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Flame retardant and drip-preventing polypropylene composition as pulling filament with improved softness

A technology of polypropylene resin and polyethylene resin, which is applied in the direction of single-component polypropylene artificial filament, physical therapy, and equipment using electric current, etc., and can solve the problem of hard drawing wire

Inactive Publication Date: 2005-07-27
SUNIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when this polypropylene resin composition for drawn yarn is used to produce drawn yarn, although it has flame retardancy and anti-drip properties, the drawn yarn itself is quite hard, and it cannot be used for wigs, etc., which require special properties. In the use of softness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 100 parts by weight of a homopolypropylene (PP) resin with a melt index (D1238) of 2.0 g / 10 minutes as the base resin, and 20 parts by weight of polyethylene with a melt index (D1238) of 2.0 g / 10 minutes as an additional resin ( PE) resin, 100 parts by weight of calcium carbonate (CaCO 3 ), 10 parts by weight of solvent and common additives were stirred and mixed for 5 minutes. Table 1 shows the main components and the like contained in the resin compositions produced in this embodiment and all of the following Examples and Comparative Examples, etc., and their composition ratios.

[0030] The resulting mixture was melted and extruded using a common extruder to produce pellets, and the physical properties were measured. Table 2 shows the results. Tensile strength (tensile load) and elongation rate are measured by the test method of KS M3001-96, and the flame retardancy is measured by the test method of KS M3030-95 (flame retardancy: 2 grades - excellent, 3 grades - goo...

Embodiment 2

[0033] Except for using 20 parts by weight of ethylene-vinyl acetate (EVA) copolymer resin having a vinyl acetate content of 15% by weight as an additional resin, after stirring and mixing the same components as in Example 1, the resulting mixture was mixed with The pellets were melted and extruded under the same conditions as in Example 1, and their physical properties were measured. The results are shown in Table 2 below. In addition, after producing drawn yarns from the pellets of the obtained resin composition by the same method as in Example 1, the softness of the produced drawn yarns was measured by the same method as in Example 1. The results of the measurement are shown in Table 2 below.

Embodiment 3

[0035] Except for using 20 parts by weight of an ethylene-methyl acrylate (EMA) copolymer resin having an acrylate content of 18% by weight as an additional resin, the same ingredients as in Example 1 were stirred and mixed, and the resulting mixture was used in the same manner as in Example 1. The pellets were melted and extruded under the same conditions as in Example 1, and their physical properties were measured. The results are shown in Table 2 below. In addition, after producing drawn yarns from the pellets of the obtained resin composition by the same method as in Example 1, the softness of the produced drawn yarns was measured by the same method as in Example 1. The results of the measurement are shown in Table 2 below.

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Abstract

The invention relates to a flame-retardancy and drip-preventing polypropylene resion composition having an improved softness and used as a pulling filament, more particular, the invention relates to a flame-retardancy and drip-preventing polypropylene resion composition having an improved softness and used as a pulling filament, comprising polypropylene resion as basic resin, additional resin with a special proportion except for proportion, and low proportion calcium carbonate with a special proportion. The polypropylene resion composition of the invention has excellent flame-retardancy and drip-preventing performance, compared with a pulling filament produced by conventional flame-retardancy and drip-preventing polypropylene resion, the pulling filament produced by using the polypropylene resion composition of the invention has improved softness.

Description

[0001] The technical field to which the invention belongs [0002] The present invention relates to a flame-retardant and anti-dripping polypropylene resin composition for use as drawn yarn with improved softness. In more detail, the present invention relates to a flame-retardant used as drawn yarn with improved softness And a drip-proof polypropylene resin composition comprising a polypropylene resin as a base resin, an additional resin other than polypropylene in a specific proportion, and a low specific gravity calcium carbonate in a specific proportion. Background technique [0003] Polypropylene resins are widely used in the fields of home appliances, building materials, interior materials, automobile parts, and the like because of their excellent processability, chemical resistance, weather resistance, mechanical strength, and the like. Since polypropylene resin is originally a flammable substance, it is generally possible to give polypropylene resin flame retardant prop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12B29C55/00C08K3/26C08L23/06C08L31/04D01F6/06
CPCA61H39/002A61H39/04A61H2201/10A61H2205/125A61N1/36014
Inventor 黄义重
Owner SUNIL
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