US5091483A — Radiation-curable silicone elastomers and pressur…

Claim 1

Independent Claim 212 words

A composition which is curable to an elastomer comprising: a polymer or mixture of polymers of the formula ##STR27## wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different; Y are divalent linking groups which can be the same or different; m is an integer of 0 to 1; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R are divalent hydrocarbon groups which can be the same or different; R 1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and R 4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and n is an integer of about 270 to about 1000.

Claim 2

Dependent Claim 212 words

A composition which is curable to an elastomer comprising: a polymer or mixture of polymers of the formula ##STR27## wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different; Y are divalent linking groups which can be the same or different; m is an integer of 0 to 1; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R are divalent hydrocarbon groups which can be the same or different; R 1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and R 4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and n is an integer of about 270 to about 1000.

Claim 3

Dependent Claim 33 words

A composition which is curable to a pressure sensitive adhesive comprising: (a) the composition of claim 1; and (b) sufficient tackifier to endow the cured composition with adhesive tack at the use temperature.

Claim 4

Dependent Claim 12 words

The composition of claim 2 wherein said tackifier comprises silicone MQ resin.

Claim 5

Dependent Claim 30 words

The composition of claim 1 which further comprises at least one of the additives selected from the group consisting of a filler, a nonpolar solvent, and a free radical initiator.

Claim 6

Dependent Claim 31 words

The composition of claim 2 which further comprises at least one of the following additives selected from the group consisting of a free radical initiator, a filler, and a nonpolar solvent.

Claim 7

Dependent Claim 16 words

An elastomer formed from the radiation curing of the composition of claim 1 or claim 4.

Claim 8

Dependent Claim 33 words

The elastomer formed from the radiation curing of the composition of claim 4, wherein said composition further comprises at least a nonpolar solvent and wherein said composition is cured in its swollen state.

Claim 9

Dependent Claim 20 words

A pressure sensitive adhesive formed from the radiation curing of the composition of claim 2, claim 3 or claim 5.

Claim 10

Dependent Claim 33 words

The pressure sensitive adhesive formed from the radiation curing of the composition of claim 5, which further comprises at least a nonpolar solvent and wherein said composition is cured in its swollen state.

Claim 11

Dependent Claim 27 words

The composition of claim 2 or 3 which comprises about 80 to about 150 parts by weight of tackifying resin per 100 parts by weight of polymer.

Claim 12

Dependent Claim 75 words

The composition of claim 1 or claim 4 which further comprises a polymer or mixture of polymers of the formula ##STR28## wherein: p is an integer of about 35 to about 270; X, Y, m, D, R, R 1 , R 2 , R 3 , and R 4 are as defined in claim 1; including sufficient polar solvent to compatibilize the polymers; and wherein n is an integer of about 300 to about 700.

Claim 13

Dependent Claim 17 words

The composition of claim 11 wherein Ia comprises up to about 90 weight percent of the composition.

Claim 14

Dependent Claim 100 words

The composition of claim 1 or claim 4 which further comprises a silicone macromonomer or mixture of silicone macromonomers of the formula ##STR29## wherein q is an integer of 0 to 1; s is an integer of 1 to 3; r is an integer of about 35 to about 700; R 7 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, alkoxy, alkyl amino, hydroxyl, aryl, and substituted aryl; and X, Y, m, D, R, R 2 , R 3 , and R 4 are as defined in claim 1.

Claim 15

Dependent Claim 22 words

The composition of claim 13 wherein said macromonomer or mixture of macromonomers comprises up to about 90 weight percent of the composition.

Claim 16

Dependent Claim 64 words

The composition of claim 2 or claim 5 which further comprises a polymer or mixture of polymers of the formula ##STR30## wherein: p is an integer of about 35 to about 270; and X, Y, m, D, R, R 1 , R 2 , R 3 , and R 4 are as defined in claim 1; including sufficient polar solvent to compatibilize the polymers.

Claim 17

Dependent Claim 22 words

The composition of claim 15 wherein said polymer or mixture of polymers comprises up to about 80 weight percent of the composition.

Claim 18

Dependent Claim 100 words

The composition of claim 2 or claim 5 which further comprises a silicone macromonomer or mixture of silicone macromonomers of the formula ##STR31## wherein: q is an integer of 0 to 1; s is an integer of 1 to 3; r is an integer of about 35 to about 700; R 7 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, alkoxy, alkyl amino, hydroxyl, aryl, and substituted aryl; and X, Y, m, D, R, R 2 , R 3 , and R 4 are as defined in claim 1.

Claim 19

Dependent Claim 22 words

The composition of claim 17 wherein said macromonomer or mixture of macromonomers comprises up to about 80 weight percent of the composition.

Claim 20

Dependent Claim 354 words

A composition which is curable to an elastomer comprising: (a) a polymer or mixture of polymers of the formula ##STR32## wherein X are monovalent moieties having ethylenic unsaturation which can be the same or different; Y are divalent linking groups which can be the same or different; m is an integer of 0 to 1; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R are divalent hydrocarbon groups which can be the same or different; R 1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and R 4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and n is an integer of about 300 to about 700; (b) a polymer or mixture of polymers of the formula ##STR33## wherein: p is an integer of about 35 to about 270; and X, Y, m, D, R, R 1 , R 2 , R 3 , and R 4 are as defined above, including sufficient polar solvent to compatibilize the polymers; and (c) a silicone macromonomer or mixture of silicone macromonomers of the formula ##STR34## wherein: q is an integer of 0 to 1; s is an integer of 1 to 3; r is an integer of about 35 to about 700; R 7 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, alkoxy, alkyl amino, hydroxyl, aryl, and substituted aryl; and X, Y, m, D, R, R 2 , R 3 , and R 4 are as defined above.

