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Polyamide resin composition, method for producing said polyamide resin composition and molded article obtained using said polyamide resin composition

A technology of polyamide resin and composition, which is applied in the field of polyamide resin composition, can solve problems such as increased density of polyamide resin composition, and achieve the effect of excellent flexural modulus of elasticity and high utilization value

Inactive Publication Date: 2015-03-18
UNITIKA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in JP2009-35591A, since the fine fiber magnesium silicate is used, there is a problem that the density of the polyamide resin composition increases

Method used

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  • Polyamide resin composition, method for producing said polyamide resin composition and molded article obtained using said polyamide resin composition
  • Polyamide resin composition, method for producing said polyamide resin composition and molded article obtained using said polyamide resin composition
  • Polyamide resin composition, method for producing said polyamide resin composition and molded article obtained using said polyamide resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0138]105 parts by mass (P-1), 50 parts by mass (C-1), and 0.1 parts by mass (D-1) were melt-kneaded. It is process (iii). A twin-screw extruder (manufactured by Toshiba Machine Co., Ltd., trade name "TEM37BS") was used for melt kneading. The temperature of melt kneading was 270°C. The obtained polyamide resin composition was evaluated. The evaluation results are shown in Table 2.

[0139] [Table 2]

[0140]

Embodiment 2

[0142] 105 parts by mass (P-1), 50 parts by mass (C-1), and 2 parts by mass (D-1) were melt-kneaded. It is process (iii). The above-mentioned twin-screw extruder was used for melt kneading. The temperature of melt kneading was 270°C. The obtained polyamide resin composition was evaluated. The evaluation results are shown in Table 2.

Embodiment 3

[0144] 105 parts by mass (P-1), 50 parts by mass (C-1), and 0.1 parts by mass (D-2) were melt-kneaded. It is process (iii). The above-mentioned twin-screw extruder was used for melt kneading. The temperature of melt kneading was 270°C. The obtained polyamide resin composition was evaluated. The evaluation results are shown in Table 2.

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Abstract

Disclosed is a polyamide resin composition containing 100 parts by mass of a polyamide resin, 0.5 - 20 parts by mass hectorite, 15 - 200 parts by mass of a fibrous reinforcing material and 0.01 - 3 parts by mass of a silane coupling agent. The polyamide resin composition is characterized by the size of the hectorite being an average thickness of 1 - 10 nm and an average length on the short side of 25 - 100 nm, and the proportion of the average length on the long side and the average length on the short side being average length on long side / average length on short side = 1.5 - 5. The polyamide resin composition is further characterized by the average distance between particles of the hectorite therein being 10 - 200 nm.

Description

technical field [0001] The present invention relates to a polyamide resin composition, a method for producing the polyamide resin composition, and a molded article obtained by using the polyamide resin composition. Background technique [0002] Conventionally, for the purpose of improving the strength and rigidity of polyamide resins, studies have been conducted to obtain reinforced polyamide resins by blending inorganic fillers. Among them, for the purpose of imparting strength and rigidity to the polyamide resin composition, studies have been made to reinforce the polyamide resin composition by including a fibrous reinforcing material. However, the density of the above-mentioned fibrous reinforcing material is generally larger than that of polyamide resin. Therefore, as the amount of the fibrous reinforcement used in the polyamide resin composition increases to increase the tensile strength and flexural modulus (rigidity), the density also increases. In fields requiring ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/00C08J3/20C08K3/34C08K5/54C08K7/04
CPCC08K5/54C08J2477/06C08J3/20C08J2477/02C08L77/06C08L77/02C08K3/346C08K5/544C08K7/02C08K7/14C08K2201/016C08K2201/004
Inventor 迎弘文
Owner UNITIKA LTD