Formaldehyde-free rubber film for synthesizing multilayer solid wood base material
A zero-formaldehyde and substrate technology, applied in the field of zero-formaldehyde film, can solve the problems of low yield, affect the quality of finished products, carbonization, etc., and achieve the effects of strong viscosity, improved qualification rate, and enhanced stability
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Embodiment 1
[0035] 1. Raw material selection: Polyethylene uses blown film-grade polyethylene particles with a melt index (MI) of 4g / 10min; EVA260 resin: selects DuPont EVA260 resin from the United States; low molecular weight PE wax: select commonly used ones; titanium dioxide: select up to Industrial grade titanium dioxide.
[0036] 2. Weigh each raw material: polyethylene: 81 kg; EVA260 resin: 19 kg; low-molecular weight PE wax: 0.3 kg; titanium dioxide: 0.4 kg, then mix the above-mentioned raw materials, stir and mix well.
[0037] 3. Put the above-mentioned weighed raw materials into the barrel of the SJJ-120X32 / 120X6 two-stage extrusion granulation unit for granulation. After the raw materials are heated, they are slowly plasticized under the push of the two-stage screw, from After being formed in the die, it is cooled in water, and then pelletized as needed.
[0038] 4. Use the SJ-BMZ type high and low pressure polyethylene film blowing machine to blow the above raw material parti...
Embodiment 2
[0041] 1. Raw material selection: Polyethylene uses blown film-grade polyethylene particles with a melt index (MI) of 4g / 10min; EVA260 resin: selects DuPont EVA260 resin from the United States; low molecular weight PE wax: select commonly used ones; titanium dioxide: select up to Industrial grade titanium dioxide.
[0042] 2. Weigh each raw material: polyethylene: 85 kg; EVA260 resin: 14 kg; low molecular weight PE wax: 0.5 kg; titanium dioxide: 0.5 kg, then mix the above weighed raw materials, stir and mix well.
[0043] 3. Put the above-mentioned weighed raw materials into the barrel of the SJJ-120X32 / 120X6 two-stage extrusion granulation unit for granulation. After the raw materials are heated, they are slowly plasticized under the push of the two-stage screw, from After being formed in the die, it is cooled in water, and then pelletized as needed.
[0044] 4. Use the SJ-BMZ type high and low pressure polyethylene film blowing machine to blow the above raw material particl...
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