US4472539A
Expired / Lapsed
US
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Polyolefin series composition comprising surface treatment of filler and polyolefin prior to blending of components
Assignee: Panasonic Holdings Corp
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Filing: 1982-05-20
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Granted: 1984-09-18
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Expires: 2002-05-20
Abstract
Abstract Composition is characterized in that ethylenically unsaturated group (CH2=C<) operation is performed, under the existence of dispersion agent and antioxidant, to polyolefin series composition, and at least one kind of epoxy group and amino group is filler-graft-bonded with olefin through organic peroxide.
Inventors
- 👤 Yasutomo Funakoshi
- 👤 Fumio Iwami
- 👤 Tadashi Sakairi
- 👤 Tamotsu Wakahata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:35
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08J; C08J3/00; C08J3/20; C08J3/203; C08K9/00; C08K9/04; C08K9/06; C08J2323/00; C08J2323/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958; Y10T428/2962
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
133 words
A polyolefin series composition prepared by the process comprising: (a) surface treating a polyolefin with a mixture of an organic peroxide and an organic silane series compound to produce a surface coated polyolefin, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; (b) surface treating an inorganic loading material with at least one of said organic silane compounds to produce a surface coated inorganic loading material; (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 2
Dependent Claim
133 words
A polyolefin series composition prepared by the process comprising: (a) surface treating a polyolefin with a mixture of an organic peroxide and an organic silane series compound to produce a surface coated polyolefin, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; (b) surface treating an inorganic loading material with at least one of said organic silane compounds to produce a surface coated inorganic loading material; (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 3
Dependent Claim
25 words
A polyolefin series composition as in claim 1, wherein said polyolefin is a member selected from the group consisting of ethylene polymers and propylene polymers.
Claim 4
Dependent Claim
32 words
A polyolefin composition as in claim 1, wherein said inorganic loading material is a member selected from the group consisting of calcium carbonate, barium sulfate, talc, mica, calcium silicate and glass fibers.
Claim 5
Dependent Claim
15 words
A polyolefin composition as in claim 3, wherein said inorganic loading material is calcium silicate.
Claim 6
Dependent Claim
18 words
A polyolefin composition as in claim 1, wherein said organic silane series compound is gamma-methacryloxy propyl trimethoxy silane.
Claim 7
Dependent Claim
23 words
A polyolefin composition as in claim 1, wherein said organic silane series compound is a member selected from the group consisting of: ##STR2##
Claim 8
Dependent Claim
11 words
A molded product prepared from the composition according to claim 1.
Claim 9
Dependent Claim
134 words
A polyolefin series composition prepared by the process comprising: (a) surface treating a polyolefin with an organic silane series compound to produce a surface coated polyolefin, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; (b) surface treating an inorganic loading material with a mixture of an organic peroxide and at least one of said organic silane compounds to produce a surface coated inorganic loading material; and (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 10
Dependent Claim
134 words
A polyolefin series composition prepared by the process comprising: (a) surface treating a polyolefin with an organic silane series compound to produce a surface coated polyolefin, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; (b) surface treating an inorganic loading material with a mixture of an organic peroxide and at least one of said organic silane compounds to produce a surface coated inorganic loading material; and (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 11
Dependent Claim
30 words
A polyolefin series composition as in claim 8, wherein said polyolefin is a member selected from the group consisting of ethylene polymers, propylene polymers, ethylene-propylene polymers, and ethylene-propylene block copolymers.
Claim 12
Dependent Claim
32 words
A polyolefin composition as in claim 8, wherein said inorganic loading material is a member selected from the group consisting of calcium carbonate, barium sulfate, talc, mica, calcium silicate and glass fibers.
Claim 13
Dependent Claim
15 words
A polyolefin composition as in claim 10, wherein said inorganic loading material is calcium silicate.
Claim 14
Dependent Claim
18 words
A polyolefin composition as in claim 8, wherein said organic silane series compound is gamma-methacryloxy propyl trimethoxy silane.
Claim 15
Dependent Claim
23 words
A polyolefin composition as in claim 8, wherein said organic silane series compound is a member selected from the group consisting of: ##STR3##
Claim 16
Dependent Claim
11 words
A molded product prepared from the composition according to claim 8.
