发明授权
US4094834A ABS-formaldehyde novolak 失效
ABS-甲醛酚醛清漆

ABS-formaldehyde novolak
摘要:
An acrylonitrile-butadiene-styrene terpolymer is added to a phenol formaldehyde novolak to produce a mixture which materially increases the resistance to peelback as compared to the phenol formaldehyde novolak alone when used as a shell process foundry resin.
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