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Stabilizing agent compound for koroseal

A technique for vinyl chloride resins and compositions, which is applied in the field of stabilizer compositions for vinyl chloride resins, can solve problems such as inability to achieve color stabilization, and achieve excellent long-term preservation, excellent sanitation, and inhibition of curing or phase separation Effect

Inactive Publication Date: 2012-06-27
ADEKA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the compounding amount is limited in order to prevent deterioration of physical properties, there is a problem that sufficient color stabilization cannot be achieved

Method used

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  • Stabilizing agent compound for koroseal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3、 comparative example 1

[0058] The paste stabilizer composition for vinyl chloride-based resins of the present invention and the stabilizer composition for comparative vinyl chloride-based resins were prepared in the compounding ratio shown in Table 1.

[0059] Table 1 shows the results of measuring the viscosity at 25° C. of the obtained stabilizer composition and evaluating fluidity.

[0060] In addition, a vinyl chloride-based resin composition containing the above stabilizer composition was mixed and prepared as follows.

[0061]

[0062] Vinyl chloride resin (polymerization degree 700) 100 parts by mass

[0063] 40 parts by mass of dioctyl phthalate

[0064] 3 parts by mass of epoxidized soybean oil

[0065] Stabilizer composition (Table 1; the compounding standard of Table 1 is parts by mass) 1.5 parts by mass

[0066] This vinyl chloride-based resin composition was calendered at 170° C. to produce a sheet having a thickness of 0.7 mm. The sheet was placed in a 190° C. Gil oven to measure...

Embodiment 1

[0069] In the case of Examples 1, 2, and 3, since the viscosity is 25,000 or less, it can be handled as a paste, while in the case of Comparative Examples 1, 2, since the viscosity exceeds 30,000, it lacks fluidity, so it cannot be stabilized as a paste. agent to deal with. From this, it was found that a paste stabilizer excellent in fluidity can be obtained by blending the specific fatty acid methyl ester of the present invention as a liquid component. In addition, as can be seen from the comparison of Example 2 and Comparative Example 3, even if the liquid component is the same as the stabilizer composition of the present invention, when the compounding amount of SBM increases, the fluidity will decrease sharply. At this time, the resin composition The blackening time at 190° C. is short, and the pressure coloring evaluation is also inferior to that of the present invention. Furthermore, as can be seen from the comparison between Example 1 and Comparative Example 4, when th...

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PUM

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Abstract

The invention provides a stabilizer composition for chloroethylene resin with excellent processing performance and high efficiency of color stabilization and chloroethylene resin composition with excellent color stabilization without generating biological deterioration. The stabilizer composition for chloroethylene resin of the invention is characterized in that the composition is composed of paste or liquid composition containing (A) fatty acid methyl ester with 12 to 30 carbon atoms and 10 to 80 mass% and (B) stearoyl benzoyl methane. The chloroethylene resin composition contains the stabilizer composition.

Description

technical field [0001] The present invention relates to a stabilizer composition for vinyl chloride resins, in particular, to a paste-like or liquid stabilizer composition for vinyl chloride resins containing stearoylbenzoylmethane, and a main product containing the stabilizer composition. A vinyl chloride resin composition used as a molding material for various resin parts. Background technique [0002] Vinyl chloride-based resins are prone to thermal decomposition mainly caused by dehydrochlorination during thermoforming, resulting in deterioration of mechanical properties or deterioration of color, so one or more heat stabilizers are added for use. [0003] As one of the components of the stabilizer composition for vinyl chloride resins, a β-diketone compound excellent in color stabilization is used, and dibenzoylmethane or stearylbenzoylmethane (hereinafter referred to as SBM) is widely used. . In particular, the above SBM is an FDA-approved stabilizer component with e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/10C08K5/07C08L27/06
Inventor 田中一畅原田昌史三寺太朗
Owner ADEKA CORP
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