EVA adhesive film with high water vapor barrier property
A water vapor barrier and adhesive film technology, applied in the direction of adhesives, film/sheet adhesives, non-polymer adhesive additives, etc., can solve the problem of low processing temperature, weak EVA water resistance, and reduced component efficiency. problems, to achieve the effect of enhancing the water vapor barrier performance, improving the heat and humidity resistance performance, and increasing the thermal stability performance
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[0032] Example 1
[0033] 100 parts of EVA resin with 28% vinyl acetate content, 1.0 part of dicumyl peroxide, 0.5 part of 3 allyl isocyanurate, β-3,5-di-tert-butyl-4-hydroxyphenyl ) Stearyl propionate, 0.5 parts of 2,2'-dihydroxy-4-methoxybenzophenone, .2 parts of bis(2,2,6,6-tetramethyl-4-piperidine Base) sebacate, 0.5 parts of acetoxytrimethylsilane, 3 parts of talc powder are mixed uniformly through a mixer, put into the casting machine, and processed by plasticizing, extruding, stretching, pulling, and winding at 110°C Into an EVA film with a thickness of about 0.5mm.
Example Embodiment
[0034] Example 2
[0035] 100 parts of EVA resin with 28% vinyl acetate content, 1.0 part of dicumyl peroxide, 0.5 part of 3 allyl isocyanurate, β-3,5-di-tert-butyl-4-hydroxyphenyl ) Stearyl propionate, 0.5 parts of 2,2'-dihydroxy-4-methoxybenzophenone, .2 parts of bis(2,2,6,6-tetramethyl-4-piperidine Base) sebacate, 0.5 parts of acetoxytrimethylsilane, 10 parts of talc powder are mixed uniformly through a mixer, put into the casting machine, and processed by plasticizing, extruding, stretching, traction and winding at 110°C Into an EVA film with a thickness of about 0.5mm.
Example Embodiment
[0036] Example 3
[0037] 100 parts of EVA resin with 28% vinyl acetate content, 1.0 part of dicumyl peroxide, 0.5 part of 3 allyl isocyanurate, β-3,5-di-tert-butyl-4-hydroxyphenyl ) Stearyl propionate, 0.5 parts of 2,2'-dihydroxy-4-methoxybenzophenone, .2 parts of bis(2,2,6,6-tetramethyl-4-piperidine Base) sebacate, 0.5 parts of acetoxytrimethylsilane, 15 parts of talc powder are mixed uniformly through a blender, put into the casting machine, and processed by plasticizing, extruding, stretching, pulling, and winding at 110°C Into an EVA film with a thickness of about 0.5mm.
[0038] Prior art embodiment
[0039] In 100 parts by mass of EVA resin with 28% vinyl acetate content, 1.0 part of dicumyl peroxide, 0.5 part of 3 allyl isocyanurate, β-3,5-di-tert-butyl-4-hydroxybenzene Base) n-octadecyl propionate, 0.5 parts of 2,2'-dihydroxy-4-methoxybenzophenone, .2 parts of bis(2,2,6,6-tetramethyl-4-piper (Pyridinyl) sebacate, 0.5 parts of acetoxytrimethylsilane are mixed uniformly th...
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