| abstract |
Adhesive mass consists of a mixture of a water-soluble or swellable hydrocolloid with a water-insoluble, viscous rubber-like binding agent and is useful as a pressure-sensitive adhesive for the cementing, pasting or sealing of moist surfaces such as paper, wood, cloth or for sealing leaks in boats etc. The adhesiveness of the comps. is not lost when applied to moist surfaces. The hydrocolloid can be PVA, gelatine, an alginate, CMC etc. and the binding agent is esp. polyisobutylene or a mixture from natural rubber, silicone rubber, acrylonitrile rubber and/or polyurethane rubber with colophony, a polyterpene resin and/or a glycerine ester or pentaerythritol ester of hydrated colophony. |