Preparation method of spherical particles of thermoplastic plastic
A technology for thermoplastics and spherical particles, which is applied in the field of preparation of thermoplastic spherical particles, and can solve problems such as low economic efficiency
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Embodiment 1
[0020] Put 100g of crushed LDPE (low-density polyethylene) powder in a 1000ml flask, add 500ml of xylene and 2ml of OP-10 (alkylphenol polyoxyethylene ether), fully stir and disperse, heat to 90°C, and keep warm for about 4 hours After cooling, filter, wash, dry, pulverize and sieve to obtain spherical LDPE powder. The product properties are shown in Table 1.
Embodiment 2
[0022] Put 20g of pulverized HDPE (high-density polyethylene) powder, 1.5g of stearic acid, 1ml of cyclohexane and 250ml of water in a 500ml autoclave, stir and disperse evenly, then heat to 128°C, and the pressure in the autoclave is 0.19MPa , Cool after 4 hours, take out the mixed liquid from the kettle, filter, wash, dry, pulverize and sieve to obtain the product. The product properties are shown in Table 1.
Embodiment 3
[0024] Put 25g of crushed PVC (polyvinyl chloride) powder, 250ml of water, 1g of polyvinyl alcohol (1799) and 8.3ml of cyclohexanone in a 500ml autoclave, disperse evenly, heat to 135°C, and then The pressure is 0.20 MPa. After 3 hours, cool down, take out the mixed liquid from the kettle, filter, wash, dry, pulverize and sieve to obtain the product. The product properties are shown in Table 1.
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