US4563514A
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Curable polysilarylene-polysiloxane copolymers
Assignee: General Electric Co
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Filing: 1985-03-26
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Granted: 1986-01-07
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Expires: 2005-03-26
Abstract
Abstract There is provided polysilarylene-polysiloxane copolymers comprising: (a) at least one unit of the formula ##STR1## (b) at least one unit of the formula ##STR2## and (c) at least one unit of the formula ##STR3## There are also provided curable compositions comprising the instant polymers and a cure initiator, articles having the instant compositions cured to a substrate, and methods for making the aforesaid copolymers, curable compositions and articles.
Inventors
- 👤 Wan-Li Liu
- 👤 Jonathan D. Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:54
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 87
Claim 1
Independent Claim
73 words
A polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR25## (b) at least one unit of the formula ##STR26## and (c) at least one unit of the formula ##STR27## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive.
Claim 2
Dependent Claim
73 words
A polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR25## (b) at least one unit of the formula ##STR26## and (c) at least one unit of the formula ##STR27## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive.
Claim 3
Dependent Claim
13 words
A copolymer as in claim 1, wherein said copolymer is a block copolymer.
Claim 4
Dependent Claim
15 words
A copolymer as in claim 1, wherein R is methyl, phenyl or a mixture thereof.
Claim 5
Dependent Claim
28 words
A copolymer as in claim 1 or 3, wherein R 1 is selected from the group consisting of p-phenylene, 4,4'-biphenylene, 4,4' diphenylene ether, 4,4-dimethylene benzene, and 4,4'-dimethylenediphenyl ether.
Claim 6
Dependent Claim
16 words
A copolymer as in claim 4, wherein the (c) units are acryloxypropylmethylsiloxy units or methacryloxypropylmethylsiloxy units.
Claim 7
Dependent Claim
71 words
A copolymer as in claim 1, wherein said copolymer has the general formula ##STR28## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, inclusive, n has an average value greater than 5; m, x, y and z are each positive integers.
Claim 8
Dependent Claim
19 words
A copolymer as in claim 6, wherein the molar ratio of x:y is from about 10:90 to about 90:10.
Claim 9
Dependent Claim
19 words
A copolymer as in claim 6, wherein the molar ratio of x:y is from about 30:70 to about 70:30.
Claim 10
Dependent Claim
33 words
A copolymer as in claim 7 or 8, wherein the number of acryloxy-functional siloxy units is from about 0.1 to about 20 mole percent of the total number of x and y units.
Claim 11
Dependent Claim
27 words
A copolymer as in claim 9, wherein n has an average value from 10 to 100 and m is an integer equal to or greater than 5.
Claim 12
Independent Claim
64 words
A method for making polysilarylene-polysiloxane copolymers, comprising: I. condensing monomers having the general formulas: ##STR29## where R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, n is a positive integer, and X is a hydrolyzable radical.
Claim 13
Independent Claim
64 words
A method for making polysilarylene-polysiloxane copolymers, comprising: I. condensing monomers having the general formulas: ##STR29## where R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, n is a positive integer, and X is a hydrolyzable radical.
Claim 14
Dependent Claim
25 words
A method as in claim 11, wherein the monomers are condensed in a predetermined order in predetermined amounts so as to provide a block copolymer.
Claim 15
Dependent Claim
15 words
A method as in claim 11, wherein R is methyl, phenyl or a mixture thereof.
Claim 16
Dependent Claim
27 words
A method as in claim 11 or 13, wherein R 1 is selected from the group consisting of p-phenylene, 4,4'-bisphenylene, 4,4'-diphenylene ether, 4,4'-dimethylene benzene, and 4,4'-dimethylenediphenyl ether.
Claim 17
Dependent Claim
42 words
A method as in claim 14, wherein the monomers of (c) are selected from compounds having the general formula ##STR30## where R is an independently selected organic radical, a is an integer from 1 to 12, and X is a hydrolyzable radical.
Claim 18
Dependent Claim
10 words
A method as in claim 15, wherein a equals 3.
Claim 19
Dependent Claim
25 words
A method as in claim 11, wherein the molar ratio of monomers of (a) to monomers of (b) is from about 10:90 to about 90:10.
