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Resin composition

一种树脂组合物、树脂的技术,应用在镁化合物、无机化学、纤维状填料等方向,能够解决冲击强度成型品表面平滑性有问题等问题

Active Publication Date: 2014-03-26
SETOLAS HLDG INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Acicular basic magnesium sulfate is excellent in reinforcement such as flexural modulus (rigidity), but has problems in impact strength and surface smoothness of molded products.

Method used

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  • Resin composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0050] Hereinafter, although an Example demonstrates this invention in more detail, this invention is not limited only to these Examples.

Synthetic example 1

[0051] Synthesis Example 1

[0052] In 20L of the mixed aqueous solution of the primary reagent magnesium chloride and sodium acetate (Mg=2 mol / L, sodium acetate=2 mol / L, 30°C), under stirring, add 4 mol / L of the primary reagent sodium hydroxide aqueous solution (30° C.) 16 L to make it react. This reactant was charged into an autoclave with a capacity of 50 L, and hydrothermal treatment was performed at 160° C. for 5 hours. The hydrothermally treated product is taken out, filtered under reduced pressure and washed with water, and the filter cake is dispersed in water by a mixer. After heating to 80° C., 40 g of stearic acid (purity: 90%) was neutralized with sodium hydroxide, and 1 L of an aqueous solution heated and dissolved was added with stirring for surface treatment. Thereafter, filtration under reduced pressure, washing with water, extrusion granulation, and drying were performed. A part of the sample before surface treatment was taken, X-ray diffraction was carrie...

Synthetic example 2

[0054] Synthesis Example 2

[0055] To 400 mL of a mixed aqueous solution of magnesium chloride and sodium acetate (Mg=4 mol / L, sodium acetate=2 mol / L, 30° C.), 120 mL of a 4 mol / L sodium hydroxide aqueous solution (30° C.) was added under stirring. make it react. This reactant was charged into an autoclave with a capacity of 1 L, and hydrothermal treatment was performed at 170° C. for 4 hours. The hydrothermally treated product is taken out, filtered under reduced pressure and washed with water, and the filter cake is dispersed in water by a mixer. After heating to 80° C., 1 g of stearic acid (purity: 90%) was neutralized with sodium hydroxide, and 50 mL of an aqueous solution heated and dissolved was added with stirring for surface treatment. Thereafter, filtration under reduced pressure, washing with water, extrusion granulation, and drying were performed. A part of the sample before surface treatment was taken, X-ray diffraction was carried out, and BET was measured by...

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Abstract

The purpose of the present invention is to provide a resin composition, in which the disadvantage of needle-like basic magnesium sulfate contained therein is overcome, and which has a good balance among mechanical strength, moldability / productivity and appearance of a molded product of the resin composition. The present invention is a resin composition comprising (i) 100 parts by weight of a resin (component (A)), (ii) plate-like magnesium hydroxide having a crystal thickness (y) of 0.2 mum or less and an aspect ratio of 20 to 100 (component (B)), and (iii) needle-like basic magnesium sulfate (component (C)), wherein the total content of the components (B) and (C) is 1 to 100 parts by weight relative to 100 parts by weight of the resin and the weight ratio of the component (B) to the weight of the component is (0.1 to 0.9):(0.9 to 0.1).

Description

technical field [0001] The present invention relates to a resin composition with excellent mechanical strength and good product appearance. More specifically, it relates to a resin composition that contains two types of magnesium compounds, has excellent mechanical strength, and has a good appearance of molded articles. Background technique [0002] In recent years, energy prices have tended to become higher and higher. Therefore, energy saving has become a common topic in a wide range of fields. For example, in the automotive field, one of the means to improve fuel efficiency is to reduce the weight of the vehicle body. This is achieved by substituting a metal with a high specific gravity for a plastic with a low specific gravity. However, in order to achieve this, it is necessary to overcome the elastic modulus (rigidity), heat distortion temperature, heat shrinkage rate, etc., which are weak points of the resin, with an excellent reinforcing agent. [0003] In respons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/00C01F5/00C08K3/12C08K3/30C08K7/04
CPCC08K3/12C08L101/00C08L23/12C01F5/00C08K7/04C08K3/30C01F5/22C01F5/40C09C1/028C01P2004/03C01P2004/10C01P2004/24C01P2004/54C01P2004/61C01P2006/12C01P2004/20B82Y30/00C08K2003/3063C08K2003/2224C08L23/0815C08K3/22
Inventor 大堀康平真锅等工藤大辅宫田茂男
Owner SETOLAS HLDG INC