Low-temperature resistant self-adhesive rubber asphalt waterproofing coiled material

Abstract

The invention provides a rubber bitumen waterproof roll with low temperature resistance and auto-cohesive performance. Modified bitumen layer contains calcium carbonate and more than two kinds of adhesive, which solves the problem that the prior auto-cohesive rubber bitumen waterproof roll can not work under temperature below 5 DEG C, while the invention has good cohesive performance and can work well even under the temperature 10 DEG C under zero, and the stripping intensity is as high as 1.0N / mm.

Description

technical field

[0001] The invention relates to a low-temperature-resistant self-adhesive waterproof coiled material, in particular to a self-adhesive rubber asphalt waterproof coiled material capable of self-adhesive construction at low temperature (-10°C). Background technique

[0002] At present, the known self-adhesive construction method self-adhesive rubber asphalt waterproofing membrane is based on elastomer modified asphalt such as SBS, and strong waterproof polyethylene film or aluminum foil is used as the upper surface material of the membrane or without membrane (double-sided self-adhesive). ), a tireless self-adhesive waterproof membrane made of peelable silicon-coated film or silicon-coated crepe paper as the material of the lower surface release layer. The product implements the national industry standard of JC840-1999 "self-adhesive rubber asphalt waterproof membrane".

[0003] The above known self-adhesive rubber asphalt waterproofing membrane has the follow...