Patent CA964559A successfully refreshed from Google Patents.
Patent EP0029566A1 successfully refreshed from Google Patents.
EP0029566A1
Expired / Lapsed
EP
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Process for the production of a polyamide base resin composition
Assignee: Mitsubishi Chemical Corp
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Filing: 1980-11-17
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Granted: —
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Expires: 2000-11-17
Abstract
Abstract A polyamide based resin composition is prepared mixing a resin composition with a urea compound of the formula: R 2 -NHCONH-R 1 -NHCONH-R 3 wherein R' is an aromatic hydrocarbon group and R 2 and R 3 are both aliphatic groups of 8 to 32 carbon atoms, said resin composition being prepared by melt mixing 99 to 40 parts by weight of a polyamide resin and 1 to 60 parts by weight of a modified ethylene copolymer prepared by graft copolymerizing a copolymer of ethylene and an a-olefin of at least three carbon atoms with an a, (β-unsaturated carboxylic acid orderivativethereof.
Inventors
- 👤 Zasuhiro Ohmura
- 👤 Seiichiro Maruyama
- 👤 Hiroyuku Kawasaki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 14:22
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/06; C08L77/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
120 words
1) A method for the production of a polyamide resin composition by melt mixing a polyamide resin and a modified ethylene copolymer prepared by copolymerising a copolymer of ethylene and an alpha-olefin of at Teast three times carbon atoms with an alpha beta-unsaturated carboxylic acid or a derivative thereof characterised in that there is melt mixed 99 to 40 parts by weight polyamide resin and 1 to 60 parts by weight of said ethylene copolymer and there is then blended with said resin mix a urea compound of the formula R 2 -NHCONH-R 1 -NHCONH-R 3 wherein R 1 is an aromatic hydrocarbon group and R 2 and R 3 are both aliphatic groups of 8 to 32 carbon atoms.
Claim 2
Dependent Claim
120 words
1) A method for the production of a polyamide resin composition by melt mixing a polyamide resin and a modified ethylene copolymer prepared by copolymerising a copolymer of ethylene and an alpha-olefin of at Teast three times carbon atoms with an alpha beta-unsaturated carboxylic acid or a derivative thereof characterised in that there is melt mixed 99 to 40 parts by weight polyamide resin and 1 to 60 parts by weight of said ethylene copolymer and there is then blended with said resin mix a urea compound of the formula R 2 -NHCONH-R 1 -NHCONH-R 3 wherein R 1 is an aromatic hydrocarbon group and R 2 and R 3 are both aliphatic groups of 8 to 32 carbon atoms.
Claim 3
Dependent Claim
31 words
2) The process of claim 1, wherein the amount of said urea compound ranges from 0.005 to 5 parts by weight based on 100 parts by weight of said resin mix.
Claim 4
Dependent Claim
40 words
3) The process either of claim 1 or 2 wherein said co-polymer of ethylene and an α -olefin of at least three carbon atoms is prepared by copolymerizing 50-95 mole % of ethylene with 50-5 mole % of the α-olefin.
Claim 5
Dependent Claim
15 words
4) The process of anone of claims 1 to 3 wherein said α-olefin is propylene.
Claim 6
Dependent Claim
16 words
5) The process of any one of claims 1 to 3 wherein said α-olefin is butene-1.
Claim 7
Dependent Claim
43 words
6) The process of any one of claims 1 to 5 wherein 0.05 to 1.5% by weight of said α, β-unsaturated carboxylic acid or derivative thereof based on the weight of said copolymer of ethylene and an α-olefin is graft-polymerized with said copolymer.
Claim 8
Dependent Claim
24 words
7) The process of any one of claims 1 to 6 wherein said α, β -unsaturated carboxylic acid or derivative thereof is maleic anhydride.
Claim 9
Dependent Claim
18 words
8) The process of any one of claims 1 to 7 wherein said urea compound is 1,4-bis-(3-octadecylureidomethyl) benzene.
Claim 10
Dependent Claim
17 words
The process of any one of claims 1 to 7 wherein said urea compound is 1,4-bis-(3-octadecylureido) benzene.
Claim 11
Dependent Claim
17 words
The process of any one of claims 1 to 9 wherein the polyamide resin is nylon 6.
Claim 12
Dependent Claim
17 words
The process of any one of claims 1 to 9 wherein the polyamide resin is nylone 6.6.
Claim 13
Dependent Claim
87 words
A polyamide resin composition comprising a melt mixed nolyamide resin and a modified ethylene co- polymer prepared by copolymerising a copolymer of ethylene and an alpha-olefin of at least 3 carbon atoms with an alpha, beta-unsaturated carboxylic acid or a derivative thereof characterized in that the melt mixed resins are blended with a urea compound of the formula R 2 -NHCONH-R 1 -NHCONH-R 3 wherein R' is an aromatic hydrocarbon group and R 2 and R 3 are both aliphatic groups of 8 to 32 carbon atoms.
Claim 14
Dependent Claim
87 words
A polyamide resin composition comprising a melt mixed nolyamide resin and a modified ethylene co- polymer prepared by copolymerising a copolymer of ethylene and an alpha-olefin of at least 3 carbon atoms with an alpha, beta-unsaturated carboxylic acid or a derivative thereof characterized in that the melt mixed resins are blended with a urea compound of the formula R 2 -NHCONH-R 1 -NHCONH-R 3 wherein R' is an aromatic hydrocarbon group and R 2 and R 3 are both aliphatic groups of 8 to 32 carbon atoms.
References Cited (Backward Citations)
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