DK598485A - STYROL / BUTADIA-PODECOPOLYMERIZED LATEX AND IN THE HEAT VULCANIZABLE LABEL FOR THE PREPARATION OF LATEX FOAM CONTAINING THIS AS AMPLIFIER LATEX - Google Patents
STYROL / BUTADIA-PODECOPOLYMERIZED LATEX AND IN THE HEAT VULCANIZABLE LABEL FOR THE PREPARATION OF LATEX FOAM CONTAINING THIS AS AMPLIFIER LATEX Download PDFInfo
- Publication number
- DK598485A DK598485A DK598485A DK598485A DK598485A DK 598485 A DK598485 A DK 598485A DK 598485 A DK598485 A DK 598485A DK 598485 A DK598485 A DK 598485A DK 598485 A DK598485 A DK 598485A
- Authority
- DK
- Denmark
- Prior art keywords
- weight
- latex
- polymerization
- graft copolymer
- grafted
- Prior art date
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
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
-
- 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
- C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
- C08F257/02—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00 on to polymers of styrene or alkyl-substituted styrenes
Landscapes
- Chemical & Material Sciences (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)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Abstract
1. A styrene/butadiene graft copolymer latex obtained by emulsion polymerization in the presence of 1 to 6% by weight of a conventional fat soap and/or resin soap as emulsifier and >= 0.3% by weight of a conventional molecular weight regulator for the polymer, each percentage being based on the total monomers, and characterized by the following features : a) the emulsion polymerization is carried out by a semi-continuous emulsion-feed process ; b) the graft copolymer is composed of 35 to 65% by weight of the graft base (A) which in turn is composed of the graft base (A1) and the grafted-on component (A1), and 35 to 65% by weight of component (B) grafted on in the final step ; c) the graft base (A) is obtained in two polymerization steps ; in the first step, a polystyrene nucleating latex is obtained whose solid (A1) is 1 to 20% by weight, based on the graft copolymer ; the component (A2) of the graft base (A), which is grafted on in the second step, is composed of 86 to 95% by weight of repeating units which are obtained by polymerization of styrene, and 5 to 14% by weight of repeating units which are obtained by polymerization of 1,3-butadiene ; feeding of the emulsifier during grafting being accompanied by intensive stirring in order to avoid the formation of new particles ; d) the component (B) of the graft copolymer, which is grafted on in the final step, is composed of 62 to 70% by weight of repeating units which are obtained by polymerization of styrene, and 30 to 38% by weight of repeating units which are obtained by polymerization of 1,3-butadiene ; feeding of the emulsifier during grafting being accompanied by intensive stirring in order to avoid the formation of new particles : e) the parameters in the preparation of the graft copolymer latex are selected such that the latex particles have an average diameter, determined by surface titration, of 120 to 300 nm.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3447585 | 1984-12-28 | ||
DE19843447585 DE3447585A1 (en) | 1984-12-28 | 1984-12-28 | STYROL / BUTADIENE-GROPFCOPOLYMERISATE LATEX AND THIS CONTAINING AS A REINFORCING LATEX, WHICH CAN BE VULCANIZED IN THE HEAT FOR THE PRODUCTION OF LATEX FOAM |
Publications (3)
Publication Number | Publication Date |
---|---|
DK598485D0 DK598485D0 (en) | 1985-12-20 |
DK598485A true DK598485A (en) | 1986-06-29 |
DK168446B1 DK168446B1 (en) | 1994-03-28 |
Family
ID=6254000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK598485A DK168446B1 (en) | 1984-12-28 | 1985-12-20 | Styrene / butadiene graft copolymer latex |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0187905B1 (en) |
AT (1) | ATE54321T1 (en) |
CA (1) | CA1266934A (en) |
DE (2) | DE3447585A1 (en) |
DK (1) | DK168446B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10063160A1 (en) | 2000-12-18 | 2002-06-20 | Basf Ag | Aqueous polymer dispersion, used for production of latex foam and foam articles e.g. carpet backing, contains styrene-butadiene rubber particles and reinforcing polymer with hard and soft phases based on the same monomers |
US20060052513A1 (en) | 2004-09-09 | 2006-03-09 | Soren Butz | Polymer latex suitable for the preparation of dip-molded articles |
US8158691B2 (en) | 2005-04-04 | 2012-04-17 | Polymer Latex Gmbh & Co. Kg | Aqueous reinforced rubber dispersions and their use for making latex foams |
US8222362B2 (en) | 2006-08-10 | 2012-07-17 | Polymerlatex Gmbh | Latex with reduced odor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056364B (en) * | 1956-06-09 | 1959-04-30 | Huels Chemische Werke Ag | Process for the production of articles from foam rubber |
US3917749A (en) * | 1973-12-14 | 1975-11-04 | Goodyear Tire & Rubber | Resinous butadiene/styrene reinforcing copolymers |
DE2607220C3 (en) * | 1976-02-23 | 1980-08-14 | Chemische Werke Huels Ag, 4370 Marl | Process for the preparation of aqueous copolymer dispersions |
US4307134A (en) * | 1980-12-22 | 1981-12-22 | Atlantic Richfield Company | Process for producing plasticized elastomer-styrene coated beads |
US4333969A (en) * | 1980-12-23 | 1982-06-08 | Atlantic Richfield Company | Process for producing styrenic polymer beads of preferred bead size |
-
1984
- 1984-12-28 DE DE19843447585 patent/DE3447585A1/en not_active Withdrawn
-
1985
- 1985-10-26 EP EP85113654A patent/EP0187905B1/en not_active Expired - Lifetime
- 1985-10-26 AT AT85113654T patent/ATE54321T1/en not_active IP Right Cessation
- 1985-10-26 DE DE8585113654T patent/DE3578565D1/en not_active Expired - Lifetime
- 1985-12-20 DK DK598485A patent/DK168446B1/en not_active IP Right Cessation
- 1985-12-24 CA CA000498572A patent/CA1266934A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE54321T1 (en) | 1990-07-15 |
EP0187905A3 (en) | 1987-07-29 |
DK168446B1 (en) | 1994-03-28 |
CA1266934A (en) | 1990-03-20 |
EP0187905A2 (en) | 1986-07-23 |
EP0187905B1 (en) | 1990-07-04 |
DE3578565D1 (en) | 1990-08-09 |
DE3447585A1 (en) | 1986-07-10 |
DK598485D0 (en) | 1985-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |