化學(xué)配方數(shù)據(jù)庫(kù)
| 配方類型： |
ADHESIVES |
| 配方說(shuō)明： |
Adhesives for Foams |
| 配方組成： |
Water/0.6
The recommended minimum dry polymer pickup for this assembly is
65-70%.
Preliminary seal coating with a continuous film layer on the backside of
the flannel serves as a barrier that prevents polymer strike through to
the front side of the flannel when the polyurethane foam and the flannel
are laminated.
Prepare a solution of "Carbopol" 934 Resin dispersed at 5% by weight in
water. Neutralize the acid "Carbopol" resin with ammonium hydroxide to
develop a |
| 配制方法： |
The finished glue is @ 13.5% solids and @ pH 10.8. A brief wet-in period of the dry powder in ambient water (3-5 min) in a well-agitated, low-shear mixing tank. An alkaline dispersing agent is then added and mixed for 5-10 min. Then a buffering agent is mixed in (5-10 min) and the glue is ready to use. |
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