Rapidly-cured powder coating for coiled materials and production method thereof
A powder coating and rapid curing technology, which is applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of short service life, low curing speed, and increased production cycle, so as to reduce production costs, shorten production cycles, and improve production efficiency. The effect of curing speed
Examples
Embodiment 1
[0010] The powder coating for a fast-curing coil provided by the present invention comprises a hydroxyl resin, a curing agent, a leveling agent, a deblocking agent, a defoaming agent, a pigment and a filler, and the above components are 50 parts by weight of the hydroxyl resin, The curing agent is 11 parts, the leveling agent is 1 part, the deblocking agent is 1 part, the defoamer is 0.4 parts, the pigment is 1.6 parts, and the filler is 35 parts. The hydroxyl value of the hydroxyl resin is 45 mg KOH / g ~ 55 mg KOH / g, the softening point is 110 ° C ~ 115 ° C; the curing agent is isocyanate, the softening point is 90 ° C ~ 110 ° C, and the glass transition temperature is 40 ° C ~ 65 ° C ℃; the leveling agent is acrylate, the softening point is 80℃~105℃, the solid content is ≥99%, and the epoxy value is 0.05~0.12; the deblocking agent is organotin and ammonia, the ratio is 6:4, both are Colorless and transparent liquid; defoamer is conventional emulsified silicone oil, silicone d...
Embodiment 2
[0015] In the powder coating for fast-curing coils provided by the present invention, the components in proportion by weight are 60 parts of hydroxyl resin, 14 parts of curing agent, 1 part of leveling agent, 1 part of deblocking agent, and 1 part of defoaming agent. The agent is 0.4 part, the pigment is 0.6 part, and the filler is 23 parts. The hydroxyl value of the hydroxyl resin is 45 mg KOH / g ~ 55 mg KOH / g, the softening point is 110 ° C ~ 115 ° C; the curing agent is isocyanate, the softening point is 90 ° C ~ 110 ° C, and the glass transition temperature is 40 ° C ~ 65 ° C ℃; the leveling agent is acrylate, the softening point is 80℃~105℃, the solid content is ≥99%, and the epoxy value is 0.05~0.12; the deblocking agent is organotin and ammonia, the ratio is 6:4, both are Colorless and transparent liquid; defoamer is conventional emulsified silicone oil, silicone defoamer with methyl polysiloxane as the main body; pigment is iron oxide; filler is barium sulfate and barit...
Embodiment 3
[0019] In the powder coating for fast-curing coils provided by the present invention, each component in proportion by weight is 55 parts of hydroxy resin, 12 parts of curing agent, 1 part of leveling agent, 1 part of unsealing agent, and 1 part of defoaming agent. The agent is 0.4 part, the pigment is 0.6 part, and the filler is 30 parts. The hydroxyl value of the hydroxyl resin is 45 mg KOH / g ~ 55 mg KOH / g, the softening point is 110 ° C ~ 115 ° C; the curing agent is isocyanate, the softening point is 90 ° C ~ 110 ° C, and the glass transition temperature is 40 ° C ~ 65 ° C ℃; the leveling agent is acrylate, the softening point is 80℃~105℃, the solid content is ≥99%, and the epoxy value is 0.05~0.12; the deblocking agent is organotin and ammonia, the ratio is 6:4, both are Colorless and transparent liquid; defoamer is conventional emulsified silicone oil, silicone defoamer with methyl polysiloxane as the main body; pigment can be mixed into the desired color by using red, ye...
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Abstract
Description
Claims
Application Information
- IPC
- C09D175/04; C09D5/46; C09D7/12
- Inventors
- 陈召珠; 陈世尧