Claim 20
Dependent Claim
25 words
A method as in claim 17, wherein the molar ratio of monomers of (a) to monomers of (b) is from about 30:70 to about 70:30.
Claim 21
Dependent Claim
32 words
A method as in claim 17 or 18, wherein the amount of monomer (c) is from about 0.1 to about 20 mole percent of the number of moles of (a) and (b).
Claim 22
Dependent Claim
15 words
A method as in claim 11, wherein the condensation is effected in a hydrocarbon solvent.
Claim 23
Dependent Claim
21 words
A method as in claim 20, wherein the hydrocarbon solvent is selected from the group consisting of benzene, toluene and xylene.
Claim 24
Dependent Claim
92 words
A curable composition, comprising: I. a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR31## (b) at least one unit of the formula ##STR32## and (c) at least one unit of the formula ##STR33## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and II. an amount of cure initiator effective for promoting crosslinking of said copolymer.
Claim 25
Dependent Claim
92 words
A curable composition, comprising: I. a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR31## (b) at least one unit of the formula ##STR32## and (c) at least one unit of the formula ##STR33## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and II. an amount of cure initiator effective for promoting crosslinking of said copolymer.
Claim 26
Dependent Claim
13 words
A composition as in claim 22, wherein said copolymer is a block copolymer.
Claim 27
Dependent Claim
15 words
A composition as in claim 22, wherein R is methyl, phenyl, or a mixture thereof.
Claim 28
Dependent Claim
29 words
A composition as in claim 22 or 24, wherein R 1 is selected from the group consisting of p-phenylene, 4,4'-biphenylene, 4,4' diphenylene ether, 4,4' dimethylene benzene, and 4,4'-dimethylenediphenyl ether.
Claim 29
Dependent Claim
16 words
A composition as in claim 25, wherein the (c) units are acryloxypropylmethylsiloxy units or methacryloxypropylmethylsiloxy units.
Claim 30
Dependent Claim
71 words
A composition as in claim 22, wherein the copolymer has the general formula ##STR34## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, inclusive, n has an average value greater than 5; m, x, y and z are each positive integers.
Claim 31
Dependent Claim
19 words
A composition as in claim 27, wherein the molar ratio of x:y is from about 10:90 to about 90:10.
Claim 32
Dependent Claim
19 words
A composition as in claim 27, wherein the molar ratio of x:y is from about 30:70 to about 70:30.
Claim 33
Dependent Claim
35 words
A composition as in claim 28 or 29, wherein the number of moles of acryloxy-functional siloxy units is from about 0.1 to about 20 mole percent of the total number of x and y units.
Claim 34
Dependent Claim
27 words
A composition as in claim 30, wherein n has an average value from 10 to 100 and m is an integer equal to or greater than 5.
Claim 35
Dependent Claim
13 words
A composition as in claim 22, wherein the cure initiator is a photoinitiator.
Claim 36
Dependent Claim
15 words
A composition as in claim 22, wherein the cure initiator is a heat cure initiator.
Claim 37
Dependent Claim
16 words
A composition as in claim 22, wherein the cure initiator is a room temperature cure initiator.
Claim 38
Dependent Claim
16 words
A composition as in claim 32, wherein the photoinitiator is t-butylperbenzoate, diethoxyacetophenone or a mixture thereof.
Claim 39
Dependent Claim
14 words
A composition as in claim 33, wherein the heat cure initiator is a peroxide.
Claim 40
Dependent Claim
15 words
A composition as in claim 34, wherein the room temperature cure initiator is Fenton's reagent.
Claim 41
Independent Claim
97 words
A method for making a curable composition, comprising mixing: I. a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR35## (b) at least one unit of the formula ##STR36## and (c) at least one unit of the formula ##STR37## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and II. an amount of cure initiator effective for promoting crosslinking of said copolymer.
Claim 42
Independent Claim
97 words
A method for making a curable composition, comprising mixing: I. a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR35## (b) at least one unit of the formula ##STR36## and (c) at least one unit of the formula ##STR37## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and II. an amount of cure initiator effective for promoting crosslinking of said copolymer.
