JPS5446252A - Polypropylene resin composition for extrusion coating - Google Patents

Polypropylene resin composition for extrusion coating

Info

Publication number
JPS5446252A
JPS5446252A JP11289177A JP11289177A JPS5446252A JP S5446252 A JPS5446252 A JP S5446252A JP 11289177 A JP11289177 A JP 11289177A JP 11289177 A JP11289177 A JP 11289177A JP S5446252 A JPS5446252 A JP S5446252A
Authority
JP
Japan
Prior art keywords
flow rate
low
resin composition
extrusion coating
amount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP11289177A
Other languages
Japanese (ja)
Other versions
JPS61374B2 (en
Inventor
Taisuke Okita
Yoshiteru Tokawa
Junichi Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP11289177A priority Critical patent/JPS5446252A/en
Publication of JPS5446252A publication Critical patent/JPS5446252A/en
Publication of JPS61374B2 publication Critical patent/JPS61374B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE: A composition capable of giving coatings having improved film bond and heat-sealing strength, and high speed processability, comprising a low-flow crystalline polypropylene as a main ingredient and a thermoplastic resin having a specific flow rate and a specific amount of an antioxidant.
CONSTITUTION: A composition obtained by incorporating a resin composition (A) 99W75wt% of a crystalline polypropylene (A) having a flow rate of 4W9.5g/10min and (B) 1W25wt% of one or more types of thermoplastic resins containing at least one type of low-density polyethylene, with an antioxidant having a flow rate (a) before extrusion of 4W9.5g/10min in such an amount as to give a flow rate (b) after extrusion coating of 6l na<b<18l na. Preferably, the amount of thermoplastic resins other than the low-density polyethylene is lower than that of the polyethylene to give a flow rate (c) of the blend in the range of 0.05b<c<0.20b.
COPYRIGHT: (C)1979,JPO&Japio
JP11289177A 1977-09-19 1977-09-19 Polypropylene resin composition for extrusion coating Granted JPS5446252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11289177A JPS5446252A (en) 1977-09-19 1977-09-19 Polypropylene resin composition for extrusion coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11289177A JPS5446252A (en) 1977-09-19 1977-09-19 Polypropylene resin composition for extrusion coating

Publications (2)

Publication Number Publication Date
JPS5446252A true JPS5446252A (en) 1979-04-12
JPS61374B2 JPS61374B2 (en) 1986-01-08

Family

ID=14598093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11289177A Granted JPS5446252A (en) 1977-09-19 1977-09-19 Polypropylene resin composition for extrusion coating

Country Status (1)

Country Link
JP (1) JPS5446252A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116738A (en) * 1980-02-20 1981-09-12 Mitsubishi Petrochem Co Ltd Polypropylene resin composition
JPS58206647A (en) * 1982-05-28 1983-12-01 Mitsubishi Petrochem Co Ltd Resin composition for extrusion molding
JPS5998822A (en) * 1982-11-12 1984-06-07 Sanyo Kokusaku Pulp Co Ltd Manufacture of support for forming polyurethane-based resin film
JPH01234447A (en) * 1988-03-14 1989-09-19 Chisso Corp Resin composition for extrusion coating

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116738A (en) * 1980-02-20 1981-09-12 Mitsubishi Petrochem Co Ltd Polypropylene resin composition
JPH0129817B2 (en) * 1980-02-20 1989-06-14 Mitsubishi Petrochemical Co
JPS58206647A (en) * 1982-05-28 1983-12-01 Mitsubishi Petrochem Co Ltd Resin composition for extrusion molding
JPH0241539B2 (en) * 1982-05-28 1990-09-18
JPS5998822A (en) * 1982-11-12 1984-06-07 Sanyo Kokusaku Pulp Co Ltd Manufacture of support for forming polyurethane-based resin film
JPS6143167B2 (en) * 1982-11-12 1986-09-26 Sanyo Kokusaku Pulp Co
JPH01234447A (en) * 1988-03-14 1989-09-19 Chisso Corp Resin composition for extrusion coating

Also Published As

Publication number Publication date
JPS61374B2 (en) 1986-01-08

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