Underwear bra pad containing chitin sponge and preparation method thereof
A chitin and underwear technology, applied in underwear, baby underwear, bras and other directions, can solve problems such as poor bra performance, achieve a strong sense of modernity, promote cell metabolism, and prevent cell aging.
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Embodiment 1
[0023] In the embodiment of the present invention, a kind of underwear chest pad containing chitin sponge, its raw material comprises the following components by weight: 100 parts of toluene diisocyanate, 10 parts of diisocyanate, 0.5 part of polymerization catalyst, 0.5 part of flame retardant, 0.5 parts of foaming agent, 10 parts of chitin powder, 120 parts of polyether polyol, several parts of water.
[0024] The polymerization catalyst is stannous octoate.
[0025] The polyether polyol is polyether propylene glycol.
[0026] A kind of preparation method of the underwear breast pad containing chitin sponge, its concrete steps are as follows:
[0027] (1) fully mixing toluene diisocyanate, diisocyanate, polymerization catalyst, flame retardant, blowing agent, chitin powder, polyether polyol and water to obtain a solution mixture;
[0028] (2) The solution mixture is stirred at high speed for 30-45 seconds, the mixing speed is 900r / min, and the temperature control equipment...
Embodiment 2
[0032] In the embodiment of the present invention, a kind of underwear chest pad containing chitin sponge, its raw material comprises the following components by weight: 110 parts of toluene diisocyanate, 20 parts of diisocyanate, 0.6 part of polymerization catalyst, 5 parts of flame retardant, 5 parts of foaming agent, 20 parts of chitin powder, 130 parts of polyether polyol, several parts of water.
[0033] The polymerization catalyst is stannous octoate.
[0034] The polyether polyol is polyether propylene glycol.
[0035] A kind of preparation method of the underwear breast pad containing chitin sponge, its concrete steps are as follows:
[0036] (1) fully mixing toluene diisocyanate, diisocyanate, polymerization catalyst, flame retardant, blowing agent, chitin powder, polyether polyol and water to obtain a solution mixture;
[0037] (2) The solution mixture is stirred at high speed for 30-45 seconds, the mixing speed is 1000r / min, and the temperature control equipment i...
Embodiment 3
[0041] In the embodiment of the present invention, a kind of underwear chest pad containing chitin sponge, its raw material comprises the following components by weight: 120 parts of toluene diisocyanate, 30 parts of diisocyanate, 0.7 parts of polymerization catalyst, 8 parts of flame retardant, 8 parts of foaming agent, 30 parts of chitin powder, 150 parts of polyether polyol, several parts of water.
[0042] The polymerization catalyst is stannous octoate.
[0043] The polyether polyol is polyether propylene glycol.
[0044] A kind of preparation method of the underwear breast pad containing chitin sponge, its concrete steps are as follows:
[0045] (1) fully mixing toluene diisocyanate, diisocyanate, polymerization catalyst, flame retardant, blowing agent, chitin powder, polyether polyol and water to obtain a solution mixture;
[0046] (2) The solution mixture is stirred at high speed for 30-45 seconds, the mixing speed is 800r / min, and the temperature control equipment i...
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