A kind of antibacterial hydrocolloid dressing and preparation method thereof
A technology of hydrocolloid and hydrocolloid layer, which is applied in medical science, bandages, absorbent pads, etc., can solve the problems that cannot meet the diverse needs of complex wounds, and achieve the goal of avoiding biological safety risks, good safety, and strong antibacterial performance Effect
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Embodiment 1
[0026] The antibacterial hydrocolloid dressing of the present invention comprises a backing layer, a hydrocolloid layer and a peeling layer, the hydrocolloid layer is arranged on the backing layer, and the peeling layer is arranged on the hydrocolloid layer; the backing layer is a waterproof polyurethane material, and the The peeling layer is a release paper or a release film, and the hydrocolloid layer is made of the following raw materials in parts by weight: 5 parts of polyurethane rubber, 5 parts of disproportionated rosin ester, 1 part of polyisobutylene with a molecular weight of 300, thio 0.5 part of dioctadecyl dipropionate, 30 parts of sodium carboxymethyl cellulose, 5 parts of polyvinyl alcohol, 1 part of acylated chitosan with a molecular weight of 5000-8000, and 0.05 part of polyhexamethyleneguanidine.
[0027] The method for preparing described antibacterial hydrocolloid dressing can be carried out in the following steps:
[0028] ① Put 5 parts by weight of polyur...
Embodiment 2
[0031] The antibacterial hydrocolloid dressing of the present invention comprises a backing layer, a hydrocolloid layer and a peeling layer, the hydrocolloid layer is arranged on the backing layer, and the peeling layer is arranged on the hydrocolloid layer; the backing layer is a waterproof polyurethane material, and the The peeling layer is a release paper, and the hydrocolloid layer is made of the following raw materials in parts by weight: 7 parts of butyl rubber, 8 parts of disproportionated rosin ester, 2 parts of polyisobutylene with a molecular weight of 400, thiodipropionic acid 0.8 parts of dioctadecyl ester, 32 parts of sodium carboxymethylcellulose, 5.5 parts of polyvinyl alcohol, 1.5 parts of acylated chitosan with a molecular weight of 8000-10000, and 0.1 part of polyhexamethyleneguanidine.
[0032] The method for preparing described antibacterial hydrocolloid dressing can be carried out in the following steps:
[0033] ① Add 7 parts by weight of butyl rubber, 8 ...
Embodiment 3
[0036] The antibacterial hydrocolloid dressing of the present invention comprises a backing layer, a hydrocolloid layer and a peeling layer, the hydrocolloid layer is arranged on the backing layer, and the peeling layer is arranged on the hydrocolloid layer; the backing layer is a waterproof polyurethane material, and the The peeling layer is a release paper, and the hydrocolloid layer is made of the following raw materials in parts by weight: 9 parts of styrene block copolymer thermoplastic elastomer, 10 parts of disproportionated rosin ester, 4 parts of polyisobutylene with a molecular weight of 500 , 1 part of dioctadecyl thiodipropionate, 35 parts of sodium carboxymethylcellulose, 7 parts of polyvinyl alcohol, 2 parts of acylated chitosan with a molecular weight of 10000~50000, polyhexamethyleneguanidine hydrochloride 0.2 parts of salt.
[0037] The method for preparing described antibacterial hydrocolloid dressing can be carried out in the following steps:
[0038]① Add ...
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