Aqueous latex copolymer compositions
US4543387A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1984 |
| Grant date | Sep 24, 1985 |
| Priority date | — |
| Expiry date | Feb 7, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Aqueous latex composition for use as a contact adhesive comprising a copolymer A and a copolymer B where A is an amorphous copolymer which comprises units of certain selected monomers preferably including vinylidene chloride, an internally plasticizing monomer like 2-ethylhexyl acrylate, optionally vinyl chloride, and optionally a copolymerizable acid, and has Tg within the range -50.degree. to <0.degree. C., and B is a crystalline polymer which comprises units of vinylidene chloride and preferably at least one of an alkyl acrylate, alkyl methacrylate and vinyl chloride, and optionally a copolymerizable acid, and has a Tg of not more than 30.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.