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Dispersant for additive for polyolefin resin, polyolefin resin composition, and molded article

A polyolefin-based resin and additive technology, applied in the field of polyolefin-based resin compositions, can solve problems such as uneven coloring, insufficient dispersion of additives, and insufficient performance of additive functions, and achieve the goal of improving dispersion and adding effects Effect

Inactive Publication Date: 2013-02-13
MITSUBISHI CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the pigment is not uniformly dispersed in the olefin resin, there is a problem that the coloring becomes uneven
[0011] In this way, various additives that are polar components are used for olefin resins that are non-polar resins, but the dispersibility of these additives is insufficient, and as a result, the original function of the additives cannot be fully exhibited.

Method used

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  • Dispersant for additive for polyolefin resin, polyolefin resin composition, and molded article
  • Dispersant for additive for polyolefin resin, polyolefin resin composition, and molded article
  • Dispersant for additive for polyolefin resin, polyolefin resin composition, and molded article

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0136] Hereinafter, the present invention will be specifically described by way of examples, but the present invention is not limited to these examples. In addition, "parts" and "%" in an Example represent "parts by mass" and "% by mass".

[0137] (1) Mass average molecular weight

[0138] The molecular weight was measured using a gel permeation chromatography (GPC) using the tetrahydrofuran-soluble content of the alkyl methacrylate polymer as a sample.

[0139] The measurement conditions of GPC are as follows, and the mass average molecular weight was calculated|required from the calibration curve based on standard polystyrene.

[0140] Device: "HLC8220" manufactured by Tosoh Co., Ltd.

[0141] Column: "TSKgel SuperMultipore HZ-H" manufactured by Tosoh Co., Ltd. (inner diameter 4.6 mm x length 15 cm x 2, exclusion limit 4 x 10 7 (presumption))

[0142] Eluent: THF

[0143] Eluent flow rate: 0.35ml / min

[0144] Measuring temperature: 40°C

[0145] Sample injection volum...

preparation example 2～8

[0201] As described in Table 1, except having changed the composition of a monomer component, and a chain transfer amount, it carried out similarly to Preparation Example 1, and obtained the alkyl methacrylate type polymer powder.

[0202] The obtained alkyl methacrylate polymer powders were used as dispersants (A2) to (A8).

preparation example 9

[0203] [Preparation Example 9] Preparation of masterbatch (M1)

[0204] Mix 10 parts of dispersant (A2) and 70 parts of phosphate-based flame retardant (B2) "ADK STAB FP-2100J" (trade name, manufactured by ADEKA Co., Ltd.) by hand mixing, and use feeder 1 (machine The model name "CE-T-1 type" (manufactured by Kubota Co., Ltd.) was used to feed the mixture to the extruder at a rate of 4.8kg / hr. In addition, feeder 2 (model name "ALS-254" ( Sangyo Electromechanical Co., Ltd.), the polypropylene resin "NOVATEC PP FY-4" (manufactured by Japan POLYPRO Co., Ltd., melt flow rate 5g / 10min) was supplied to the extruder at a rate of 1.2kg / hr. Extrusion machine use Co-rotating twin-screw extruder (model name "TEM-26SS" (manufactured by Toshiba Machine Co., Ltd.), L / D=64.6), melted and kneaded under the conditions of screw rotation speed 200 rpm and barrel temperature 180°C , to obtain the masterbatch (M1). The composition ratio of the obtained masterbatch (M1) was flame retardant (B2...

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Abstract

Disclosed is a versatile dispersant for an additive for olefin resins. The dispersant (A) for an additive (B) for polyolefins contains an alkyl methacrylate polymer which comprises an alkyl methacrylate (a1) unit having an alkyl group with a carbon number of at least 2 as the main component, and which has a mass average molecular weight of 15,000 - 145,000.

Description

technical field [0001] The present invention relates to a dispersant of an additive for polyolefin resin, a polyolefin resin composition containing the dispersant, an additive for polyolefin resin, and a polyolefin resin, and a polyolefin resin composition formed by molding the polyolefin resin composition. obtained molded body. Background technique [0002] In recent years, olefin-based resins such as polyethylene, polypropylene, and polybutene have become one of the most widely used general-purpose resins in the fields of automobiles and home appliances due to their basic physical properties of light weight and high rigidity. In addition, olefin resins are being used in the form of various additives in the context of diversification and high functionality of the demand for olefin resins. [0003] For example, various flame retardants are added to olefin-based resin materials due to increasing demands for flame retardancy of olefin-based resins. In particular, phosphorus-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/00B01F17/52C08J3/22C08K3/00C08K5/00C08L33/10C09K23/52
CPCC08K5/0008C08L33/10B01F17/0028C08J3/22C08J2423/00C08J3/226C08F20/18C08J2433/00C08L23/0869C08J9/04C08L33/00C09K23/00C08L23/00
Inventor 平井慎也木浦正明笠井俊宏村上祥子松井佑树
Owner MITSUBISHI CHEM CORP