Process for the production of quick-curing epoxide resin...

Details Process for the production of quick-curing epoxide resin... Process for the production of quick-curing epoxide resin...

B - Operations, Transporting

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B

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B32B 27/38 (2006.01) C08G 59/40 (2006.01) C09D 163/00 (2006.01)

Patent

CA 1060731

PROCESS FOR THE PRODUCTION OF QUICK-CURING EPOXIDE RESIN COATINGS WHICH ARE RESISTANT TO CHEMICALS AND TO WEATHERING Abstract of the Disclosure The invention relates to the production, of chemi- cally resistant epoxide resin layers on solid surfaces. The liquid component (A) which contains an epoxide compound is preferably mixed, and applied, together with the com- ponent (B) containing the curing agent, in a spraying apparatus. The coating is then cured. The curing agent contained in (B) consists essentially of Zn(BF4)2, quite specific ethers or thioethers, an acid ester of the phos- phoric or pyrophosphoric acids or a certain phosphonic acid ester and water. The system is characterised by a short curing time and produces coatings which adhere strongly and are resistant to chemicals. If the component (A) contains an epoxide compound which consists to the extent of 50 to 100% by weight of a cycloaliphatic epoxide compound, a coating is finally obtained which is resistant to weathering.

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