Claim 43
Dependent Claim
13 words
A method as in claim 38, wherein said copolymer is a block copolymer.
Claim 44
Dependent Claim
15 words
A method as in claim 38, wherein R is methyl, phenyl or a mixture thereof.
Claim 45
Dependent Claim
29 words
A method as in claim 38 or 40, wherein R 1 is selected from the group consisting of p-phenylene, 4,4-biphenylene, 4,4' diphenylene ether, 4,4' dimethylene benzene, and 4,4'-dimethylenediphenyl ether.
Claim 46
Dependent Claim
16 words
A method as in claim 41, wherein the (c) units are acryloxypropylmethylsiloxy units or methacryloxypropylmethylsiloxy units.
Claim 47
Dependent Claim
71 words
A method as in claim 38, wherein the copolymer has the general formula ##STR38## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, inclusive, n has an average value greater than 5; m, x, y and z are each positive integers.
Claim 48
Dependent Claim
19 words
A method as in claim 43, wherein the molar ratio of x:y is from about 10:90 to about 90:10.
Claim 49
Dependent Claim
19 words
A method as in claim 43, wherein the molar ratio of x:y is from about 30:70 to about 70:30.
Claim 50
Dependent Claim
35 words
A method as in claim 44 or 45, wherein the number of moles of acryloxy-functional siloxy units in from about 0.1 to about 20 mole percent of the total number of x and y units.
Claim 51
Dependent Claim
27 words
A method as in claim 46, wherein n has an average value from 10 to 100 and m is an integer equal to or greater than 5.
Claim 52
Dependent Claim
13 words
A method as in claim 38, wherein the cure initiator is a photoinitiator.
Claim 53
Dependent Claim
15 words
A method as in claim 38, wherein the cure initiator is a heat cure initiator.
Claim 54
Dependent Claim
16 words
A method as in claim 38, wherein the cure initiator is a room temperature cure initiator.
Claim 55
Dependent Claim
16 words
A method as in claim 48, wherein the photoinitiator is t-butylperbenzoate, diethyoxyacetophenone or a mixture thereof.
Claim 56
Dependent Claim
14 words
A method as in claim 49, wherein the heat cure initiator is a peroxide.
Claim 57
Dependent Claim
15 words
A method as in claim 50, wherein the room temperature cure initiator is Fenton's reagent.
Claim 58
Dependent Claim
111 words
An article of manufacture comprising a substrate having disposed on at least one surface thereof a cured coating made from a composition comprising: I. a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR39## (b) at least one unit of the formula ##STR40## and (c) at least one unit of the formula ##STR41## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and II. an amount of cure initiator effective for promoting crosslinking of said copolymer.
Claim 59
Dependent Claim
111 words
An article of manufacture comprising a substrate having disposed on at least one surface thereof a cured coating made from a composition comprising: I. a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR39## (b) at least one unit of the formula ##STR40## and (c) at least one unit of the formula ##STR41## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and II. an amount of cure initiator effective for promoting crosslinking of said copolymer.
Claim 60
Dependent Claim
13 words
An article as in claim 54, wherein said copolymer is a block copolymer.
Claim 61
Dependent Claim
15 words
An article as in claim 54, wherein R is methyl, phenyl or a mixture thereof.
Claim 62
Dependent Claim
29 words
An article as in claim 54 or 56 wherein R 1 is selected from the group consisting of p-phenylene, 4,4-biphenylene, 4,4' diphenylene ether, 4,4' dimethylene benzene, and 4,4'-dimethylenediphenyl ether.
Claim 63
Dependent Claim
16 words
An article as in claim 57, wherein the (c) units are acryloxypropylmethylsiloxy units or methacryloxypropylmethylsiloxy units.
Claim 64
Dependent Claim
71 words
An article as in claim 54, wherein the copolymer has the general formula ##STR42## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, inclusive, n has an average value greater than 5; m, x, y and z are each positive integers.
Claim 65
Dependent Claim
19 words
An article as in claim 59, wherein the molar ratio of x:y is from about 10:90 to about 90:10.
Claim 66
Dependent Claim
19 words
An article as in claim 59, wherein the molar ratio of x:y is from about 30:70 to about 70:30.
