Nonwoven products bonded with vinyl acetate/ethylene/self-crosslinking monomer/acrylamide copolymers having improved blocking resistance
US4814226A · kind A · utility
12Cited by
10References
20Claims
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Key dates
| Filing date | May 18, 1988 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | May 18, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/60
- 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.