# US 5,349,027 A · Modified polyolefin resin compositions

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 5,349,027 A
- Document ID: US5349027A
- Status: Granted
- Kind: A
- Application number: 07/927,530
- Filed: 1992-09-16
- Granted: 1994-09-20
- Earliest claimed: 1990-03-28
- Assignees: Mitsui Toatsu Chemicals, Inc.
- Inventors: Toru Ueki; Masaji Yoshimura; Kazuharu Kanezaki; Susumu Kishi; Takashi Satoh; Minoru Takiguchi
- Web page: https://patentgrep.com/patent/US5349027A

## CPC

- C08F 8/30: Introducing nitrogen atoms or nitrogen-containing groups
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

## Abstract

A modified polyolefin resin obtained by reacting a polyolefin resin with an epoxy group-containing acrylamide monomer represented by the following general formula I: H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar: wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group) in the presence of a free-radical initiator is herein provided. A thermoplastic resin composition comprising 5 to 95% by weight of the foregoing modified polyolefin resin and 95 to 5% by weight of another thermoplastic resin is herein provided. Further, a filler-reinforced polyolefin resin composition comprising 100 parts by weight of the foregoing modified polyolefin resin and 3 to 300 parts by weight of an inorganic or organic filler is herein provided.

## Claims

### Claim 1

A modified polyolefin resin obtained by reacting a polyolefin resin with an epoxy group-containing acrylamide monomer represented by the following general formula I:
H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar I
wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group in the presence of a free-radical initiator.

### Claim 2 (depends on 1)

The modified polyolefin resin of claim 1 wherein it comprises further containing 0 to 95% by weight of an unmodified polyolefin resin.

### Claim 3 (depends on 1)

The modified polyolefin resin of claim 1 wherein the polyolefin resin is selected from polypropylene, polyethylene, propylene-ethylene block or random copolymers, ethylene-propylene elastomer, ethylene-propylene-diene elastomer, ethylene-propylene dicyclopentadiene copolymer, ethylene-propylene ethylidene norbornene copolymer and poly(4-methyl-pentene-1).

### Claim 4 (depends on 1)

The modified polyolefin resin of claim 1 wherein the epoxy group-containing acrylamide monomer is selected from N-[4-(2,3-epoxypropoxy)-3,5-dimethylbenzy] acrylamide, N-[4-( 2,3-epoxypropoxy)-3,5-dimethylbenzyl] methacrylamide and N-[4-(2,3-epoxypropoxy)-3-methylbenzyl] acrylamide.

### Claim 5

A method for preparing a modified polyolefin resin comprising reacting a polyolefin resin with an epoxy group-containing acrylamide monomer represented by the following general formula I:
H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar (I)
wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group in the presence of a free-radical initiator in an extruder.

### Claim 6 (depends on 5)

The method of claim 5 wherein 100 parts by weight of the polyolefin resin, 0.01 to 20 parts by weight of the epoxy group-containing acrylamide monomer represented by the above general formula I and 0.005 to 5 parts by weight of the free-radical initiator are used.

### Claim 7 (depends on 5)

The method of claim 5 wherein the reaction temperature ranges from 150.degree. to 250.degree. C.

### Claim 8

A thermoplastic resin composition comprising 5 to 95% by weight of a modified polyolefin resin obtained by reacting a polyolefin resin with an epoxy group-containing acrylamide monomer represented by general formula I:
H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar (I)
wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group in the presence of a free-radical initiator and 95 to 5% by weight of another thermoplastic resin.

### Claim 9 (depends on 8)

The thermoplastic resin composition of claim 8 wherein said another thermoplastic resin is selected from polyester resins, polyphenylene sulfide resins. polycarbonate resins, polyamide resins, polyacetal resins, polyphenylene oxide resins, polyallylate resins and polysulfone resins.

### Claim 10

A filler-reinforced polyolefin resin composition comprising 100 parts by weight of a modified polyolefin resin obtained by reacting a polyolefin resin with an epoxy group-containing acrylamide monomer represented by general formula I:
H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar (I)
wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group in the presence of a free-radical initiator and 3 to 300 parts by weight of a filler.

### Claim 11

A modified polyolefin resin composition obtained by melting and kneading (A) 10 to 90% by weight of a polyolefin resin, (B) 90 to 10% by weight of another thermoplastic resin; and 0.01 to 20 parts by weight of an epoxy group-containing acrylamide monomer represented by general formula I:
H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar (I)
wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group and 0.005 to 5 parts by weight of a free-radical initiator, respectively per 100 parts by weight of the sum of the above components (A) and (B).

### Claim 12

A filler-reinforced polyolefin resin composition obtained by melting and kneading 100 parts by weight of a polyolefin resin, 0.01 to 20 parts by weight of an epoxy group-containing acrylamide monomer represented by general formula I:
H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar (I)
wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group 0.005 to 5 parts by weight of a free-radical initiator and 3 to 300 parts by weight of a filler.