Claim 67
Dependent Claim
35 words
An article as in claim 60 or 61, wherein the number of moles of acryloxy-functional siloxy units is from about 0.1 to about 20 mole percent of the total number of x and y units.
Claim 68
Dependent Claim
27 words
An article as in claim 62, wherein n has an average value from 10 to 100 and m is an integer equal to or greater than 5.
Claim 69
Dependent Claim
13 words
An article as in claim 54, wherein the cure initiator is a photoinitiator.
Claim 70
Dependent Claim
15 words
An article as in claim 54, wherein the cure initiator is a heat cure initiator.
Claim 71
Dependent Claim
16 words
An article as in claim 54, wherein the cure initiator is a room temperature cure initiator.
Claim 72
Dependent Claim
16 words
An article as in claim 54, wherein the substrate is an electronic component or electronic device.
Claim 73
Independent Claim
114 words
A method for making an article of manufacture, comprising: I. applying to a substrate a curable composition comprising: (A) a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR43## (b) at least one unit of the formula ##STR44## and (c) at least one unit of the formula ##STR45## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and (B) an amount of cure initiator effective for promoting crosslinking of said copolymer; and II. curing said composition to said substrate.
Claim 74
Independent Claim
114 words
A method for making an article of manufacture, comprising: I. applying to a substrate a curable composition comprising: (A) a polysilarylene-polysiloxane copolymer, comprising: (a) at least one unit of the formula ##STR43## (b) at least one unit of the formula ##STR44## and (c) at least one unit of the formula ##STR45## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen, and substituted and unsubstituted lower alkyl radicals, and a is an integer from 1 to 12, inclusive; and (B) an amount of cure initiator effective for promoting crosslinking of said copolymer; and II. curing said composition to said substrate.
Claim 75
Dependent Claim
13 words
A method as in claim 68, wherein said copolymer is a block copolymer.
Claim 76
Dependent Claim
15 words
A method as in claim 68, wherein R is methyl, phenyl or a mixture thereof.
Claim 77
Dependent Claim
28 words
A method as in claim 68 or 70, wherein R 1 is selected from the group consisting of p-phenylene, 4,4'-biphenylene, 4,4'-diphenylene ether, 4,4' dimethylene benzene and 4,4'-dimethylenediphenyl ether.
Claim 78
Dependent Claim
16 words
A method as in claim 71, wherein the (c) units are acryloxypropylmethylsiloxy units or methacryloxypropylmethylsiloxy units.
Claim 79
Dependent Claim
71 words
A method as in claim 68, wherein the copolymer has the general formula ##STR46## where each R is an independently selected organic radical, R 1 is a divalent arylene radical, each R 2 is independently selected from hydrogen and substituted and unsubstituted lower alkyl radicals, a is an integer from 1 to 12, inclusive, n has an average value greater than 5; m, x, y and z are each positive integers.
Claim 80
Dependent Claim
19 words
A method as in claim 73, wherein the molar ratio of x:y is from about 10:90 to about 90:10.
Claim 81
Dependent Claim
19 words
A method as in claim 73, wherein the molar ratio of x:y is from about 30:70 to about 70:30.
Claim 82
Dependent Claim
34 words
A method as in claim 74 or 75, wherein the number of moles of acryloxy-functional siloxy units is from about 0.1 to about 20 mole percent of the number of x and y units.
Claim 83
Dependent Claim
27 words
A method as in claim 76, wherein n has an average value from 10 to 100 and m is an integer equal to or greater than 5.
Claim 84
Dependent Claim
13 words
A method as in claim 68, wherein the cure initiator is a photoinitiator.
Claim 85
Dependent Claim
15 words
A method as in claim 68, wherein the cure initiator is a heat cure initiator.
Claim 86
Dependent Claim
16 words
A method as in claim 68, wherein the cure initiator is a room temperature cure initiator.
Claim 87
Dependent Claim
16 words
A method as in claim 54, wherein the substrate is an electronic component or electronic device.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-06 | 1989-07-08 | 1990-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-06 | 1993-07-08 | 1994-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-06 | 1997-07-08 | 1998-01-07 | $7700.00 | Window Closed / Lapsed |