Use of polymer powder compositions capable of redispersing in water for loam construction materials
A water redispersion and polymer technology, applied in the field of loamy soil building materials, can solve the problems of water resistance, limited capacity, low internal cohesion, etc., achieve good water resistance and moisture resistance, and reduce water absorption.
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[0027] The invention is illustrated by the following examples.
[0028] The following redispersible powder compositions were used:
[0029] Redispersion Powder 1:
[0030] Vinyl acetate-ethylene copolymer with Tg=18℃
[0031] 12wt% polyvinyl alcohol
[0032] 15wt% anti-blocking agent
[0033] Redispersion Powder 2:
[0034] Vinyl acetate-ethylene-VeoVa10 terpolymer with Tg=5℃
[0035] 12wt% polyvinyl alcohol
[0036] 15wt% anti-blocking agent
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Abstract
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