KR830007753A - Alkenyl Aromatic Olefin-Based Foams and Manufacturing Method Thereof - Google Patents

Alkenyl Aromatic Olefin-Based Foams and Manufacturing Method Thereof Download PDF

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Publication number
KR830007753A
KR830007753A KR1019810004779A KR810004779A KR830007753A KR 830007753 A KR830007753 A KR 830007753A KR 1019810004779 A KR1019810004779 A KR 1019810004779A KR 810004779 A KR810004779 A KR 810004779A KR 830007753 A KR830007753 A KR 830007753A
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South Korea
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polymer
weight
alkenyl aromatic
parts
foam
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KR1019810004779A
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Korean (ko)
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KR890000293B1 (en
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박정보
서경원
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리챠드 고든 위터맨
더 다우 케미칼 캄파니
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Priority to KR1019810004779A priority Critical patent/KR890000293B1/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

내용 없음No content

Description

알케닐방향족-올레핀계 불포화산 발포체 및 이의 제조방법Alkenylaromatic-olefinically unsaturated acid foams and preparation method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (10)

발포를 억제시킬 수 있는 충분한 압력하에서 열가소화시킨 중합체(이 중합체는 평균 분자량이 약 100,000 내지 350,000이며, 90 내지 70중량부의 알케닐 방향족 단량체와 1 내지 30중량부의 아크릴산, 메타크릴산 또는 이타콘산 또는 이들의 혼합물로 되어 있음)와 발포제(이 발포제는 상기 중합체 100중량부당 0.5 내지 20중량비율로 존재하는 나트륨, 마그네슘, 아연 또는 암모니움 카보네이트 또는 비카보네이트 또는 이들의 혼합물임)를 카보네이트 또는 비카보네이트 발포제를 분해시킬 수 있는 충분한 높은 온도와 발포를 억제할 수 있는 충분한 압력하에서 혼합시킨 후 압출시켜 밀도가 8 내지 128kg/㎥인 중합체 발포형태의 알케닐 방향족 중합체를 제조하는 방법.Thermoplasticized polymers under sufficient pressure to inhibit foaming (the polymers have an average molecular weight of about 100,000 to 350,000 and 90 to 70 parts by weight of alkenyl aromatic monomers and 1 to 30 parts by weight of acrylic acid, methacrylic acid or itaconic acid or Carbonate or bicarbonate blowing agent) and blowing agent (the blowing agent is sodium, magnesium, zinc or ammonium carbonate or bicarbonate or mixtures thereof present at a ratio of 0.5 to 20% by weight of the polymer) A method of producing an alkenyl aromatic polymer in a polymer foam form having a density of 8 to 128 kg / m 3 after mixing at a high temperature sufficient to decompose and a sufficient pressure to suppress foaming. 제1항에 있어서, 중합체 분자량이 약 150,000 내지 300,000인 상기 방법.The method of claim 1 wherein the polymer molecular weight is about 150,000 to 300,000. 제1항에 있어서, 알케닐 방향족 단량체가 스틸렌인 상기 방법.The method of claim 1 wherein the alkenyl aromatic monomer is styrene. 제1항에 있어서, 알케닐 방향족 단량체가 비닐 톨루엔인 상기 방법.The method of claim 1 wherein the alkenyl aromatic monomer is vinyl toluene. 제1항에 있어서, 산이 중합체 중량 기준으로 5 내지 20중량부로 존재하는 상기 방법.The method of claim 1 wherein the acid is present at 5 to 20 parts by weight, based on the weight of the polymer. 제1항에 있어서, 중합체가 스틸렌과 아크릴산의 중합체인 제1항의 발포체.The foam of claim 1 wherein the polymer is a polymer of styrene and acrylic acid. 제1항에 있어서, 발포제로써 중탄산 나트륨을 사용하는 상기 방법.The method of claim 1 wherein sodium bicarbonate is used as blowing agent. 제1항에 있어서, 발포체의 밀도가 16 내지 90kg/㎥이며, 평균셀 크기가 약 0.1 내지 2.5밀리미터인 상기 방법.The method of claim 1 wherein the foam has a density of 16 to 90 kg / m 3 and an average cell size of about 0.1 to 2.5 millimeters. 평균 분자량이 150,000 내지 300,000이며, 95 내지 80중량부의 스틸렌과 5 내지 20중량부의 아크릴산의 중합체로 구성된 합성수지성 열가소제를 가짐을 특징으로 하는 셀크기가 약 0.1 내지 2.5밀리미터이며, 나트륨이온을 갖는 셀로 충진된 내부분의 밀폐된 가스로 된 밀도가 16 냊 90kg/㎥ 인 스틸렌 아프릴산 중합체 발포체.A cell having an average molecular weight of 150,000 to 300,000, having a synthetic resin thermoplastic comprising a polymer of 95 to 80 parts by weight of styrene and 5 to 20 parts by weight of acrylic acid. Styrene acrylate acid foam having a density of 16 냊 90 kg / m 3 with an enclosed gas of filled interior. 제1항의 방법에 의해 제조된 알케닐 방향족 중합체 발포체.Alkenyl aromatic polymer foam produced by the method of claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810004779A 1981-12-08 1981-12-08 Alkenyl aromatic monomer-olefinically unsaturated acie foams and method for the preparation thereof KR890000293B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019810004779A KR890000293B1 (en) 1981-12-08 1981-12-08 Alkenyl aromatic monomer-olefinically unsaturated acie foams and method for the preparation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019810004779A KR890000293B1 (en) 1981-12-08 1981-12-08 Alkenyl aromatic monomer-olefinically unsaturated acie foams and method for the preparation thereof

Publications (2)

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KR830007753A true KR830007753A (en) 1983-11-07
KR890000293B1 KR890000293B1 (en) 1989-03-13

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