Description
HY-2004 is a polymer which condensed by resorcinol and other organic materials, no containing free formaldehyde. It is much the same as B-20-S of foreign product. It is a high polymer, compared with the monomer resorcinol or resorcinol pre-dispersion. It can avoid to pollute environment due to sublimation of resorcinol and bloom of rubber at higher environment temperature. Compared with resorcinol formaldehyde resin, its free resorcinol content is decreased greatly. It is insoluble in water, soluble in alcohol, ketone, aromatic.
Softening Point (Ball and ring), ℃ 99~109
Application
HY-2004 is reacted with methylene donor such as RA, HMMM, HMT and produces thermosetting resin, it can apparently improve the tackiness of rubber and all-steel cord. HY-2004 can not only improve initial tackiness of rubber and steel wire, but also has excellent tack retention of heat-ageing. HY-2004 also can improve the processing of rubber, promote the dispersing of...
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