配方类型:

ADHESIVES

配方说明:

Spirit-Soluble Laminating Varnish

配方组成:

Caustic soda (50%)/11.2
Isopropyl alcohol/330.0
Water/145.0
Phenol/564.0
Paraformaldehyde (91%)/236.0

配制方法:

Add all ingredients except isopropyl alcohol to the reactor. Heat to 60'C when the reaction will become exothermic and mixture will heat to 93'C in about 20 min. Continue heating at 93'C for 1-3/4 hr. Discontinue heating and add isopropanol. Curetime at 160'C is 58 sec.