Claim 21

Dependent Claim 354 words

A composition which is curable to an elastomer comprising: (a) a polymer or mixture of polymers of the formula ##STR32## wherein X are monovalent moieties having ethylenic unsaturation which can be the same or different; Y are divalent linking groups which can be the same or different; m is an integer of 0 to 1; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R are divalent hydrocarbon groups which can be the same or different; R 1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and R 4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and n is an integer of about 300 to about 700; (b) a polymer or mixture of polymers of the formula ##STR33## wherein: p is an integer of about 35 to about 270; and X, Y, m, D, R, R 1 , R 2 , R 3 , and R 4 are as defined above, including sufficient polar solvent to compatibilize the polymers; and (c) a silicone macromonomer or mixture of silicone macromonomers of the formula ##STR34## wherein: q is an integer of 0 to 1; s is an integer of 1 to 3; r is an integer of about 35 to about 700; R 7 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, alkoxy, alkyl amino, hydroxyl, aryl, and substituted aryl; and X, Y, m, D, R, R 2 , R 3 , and R 4 are as defined above.

Claim 22

Dependent Claim 34 words

The composition of claim 19 wherein element (a) comprises at least about 10 weight percent of the composition and elements (b) and (c) independently comprise up to about 90 weight percent of the composition.

Claim 23

Dependent Claim 46 words

The composition of claim 1, claim 2, or claim 19 wherein X comprises ##STR35## Y comprises ##STR36## m=1; D=H; R comprises --CH 2 CH 2 CH 2 --; and R 1 , R 2 , R 3 , and R 4 each comprise --CH 3 .

Claim 24

Dependent Claim 48 words

The composition of claim 1, claim 2, or claim 19 wherein X comprises CH 2 ═CH--; Y comprises ##STR37## m=1; D=H; R comprises --CH 2 CH 2 CH 2 --; and R 1 , R 2 , R 3 , and R 4 each comprise --CH 3 .

Claim 25

Dependent Claim 45 words

The composition of claim 1, claim 2, or claim 19 wherein X comprises CH 2 ═CH--; m=0; D=H; R comprises --CH 2 CH 2 CH 2 --; and R 1 , R 2 , R 3 , and R 4 each comprise --CH 3 .

Claim 26

Dependent Claim 33 words

A composition which is curable to a pressure sensitive adhesive comprising: (a) the composition of claim 19; and (b) sufficient tackifier to endow the cured composition with adhesive tack at the use temperature.

Claim 27

Dependent Claim 30 words

The composition of claim 19 which further comprises at least one of the additives selected from the group consisting of a free radical initiator, a filler, and a nonpolar solvent.

Claim 28

Dependent Claim 30 words

The composition of claim 24 which further comprises at least one of the additives selected from the group consisting of a free radical initiator, a filler, and a nonpolar solvent.

Claim 29

Dependent Claim 15 words

An elastomer formed from the radiation curing of the composition of claim 19 or 25.

Claim 30

Dependent Claim 17 words

A pressure sensitive adhesive formed from the radiation curing of the composition of claim 24 or 26.

Claim 31

Independent Claim 248 words

A method of preparing a silicone macromonomer of the formula ##STR38## wherein: q ia an integer of 0 to 1; s is an integer of 1 to 3; r is an integer of about 35 to about 700; R 7 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, alkoxy, alkyl amino, hydroxyl, aryl, and substituted aryl; X is a monovalent moiety having ethylenic unsaturation; Y is a divalent linking group; m is an integer of 0 or 1; D is a monovalent moiety selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R is a divalent hydrocarbon group; R 2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and R 4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; which comprises the step of: reacting a fluorosilane terminating agent represented by the formula ##STR39## wherein: X, Y, m, D, q, R, R 2 and s are as defined above, with a solution of living polymeric siloxanolate in a suitable non-hydroxylic solvent in order to form said silicone macromonomer.

Claim 32

Independent Claim 248 words

A method of preparing a silicone macromonomer of the formula ##STR38## wherein: q ia an integer of 0 to 1; s is an integer of 1 to 3; r is an integer of about 35 to about 700; R 7 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, alkoxy, alkyl amino, hydroxyl, aryl, and substituted aryl; X is a monovalent moiety having ethylenic unsaturation; Y is a divalent linking group; m is an integer of 0 or 1; D is a monovalent moiety selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R is a divalent hydrocarbon group; R 2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R 3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and R 4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; which comprises the step of: reacting a fluorosilane terminating agent represented by the formula ##STR39## wherein: X, Y, m, D, q, R, R 2 and s are as defined above, with a solution of living polymeric siloxanolate in a suitable non-hydroxylic solvent in order to form said silicone macromonomer.

Claim 33

Dependent Claim 12 words

The silicone macromonomer made in accordance with the method of claim 29.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1995-02-24	1995-08-26	1996-02-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1999-02-24	1999-08-26	2000-02-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2003-02-24	2003-08-26	2004-02-25	$7700.00	Window Closed / Lapsed

Radiation-curable silicone elastomers and pressure sensitive adhesives

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