Polyvinylidene chloride composition and its prepn
A technology of polyvinylidene chloride and resin composition is applied in the fields of polyvinylidene chloride-based resin composition molding, new production of polyvinylidene chloride-based resin composition, and resin composition for coloring, which can solve the problem of It is difficult to adopt, the thermal stability of the composition is reduced, and it is difficult to use the master batch, and the effect of suppressing coarse foreign matter and excellent adhesion
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Embodiment 1
[0151] 1. Preparation of resin composition for coloring
[0152] As shown in Table 1, the glycidyl-containing (meth)acrylic resin [glycidyl methacrylate-methyl methacrylate-styrene-butyl acrylate (30 / 31 / 31 / 8% by weight) ] 41% by weight, methyl methacrylate-butyl methacrylate copolymer 23% by weight, pigment red mixture (pigment) 25% by weight, silica (inorganic lubricant; average particle diameter 5.2 μm) 5% by weight, 3% by weight of epoxidized soybean oil, 2% by weight of aliphatic hydrocarbon oligomer (Mw=2,100), and 1% by weight of calcium montanate were stirred with a Henschel mixer at normal temperature (23°C) for 5 minutes, A resin composition for coloring was prepared. The composition is shown in Table 1.
[0153]
Resin composition for coloring
composition
2 parts by weight
weight%
Details
Glycidyl-containing (meth)acrylic resin
Glycidyl Methacrylate-Methyl Methacrylate
- Styrene - Butyl Acrylate = 30 / 31 / 31 / ...
Embodiment 2
[0165] When the powder resin of PVDC (1) is polymerized, 0.3 parts by weight of epoxidized linseed oil (O-180) and 4.0 parts by weight of dibutyl sebacate are contained with respect to 100 parts by weight of PVDC-based resin. The ratio is adjusted. According to the order of powder resin, powder additive, liquid additive (acetyl tributyl citrate, epoxidized linseed oil and pigment) of PVDC (1), the glycidyl group-containing components in Table 2 Components other than (meth)acrylic resin are put into the paddle mixer, and the temperature is raised to about 80°C while mixing (heating mixing). After the temperature rises, it is cooled immediately, and when the temperature drops to about 65°C, it is put into the glycidyl-containing (methanol) Base) the powder of acrylic resin is mixed (mixing after heating). After cooling, obtain resin composition (mixture) after sieving with #50 mesh sieve. Except using this resin composition, other is the same as embodiment 1 A stretched film wa...
Embodiment 3
[0169] In the polymerization of each powder resin, 2.46 parts by weight of epoxidized linseed oil (O-180) and 3.5 parts by weight of dibutyl sebacate are contained with respect to 100 parts by weight of PVDC-based resin. modulation. Use these powder resins, and press powder resin. The order of powder additives and pigments is to put glycidyl group-containing (meth)acrylic resin and EVA components in the components shown in Table 2 into the paddle mixer, and heat up to about 80°C while mixing. (warm up to mix). After heating up, it was cooled immediately, and when the temperature dropped to about 65° C., powder of a glycidyl group-containing (meth)acrylic resin was thrown in and mixed (mixing at elevated temperature). Then, EVA was mixed at normal temperature (normal temperature mixing). Using the obtained resin composition, a stretched film was produced in the same manner as in Example 1. The results are shown in Table 2.
[0170]
Composition (parts by weigh...
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