GB2025429B - Process for reducing the monomer content in expandable beads of thermoplastic materials - Google Patents

Process for reducing the monomer content in expandable beads of thermoplastic materials

Info

Publication number
GB2025429B
GB2025429B GB7920135A GB7920135A GB2025429B GB 2025429 B GB2025429 B GB 2025429B GB 7920135 A GB7920135 A GB 7920135A GB 7920135 A GB7920135 A GB 7920135A GB 2025429 B GB2025429 B GB 2025429B
Authority
GB
United Kingdom
Prior art keywords
reducing
thermoplastic materials
monomer content
expandable beads
expandable
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.)
Expired
Application number
GB7920135A
Other languages
English (en)
Other versions
GB2025429A (en
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.)
Kemanord AB
Original Assignee
Kemanord AB
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 Kemanord AB filed Critical Kemanord AB
Publication of GB2025429A publication Critical patent/GB2025429A/en
Application granted granted Critical
Publication of GB2025429B publication Critical patent/GB2025429B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
GB7920135A 1978-06-08 1979-06-08 Process for reducing the monomer content in expandable beads of thermoplastic materials Expired GB2025429B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7806665A SE429238B (sv) 1978-06-08 1978-06-08 Sett att reducera monomerhalten i expanderbara termoplastperlor

Publications (2)

Publication Number Publication Date
GB2025429A GB2025429A (en) 1980-01-23
GB2025429B true GB2025429B (en) 1982-12-01

Family

ID=20335152

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7920135A Expired GB2025429B (en) 1978-06-08 1979-06-08 Process for reducing the monomer content in expandable beads of thermoplastic materials

Country Status (15)

Country Link
JP (1) JPS5835618B2 (de)
AT (1) AT379162B (de)
AU (1) AU512761B2 (de)
BE (1) BE876836A (de)
CA (1) CA1105650A (de)
CH (1) CH642384A5 (de)
DE (1) DE2923310B2 (de)
DK (1) DK238379A (de)
FI (1) FI65793C (de)
FR (1) FR2428057A1 (de)
GB (1) GB2025429B (de)
IT (1) IT1116551B (de)
NL (1) NL177497C (de)
NO (1) NO151663C (de)
SE (1) SE429238B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550003A (en) * 1983-12-13 1985-10-29 Asahi Kasei Kogyo Kabushiki Kaisha Vinylidene chloride type resin expandable particles, foam particles, in-mold foam molding by use thereof and process for producing them
KR102418722B1 (ko) 2014-11-26 2022-07-07 마쓰모토유시세이야쿠 가부시키가이샤 열팽창성 미소구 및 그 용도
CN109456506A (zh) * 2018-11-07 2019-03-12 西能化工科技(上海)有限公司 低残余单体含量的热膨胀性微球及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160184B (de) * 1961-08-22 1963-12-27 Oldrich Marek Verfahren zur Herstellung von verschaeumbaren thermoplastischen Polymeren
US3425966A (en) * 1965-03-01 1969-02-04 Dow Chemical Co Three stage suspension polymerization process for vinyl aryl monomers
FR1480502A (fr) * 1965-05-13 1967-05-12 Foster Grant Co Inc Procédé de préparation de particules plastiques dilatables
DE2511315A1 (de) * 1975-03-19 1976-09-23 Sealed Air Corp Verfahren zur herstellung von aufschaeumbaren styrolpolymerstueckchen
DE2734607A1 (de) * 1977-08-01 1979-02-15 Basf Ag Verfahren zur herstellung von kugelfoermigen, expandierbaren styrolpolymerisaten

Also Published As

Publication number Publication date
CA1105650A (en) 1981-07-21
NO151663B (no) 1985-02-04
SE7806665L (sv) 1979-12-09
NL7904447A (nl) 1979-12-11
DE2923310B2 (de) 1980-12-11
AU4720079A (en) 1979-12-13
SE429238B (sv) 1983-08-22
AT379162B (de) 1985-11-25
ATA386279A (de) 1985-04-15
AU512761B2 (en) 1980-10-23
GB2025429A (en) 1980-01-23
DE2923310A1 (de) 1979-12-13
JPS54163966A (en) 1979-12-27
NL177497C (nl) 1985-10-01
BE876836A (fr) 1979-12-07
NL177497B (nl) 1985-05-01
FR2428057B1 (de) 1984-09-14
NO151663C (no) 1985-05-15
FR2428057A1 (fr) 1980-01-04
CH642384A5 (de) 1984-04-13
JPS5835618B2 (ja) 1983-08-03
FI65793C (fi) 1984-07-10
FI65793B (fi) 1984-03-30
IT1116551B (it) 1986-02-10
DK238379A (da) 1979-12-09
FI781847A (fi) 1979-12-09
IT7949329A0 (it) 1979-06-06
NO791908L (no) 1979-12-11

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990607