ZA727949B - Porous plastics materials - Google Patents
Porous plastics materialsInfo
- Publication number
- ZA727949B ZA727949B ZA727949A ZA727949A ZA727949B ZA 727949 B ZA727949 B ZA 727949B ZA 727949 A ZA727949 A ZA 727949A ZA 727949 A ZA727949 A ZA 727949A ZA 727949 B ZA727949 B ZA 727949B
- Authority
- ZA
- South Africa
- Prior art keywords
- plastics materials
- porous plastics
- porous
- materials
- plastics
- Prior art date
Links
- 239000000463 material Substances 0.000 title 1
- 229920003023 plastic Polymers 0.000 title 1
- 239000004033 plastic Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
-
- 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
-
- 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
- C08J9/10—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 developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5443271A GB1393680A (en) | 1971-11-23 | 1971-11-23 | Porous plastics materials |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA727949B true ZA727949B (en) | 1973-07-25 |
Family
ID=10470982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA727949A ZA727949B (en) | 1971-11-23 | 1972-11-09 | Porous plastics materials |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4860155A (en) |
AU (1) | AU468292B2 (en) |
CA (1) | CA1023116A (en) |
DE (1) | DE2256036C3 (en) |
FR (1) | FR2160973B1 (en) |
GB (1) | GB1393680A (en) |
IL (1) | IL40794A (en) |
IT (1) | IT975828B (en) |
NL (1) | NL7215897A (en) |
ZA (1) | ZA727949B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE21649T1 (en) * | 1981-10-22 | 1986-09-15 | Ici Plc | METHOD OF MAKING A PVC IRRIGATION PIPE. |
GB2131341A (en) * | 1982-10-23 | 1984-06-20 | Skf Kugellagerfabriken Gmbh | Plastics components of or for bearings |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB749733A (en) * | 1953-12-15 | 1956-05-30 | Harold Newby | Improvements in the production of cellular bodies from polyvinyl chloride |
GB1074466A (en) * | 1965-07-07 | 1967-07-05 | Ici Ltd | Expanded plastic materials |
GB1219803A (en) * | 1967-06-03 | 1971-01-20 | Toray Industries | Cellular foamed products prepared from polymers of vinyl chloride and process for their preparation |
SE332072B (en) * | 1968-04-22 | 1971-01-25 | Kema Nord Ab |
-
1971
- 1971-11-23 GB GB5443271A patent/GB1393680A/en not_active Expired
-
1972
- 1972-11-08 CA CA155,962A patent/CA1023116A/en not_active Expired
- 1972-11-09 ZA ZA727949A patent/ZA727949B/en unknown
- 1972-11-10 IL IL40794A patent/IL40794A/en unknown
- 1972-11-14 AU AU48837/72A patent/AU468292B2/en not_active Expired
- 1972-11-15 DE DE2256036A patent/DE2256036C3/en not_active Expired
- 1972-11-22 IT IT70680/72A patent/IT975828B/en active
- 1972-11-22 FR FR7241526A patent/FR2160973B1/fr not_active Expired
- 1972-11-23 NL NL7215897A patent/NL7215897A/xx not_active Application Discontinuation
- 1972-11-24 JP JP47117868A patent/JPS4860155A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IL40794A0 (en) | 1973-01-30 |
CA1023116A (en) | 1977-12-27 |
AU4883772A (en) | 1974-05-16 |
JPS4860155A (en) | 1973-08-23 |
NL7215897A (en) | 1973-05-25 |
GB1393680A (en) | 1975-05-07 |
AU468292B2 (en) | 1976-01-08 |
DE2256036C3 (en) | 1982-01-21 |
FR2160973B1 (en) | 1976-06-04 |
DE2256036B2 (en) | 1981-05-21 |
FR2160973A1 (en) | 1973-07-06 |
IT975828B (en) | 1974-08-10 |
DE2256036A1 (en) | 1973-05-24 |
IL40794A (en) | 1975-10-15 |
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