Medical hydrocolloid pressure-sensitive adhesive and preparation method thereof
A hydrocolloid and pressure-sensitive adhesive technology, applied in the direction of adhesives, adhesive types, adhesive additives, etc., can solve problems such as performance gaps, and achieve the effects of good initial viscosity, fast water absorption rate, and high bulk viscosity.
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Embodiment 1
[0021] A medical hydrocolloid pressure-sensitive adhesive, raw materials include in parts by weight: 20 parts of styrene-isoprene-styrene block copolymer, 5 parts of rosin glyceride, 3 parts of acetate starch, 2 parts of Cuban resin, 1 part of sodium alginate, 3 parts of sodium carboxymethylcellulose, 2 parts of phthalate, 1 part of polyisobutylene, 0.5 part of antioxidant, 0.2 part of auxiliary antioxidant, 1 part of ammonium persulfate, diethylene glycol ethylene 2 parts of base ether, 2 parts of polytrimethyldihydroquinoline, 3 parts of naphthenic oil.
[0022] The antioxidant is a compound of antioxidant 1010 and antioxidant 1076, wherein the weight ratio of antioxidant 1010 and antioxidant 1076 is 3:2.
[0023] The auxiliary antioxidant is dilauryl thiodipropionate.
[0024] The preparation method of the above-mentioned medical hydrocolloid pressure-sensitive adhesive comprises the following steps:
[0025] Step 1: Add styrene-isoprene-styrene block copolymer, acetate s...
Embodiment 2
[0029] A medical hydrocolloid pressure-sensitive adhesive, raw materials include in parts by weight: 24 parts of styrene-isoprene-styrene block copolymer, 7 parts of rosin glyceride, 5 parts of acetate starch, 3 parts of Cuban resin, 2 parts of sodium alginate, 5 parts of sodium carboxymethyl cellulose, 6 parts of phthalate, 3 parts of polyisobutylene, 1.2 parts of antioxidant, 0.7 part of auxiliary antioxidant, 3 parts of ammonium persulfate, diethylene glycol ethylene 5 parts of base ether, 7 parts of polytrimethyldihydroquinoline, and 9 parts of naphthenic oil.
[0030] The antioxidant is a compound of antioxidant 1010 and antioxidant 1076, wherein the weight ratio of antioxidant 1010 and antioxidant 1076 is 3:2.
[0031] The auxiliary antioxidant is dilauryl thiodipropionate.
[0032] The preparation method of the above-mentioned medical hydrocolloid pressure-sensitive adhesive comprises the following steps:
[0033] Step 1, add styrene-isoprene-styrene block copolymer, ...
Embodiment 3
[0037] A medical hydrocolloid pressure-sensitive adhesive, raw materials include in parts by weight: 32 parts of styrene-isoprene-styrene block copolymer, 8 parts of rosin glyceride, 5 parts of acetate starch, 7 parts of Cuban resin, 3 parts of sodium alginate, 7 parts of sodium carboxymethyl cellulose, 6 parts of phthalate, 2 parts of polyisobutylene, 2.4 parts of antioxidant, 0.7 part of auxiliary antioxidant, 3 parts of ammonium persulfate, diethylene glycol ethylene 5 parts of base ether, 8 parts of polytrimethyldihydroquinoline, and 9 parts of naphthenic oil.
[0038] The antioxidant is a compound of antioxidant 1010 and antioxidant 1076, wherein the weight ratio of antioxidant 1010 and antioxidant 1076 is 3:2.
[0039] The auxiliary antioxidant is dilauryl thiodipropionate.
[0040] The preparation method of the above-mentioned medical hydrocolloid pressure-sensitive adhesive comprises the following steps:
[0041] Step 1: Add styrene-isoprene-styrene block copolymer, ...
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