Low-foaming PVC crust plate material
A PVC formwork and low-foaming technology, applied in the field of building materials, can solve problems such as bending strength, poor room temperature impact strength, and weak deformation resistance, and achieve good room temperature impact strength, strong deformation resistance, and good nail holding force Effect
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Embodiment 1
[0017] A low-foaming PVC crust board, which is composed of the following components in parts by weight: 100 parts of PVC template recycled material, 60 parts of calcium powder, 10 parts of stabilizer, 5 parts of filler, 3 parts of foam regulator, foam 1 part of pigment, 0.3 part of pigment, 4 parts of polyethylene wax, and 0.1 part of wood powder; the preparation steps are as follows: A, take raw materials according to weight parts, and add PVC in turn at a temperature of 120 ° C and a stirring speed of 1000 r / min. Template reclaimed material, calcium powder, stabilizer, mixed and stirred for 10 minutes, to obtain component A; B, filler, foam regulator, foaming agent, pigment, polyethylene wax, wood powder at a stirring speed of 300r / min Stir evenly to obtain component B; C. Add component B to component A and stir evenly to obtain a mixed component; D. Extrude the mixed component through a mold through a double-screw rod, and then shape it by shaping and cutting. That is, the ...
Embodiment 2
[0019] A low-foaming PVC crust board, which is composed of the following components in parts by weight: 110 parts of PVC template recycled material, 65 parts of calcium powder, 15 parts of stabilizer, 8 parts of filler, 5 parts of foam regulator, foam 3 parts of agent, 0.5 part of pigment, 6 parts of polyethylene wax, and 0.3 part of wood powder; the preparation steps are as follows: A, take raw materials according to weight parts, and add PVC in turn at a temperature of 120 ° C and a stirring speed of 1000 r / min. Template reclaimed material, calcium powder, stabilizer, mixed and stirred for 10 minutes, to obtain component A; B, filler, foam regulator, foaming agent, pigment, polyethylene wax, wood powder at a stirring speed of 300r / min Stir evenly to obtain component B; C. Add component B to component A and stir evenly to obtain a mixed component; D. Extrude the mixed component through a mold through a double-screw rod, and then shape it by shaping and cutting. That is, the l...
Embodiment 3
[0021] A low-foaming PVC crust board, which is composed of the following components in parts by weight: 105 parts of PVC template recycled material, 63 parts of calcium powder, 11 parts of stabilizer, 7 parts of filler, 4 parts of foaming regulator, foaming 2 parts of agent, 0.4 part of pigment, 5 parts of polyethylene wax, and 0.2 part of wood powder; the preparation steps are as follows: A. Take raw materials according to weight parts, and add PVC in turn at a temperature of 120 ° C and a stirring speed of 1000 r / min. Template reclaimed material, calcium powder, stabilizer, mixed and stirred for 10 minutes, to obtain component A; B, filler, foam regulator, foaming agent, pigment, polyethylene wax, wood powder at a stirring speed of 300r / min Stir evenly to obtain component B; C. Add component B to component A and stir evenly to obtain a mixed component; D. Extrude the mixed component through a mold through a double-screw rod, and then shape it by shaping and cutting. That is,...
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