Particles for resin modification and vinyl chloride resin composition containing the particles for resin modification
A vinyl chloride resin and composition technology, which is applied in the field of resin modification particles and vinyl chloride resin compositions containing the resin modification particles, can solve problems such as resin surface pitting, achieve excellent balance, heat Excellent stability and excellent appearance
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[0104] Hereinafter, the present invention will be described in more detail by citing the examples. The present invention is certainly not limited by the following examples, and of course it can also be implemented by appropriately adding changes within the scope of the aforementioned and later-described gist. These include within the technical scope of the present invention. In addition, unless otherwise specified below, "part" means "weight part", and "%" means "weight%".
[0105]
[0106] The measurement sample was dissolved in tetrahydrofuran (THF), and the glycidyl group-containing polymer (B ) (sample solution: sample 20 mg / THF 10 mL, measurement temperature: 25° C., detector: differential refraction type, injection volume: 1 mL).
[0107]
[0108] The volume average particle diameter of the particles for resin modification which is a polymer of 0.01 to 0.5 μm is measured by light scattering at a wavelength of 546 nm using a particle size analyzer (manufactured by Ni...
manufacture example 1-1
[0116] Dioctyl sodium succinate 0.8 part (parts by weight, the same below) dissolved in water in advance and ferrous sulfate (FeSO 4 ·7H 2 (0) 0.0005 parts, 0.002 parts of ethylenediaminetetraacetic acid disodium salt, 0.5 parts of sodium carbonate, and 0.055 parts of sodium formaldehyde sulfoxylate were loaded into a reactor with a stirrer, and water was further added to make the total amount of water 200 parts. Nitrogen replacement was carried out in the reactor to remove oxygen in the space and water, and then, while stirring, the temperature of the contents was raised to 60°C, and 85 parts of glycidyl methacrylate, 10 parts of methyl methacrylate, and benzene were continuously added. 5 parts of ethylene, 0.5 parts of tert-dodecyl mercaptan, and 0.03 parts of tert-butyl hydroperoxide are polymerized. After the addition of the copolymerization components is completed, the contents are kept at 60°C and the stirring is continued for more than 1 hour, and the end Cooling was p...
manufacture example 1-2～6
[0118] Emulsion polymerization was performed with the composition shown in Table 1 by the same method as in Production Example 1-1 to obtain glycidyl group-containing polymers (B-2 to B-6).
[0119] It should be noted that the abbreviations described in Table 1 have the following meanings.
[0120] GMA: glycidyl methacrylate
[0121] MMA: methyl methacrylate
[0122] St: Styrene
[0123] tDM: tertiary dodecyl mercaptan
[0124] [Table 1]
[0125]
[0126] From the results in Table 1, a latex of a glycidyl group-containing polymer (B) having a weight average molecular weight of 17,500 to 203,000 and a volume average particle diameter of 0.152 to 0.202 μm was obtained. On the other hand, in the case described in Production Examples 1-6, the hydrophilicity of the monomer mixture was increased and it was unstable, so that it could not be polymerized.
[0127]
[0128] 200 parts of water, 2.2 parts of sodium oleate, ferrous sulfate (FeSO 4 ·7H 2 O) 0.002 part, 0.007 par...
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