Bottle cap modified plastic lining material and preparation method thereof
An inner padding and plastic technology, applied in the field of bottle caps, can solve the problems of poor sealing, poor stability, and it is difficult to meet the needs of food safety, and achieve the effect of strong sealing, high strength, and meeting the needs of food safety.
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Embodiment 1
[0011] Embodiment 1: The bottle cap modified plastic inner gasket of the present embodiment includes the following components in parts by weight: 42 parts of high-density polyethylene; 20 parts of polypropylene; 3 parts of phenol-free phosphite; mineral oil 4 parts; 3 parts of a mixture of dibutyltin dilaurate and dibutyltin maleate, wherein the weight ratio of dibutyltin dilaurate to dibutyltin maleate is 1:1; 4 parts of chlorinated polyethylene.
[0012] The manufacture method of the bottle cap modified plastic inner gasket of the present embodiment comprises 42 parts of high-density polyethylene; 20 parts of polypropylene; 3 parts of phenol-free phosphite; 4 parts of mineral oil; 3 parts of a mixture of dibutyltin toate, wherein the weight ratio of dibutyltin dilaurate to dibutyltin maleate is 1:1; 4 parts of chlorinated polyethylene are mixed; the temperature of the mixture is 140°C, and the melting pressure is Under the environment of 1.2MPa, after passing through the twi...
Embodiment 2
[0014] Embodiment 2: The bottle cap modified plastic inner gasket of the present embodiment includes the following components in parts by weight: 63 parts of high-density polyethylene; 24 parts of polypropylene; 5 parts of low-phenolic phosphite; mineral oil 6 parts; 5 parts of a mixture of dibutyltin dilaurate and dibutyltin maleate, wherein the weight ratio of dibutyltin dilaurate to dibutyltin maleate is 1:2; 10 parts of chlorinated polyethylene.
[0015] The manufacture method of the bottle cap modified plastic inner gasket of the present embodiment comprises 63 parts of high-density polyethylene; 24 parts of polypropylene; 5 parts of low-phenolic phosphite; 6 parts of mineral oil; 5 parts of a mixture of dibutyltin toate, wherein the weight ratio of dibutyltin dilaurate to dibutyltin maleate is 1:2; 10 parts of chlorinated polyethylene are mixed; the mixture is placed at a temperature of 220°C and a melting pressure of Under the environment of 2.6MPa, after passing throug...
Embodiment 3
[0017] Embodiment 3: The bottle cap modified plastic inner gasket of the present embodiment includes the following components in parts by weight: 54 parts of high-density polyethylene; 22 parts of polypropylene; 4 parts of phenolic phosphite; mineral oil 5 parts; 4 parts of a mixture of dibutyltin dilaurate and dibutyltin maleate, wherein the weight ratio of dibutyltin dilaurate to dibutyltin maleate is 1:3; methyl methacrylate-butadiene-benzene 7 parts vinyl.
[0018] The manufacture method of the bottle cap modified plastic inner gasket of the present embodiment comprises 54 parts of high-density polyethylene; 22 parts of polypropylene; 4 parts of phenol-containing phosphite; 5 parts of mineral oil; dibutyltin dilaurate and horse 4 parts of a mixture of dibutyltin toate, wherein the weight ratio of dibutyltin dilaurate to dibutyltin maleate is 1:3; 7 parts of methyl methacrylate-butadiene-styrene are mixed; put the mixture into At a temperature of 180°C and a melting pressu...
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