Nonwoven binders of vinyl acetate/ethylene/self-crosslinking monomers/acrylamide copolymers having improved blocking resistance
US4774283A · kind A · utility
16Cited by
10References
13Claims
0Family size
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Key dates
| Filing date | Mar 2, 1987 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M15/29
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A copolymer emulsion for bonding nonwovens demonstrating increased blocking resistance comprising an aqueous medium having colloidally dispersed therein a copolymer consisting essentially of vinyl acetate, ethylene, a crosslinkable comonomer which is an N-acrylamidoglycolic acid or an acrylamidobutyraldehyde dialkyl acetal type compound, and a small amount of an acrylamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.