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Flame retardant resin composition

A technology of resin composition and flame retardancy, which is applied in the field of flame retardant resin composition, can solve the problems of insufficient improvement effect of leakage index, difficulty in taking into account flame retardancy and electrical characteristics, etc., to achieve improved electrical characteristics, improved resistance Leakage characteristics, effects of improving flame retardancy

Inactive Publication Date: 2008-02-20
POLYPLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even if a halogen-based flame retardant is used in combination with pyrophosphoric acid / polyphosphate, the effect of improving the relative leakage index is insufficient, and it is difficult to balance the flame retardancy and electrical properties

Method used

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  • Flame retardant resin composition
  • Flame retardant resin composition
  • Flame retardant resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～20 and comparative example 1～3

[0215] The above ingredients were mixed according to the proportions (parts by weight) shown in Table 1 and Table 2, kneaded and extruded with an extruder to prepare a granular resin composition. Using the obtained pellets, molded articles for testing were produced by injection molding, and the flammability (1.6 mmt) and leakage resistance characteristics (relative leakage index) were evaluated. The results are shown in Table 1 and Table 2.

[0216] Table 1

[0217] Example

1

2

3

4

5

6

7

8

9

10

11

12

base resin A

parts by weight

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

A-1

100

Halogen flame retardant B

parts by weight

B-1

12

B-1

12

B-1

12

B-1

12

...

Embodiment 21～23 and comparative example 4

[0221] The above components were mixed according to the proportions (parts by weight) shown in Table 3, kneaded and extruded with an extruder to prepare a granular resin composition. Using the obtained pellets, molded articles for testing were produced by injection molding, and the flammability (1.6 mmt) and leakage resistance characteristics (relative leakage index) were evaluated. The results are shown in Table 3.

[0222] table 3

[0223] Example

Embodiment 24～32 and comparative example 5

[0225] The above components were mixed according to the proportions (parts by weight) shown in Table 4, kneaded and extruded with an extruder to prepare a granular resin composition. Using the obtained pellets, molded articles for testing were produced by injection molding, and the flammability (1.6 mmt) and leakage resistance characteristics (relative leakage index) were evaluated. The results are shown in Table 4.

[0226] Table 4

[0227] Example

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Abstract

Disclosed is a resin composition improved in flame retardance and electrical characteristics. Specifically disclosed is a flame retardant resin composition which is improved in electrical characteristics and composed of a base resin, a halogen flame retardant (namely, a bromine-containing flame retardant such as a brominated polybenzyl (meth)acrylate resin or brominated styrene resin), an organic phosphinic acid (such as dialkylphosphinic acid, alkylenephosphinic acid or cycloalkylenephosphinic acid) or a salt thereof (such as a metal salt or a salt with a nitrogen-containing compound having an amino group), and a flame retardant assistant which are different from the base resin (namely, an antimony-containing compound such as an antimony oxide or an antimonate, a fluorine-containing resin, a silicon-containing compound, an aromatic resin and / or a phosphorus-containing compound except for (fused) aminotriazine phosphates). This resin composition may further contain an olefin resin and an electrical characteristics improver assistant. Per 100 parts by weight of the base resin, there may be contained 3-30 parts by weight of a halogen flame retardant, 1-30 parts by weight of an organic phosphinic acid or a salt thereof, and 0.1-30 parts by weight of a flame retardant assistant.

Description

technical field [0001] The present invention relates to a resin composition excellent in flame retardancy and a molded article formed from the flame retardant resin composition. Background technique [0002] Among thermoplastic resins, polyester resins such as polybutylene terephthalate (PBT) and polyamide resins have excellent mechanical properties, electrical properties, weather resistance, water resistance, and chemical resistance. and solvent resistance, so it is used in various applications such as electrical and electronic parts, mechanical structural parts, and automotive parts. On the other hand, the above-mentioned thermoplastic resins are required to have improved mechanical properties along with the expansion of their application fields, and are also required to have flame retardancy from the viewpoint of safety. In general, it is known that a thermoplastic resin is flame-retardant by adding a halogen-based flame retardant or a non-halogen-based flame retardant s...

Claims

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Application Information

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IPC IPC(8): C08L101/00C08K3/18C08K3/34C08K5/03C08K5/5313C08L23/00C08L101/04
CPCC08L23/00C08K5/5313
Inventor 原科初彦
Owner POLYPLASTICS CO LTD
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