Claim 17
Dependent Claim
122 words
A polyolefin series composition prepared by the process comprising: (a) surface treating a polyolefin with an organic peroxide to produce a surface coated polyolefin; (b) surface treating an organic loading material with an organic silane series compound to produce a surface coated inorganic loading material, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; and (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 18
Dependent Claim
122 words
A polyolefin series composition prepared by the process comprising: (a) surface treating a polyolefin with an organic peroxide to produce a surface coated polyolefin; (b) surface treating an organic loading material with an organic silane series compound to produce a surface coated inorganic loading material, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; and (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 19
Dependent Claim
25 words
A polyolefin series composition as in claim 15, wherein said polyolefin is a member selected from the group consisting of ethylene polymers and propylene polymers.
Claim 20
Dependent Claim
32 words
A polyolefin composition as in claim 15, wherein said inorganic loading material is a member selected from the group consisting of calcium carbonate, barium sulfate, talc, mica, calcium silicate and glass fibers.
Claim 21
Dependent Claim
15 words
A polyolefin composition as in claim 17, wherein said inorganic loading material is calcium silicate.
Claim 22
Dependent Claim
18 words
A polyolefin composition as in claim 15, wherein said organic silane series compound is gamma-methacryloxy propyl trimethoxy silane.
Claim 23
Dependent Claim
23 words
A polyolefin composition as in claim 15, wherein said organic silane series compound is a member selected from the group consisting of: ##STR4##
Claim 24
Dependent Claim
11 words
A molded product prepared from the composition according to claim 15.
Claim 25
Dependent Claim
20 words
A polyolefin series composition as in claim 1, wherein said polyolefin is an ethylene-propylene polymer or an ethylene-propylene block copolymer.
Claim 26
Dependent Claim
20 words
A polyolefin series composition as in claim 15, wherein said polyolefin is an ethylene-propylene polymer or an ethylene-propylene block copolymer.
Claim 27
Independent Claim
150 words
A method for preparing polyolefin series compositions comprising: (a) surface treating a polyolefin with at least one member selected from the group consisting of an organic peroxide and and organic silane series compound to produce a surface coated polyolefin, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; (b) surface treating an inorganic loading material with at least one member selected from the group consisting of an organic peroxide and said organic silane compounds to produce a surface coated inorganic loading material; and (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 28
Independent Claim
150 words
A method for preparing polyolefin series compositions comprising: (a) surface treating a polyolefin with at least one member selected from the group consisting of an organic peroxide and and organic silane series compound to produce a surface coated polyolefin, said organic silane series compound includes at least one functional group selected from the group consisting of a methoxy group, ethoxy group, chloro group, vinyl group, methacryloxy group, amino group, cyclic epoxy group, clidoxy group and mercapto group; (b) surface treating an inorganic loading material with at least one member selected from the group consisting of an organic peroxide and said organic silane compounds to produce a surface coated inorganic loading material; and (c) uniformly blending, with heating and bonding, said surface coated polyolefin and said surface coated inorganic loading material with a dispersion agent and an antioxidant, said inorganic loading material being blended in an amount of 15-80% by weight.
Claim 29
Dependent Claim
47 words
A method as in claim 24, wherein said polyolefin is surface coated with a mixture of an organic peroxide and at least one of said organic silane series compound and said inorganic loading material is surface coated with at least one of said organic silane series compound.
Claim 30
Dependent Claim
46 words
A method as in claim 24, wherein said polyolefin is surface coated with at least one of said silane series compound and said inorganic loading material is surface coated with a mixture of an organic peroxide and at least one of said organic silane series compound.
Claim 31
Dependent Claim
34 words
A method as in claim 24, wherein said polyolefin is surface coated with an organic peroxide and said inorganic loading material is surface coated with at least one of said organic silane series compound.
Claim 32
Dependent Claim
29 words
A method as in claim 24, wherein said organic peroxide is used in an amount of from 0.01 to 1.0% by weight based on the amount of said polyolefin.
Claim 33
Dependent Claim
28 words
A method as in claim 24, wherein said dispersion agent is a member selected from the group consisting of higher fatty acids, metallic soaps, and fatty acid amides.
Claim 34
Dependent Claim
22 words
A method as in claim 24, wherein said dispersion agent is used in an amount of from 0.05 to 3.0% by weight.
Claim 35
Dependent Claim
30 words
A method as in claim 24, wherein said antioxidant is at least one member selected from the group consisting of phenol series antioxidants, thioester series antioxidants, and phosphorous series antioxidants.
Claim 36
Dependent Claim
21 words
A method as in claim 24, wherein said antioxidant is used in an amount of from 0.1 to 3.0% by weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |