Single-component solventless hot melt adhesive as well as preparation method and use method thereof
A hot-melt adhesive and solvent-free technology, applied in the direction of adhesives, adhesive types, adhesive additives, etc., can solve problems such as difficult to meet the lamination process, environmental pollution, and human safety hazards, so as to reduce investment in environmental protection facilities and reduce Effect of VOC emissions and reduction of environmental protection disposal costs
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[0035]Example 1: A single component solventless hot melt glue, the hot melt glue consists of 30 parts of the material of 30 parts of isocyanate, 60 parts of polyester polyol, 20 parts of polyether polyol, 0.2 parts of the chain extender, 0.8 parts of curing agent, 2 polycarbonimide, 1.5 parts of adhesion promoter, 0.1 parts of catalyst and 0.2 parts of an antioxidant.
[0036]The isocyanate is a polyphenyl polyphenylene poly isocyanate, polyphenyl polymethylene poly isocyanate, isocyanate, diphenyl methane diisocyanate, dicyclohexylmethyl isocyanate and six methylene group 2 One or more mixtures of isocyanate.
[0037]The polyester polyol includes one or more mixtures of an epoxy acrylic modified saturated polyester, an aliphatic polyol, an aromatic polyol, a polycaprolactone polyol, and a polycarbonate diol; the polyester The average molecular weight of the polyol is 500-4000.
[0038]The polyether polyol is a polyoxylated propylene glycol, a polyoxy acrylic alcohol, a polytetrahydrofuran, ...
Example Embodiment
[0058]Example 2: A single component solventless hot melt adhesive, the hot melt glue consists of 30 parts of the amount of isocyanate, 80 parts of polyester polyol, 15 parts of polyether polyol, 0.5 parts of the chain extender, 1 part of the curing agent, 1.5 parts of polycarbiximine, 1 part of the adhesion promoter, 0.2 parts of catalyst and 0.1 parts of an antioxidant.
[0059]The isocyanate is a polyphenyl polyphenylene poly isocyanate, polyphenyl polymethylene poly isocyanate, isocyanate, diphenyl methane diisocyanate, dicyclohexylmethyl isocyanate and six methylene group 2 One or more mixtures of isocyanate.
[0060]The polyester polyol includes one or more mixtures of an epoxy acrylic modified saturated polyester, an aliphatic polyol, an aromatic polyol, a polycaprolactone polyol, and a polycarbonate diol; the polyester The average molecular weight of the polyol is 500-4000.
[0061]The polyether polyol is a polyoxylated propylene glycol, a polyoxy acrylic alcohol, a polytetrahydrofura...
Example Embodiment
[0081]Example 3: A single component solvent-free thermally melt glue, the hot melt glue consists of 30 parts by weight of isocyanate, 50 parts of polyester polyol, 50 parts of polyether polyol, 1 part of the chain extender, 1.5 parts of curing agent, 3 polycarbonimide, 2 parts of adhesion promoter, 0.5 parts of catalyst and 0.3 parts of an antioxidant.
[0082]The isocyanate is a polyphenyl polyphenylene poly isocyanate, polyphenyl polymethylene poly isocyanate, isocyanate, diphenyl methane diisocyanate, dicyclohexylmethyl isocyanate and six methylene group 2 One or more mixtures of isocyanate.
[0083]The polyester polyol includes one or more mixtures of an epoxy acrylic modified saturated polyester, an aliphatic polyol, an aromatic polyol, a polycaprolactone polyol, and a polycarbonate diol; the polyester The average molecular weight of the polyol is 500-4000.
[0084]The polyether polyol is a polyoxylated propylene glycol, a polyoxy acrylic alcohol, a polytetrahydrofuran, a tetrahydrofura...
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