GB602665A - Improvements in the manufacture and production of porous plastic masses from polymerised vinyl compounds - Google Patents
Improvements in the manufacture and production of porous plastic masses from polymerised vinyl compoundsInfo
- Publication number
- GB602665A GB602665A GB2978145A GB2978145A GB602665A GB 602665 A GB602665 A GB 602665A GB 2978145 A GB2978145 A GB 2978145A GB 2978145 A GB2978145 A GB 2978145A GB 602665 A GB602665 A GB 602665A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aliphatic
- porous plastic
- dissolve
- copolymers
- polymers
- 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
Links
Classifications
-
- 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
- C08J9/06—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 by a chemical blowing agent
Landscapes
- Chemical & Material Sciences (AREA)
- General 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
A composition suitable for making a porous plastic mass on gelatinization is made by mixing into a dispersion of a finely-divided polyvinyl compound dispersed in a practically non-volatile plasticiser in which the compound will not dissolve or will dissolve only slowly at ordinary temperatures while avoiding heating finely-divided ammonium carbamate. Polyvinyl compounds specified are polymethyl methacrylate, polyvinylidene chloride and polymers and copolymers of vinyl chloride with vinyl acetate and vinylidene chloride. Plasticisers specified for use with polymers and copolymers of vinyl chloride are tricresyl phosphate, phthalates of aliphatic alcohols or aliphatic ether alcohols of 3-10 C atoms, dibutyl sebacate, esters of phenols or aliphatic alcohols and long chain aliphatic sulphonic acids, methyl and butyl acetyl ricinoleate which may be mixed with chlorinated paraffin wax. Castor oil and white lead may also be incorporated. Soles may be made by heating such a composition in a mould. Specifications 500,298 and 573,841 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2978145A GB602665A (en) | 1945-11-08 | 1945-11-08 | Improvements in the manufacture and production of porous plastic masses from polymerised vinyl compounds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2978145A GB602665A (en) | 1945-11-08 | 1945-11-08 | Improvements in the manufacture and production of porous plastic masses from polymerised vinyl compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
GB602665A true GB602665A (en) | 1948-06-01 |
Family
ID=10297058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2978145A Expired GB602665A (en) | 1945-11-08 | 1945-11-08 | Improvements in the manufacture and production of porous plastic masses from polymerised vinyl compounds |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB602665A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2739950A (en) * | 1951-01-12 | 1956-03-27 | Alex A Nelson | Synthetic sponges and formation thereof |
DE950327C (en) * | 1951-10-20 | 1956-10-04 | Wingfoot Corp | Foam-like masses made of plasticized polyvinyl chloride |
DE1042227B (en) * | 1953-03-18 | 1958-10-30 | Du Pont | Process for the production of foam bodies |
-
1945
- 1945-11-08 GB GB2978145A patent/GB602665A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2739950A (en) * | 1951-01-12 | 1956-03-27 | Alex A Nelson | Synthetic sponges and formation thereof |
DE950327C (en) * | 1951-10-20 | 1956-10-04 | Wingfoot Corp | Foam-like masses made of plasticized polyvinyl chloride |
DE1042227B (en) * | 1953-03-18 | 1958-10-30 | Du Pont | Process for the production of foam bodies |
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