Thermoplastic resin composition and molded article made therefrom

JP7874477B2Active Publication Date: 2026-06-16TEIJIN LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
TEIJIN LTD
Filing Date
2022-08-19
Publication Date
2026-06-16

AI Technical Summary

Benefits of technology

【0154】 本発明の熱可塑性樹脂組成物は、過酷な加工条件下であっても、強度低下が少なくリサイクル性に優れ、かつ難燃性および剛性に優れる熱可塑性樹脂組成物であるため、成形条件が高温となる薄肉軽量化が求められる用途および製品を再度リサイクルして使用する場合等に有用であり、その奏する工業的効果は極めて大である。

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Abstract

To provide a thermoplastic resin composition that exhibits minimal strength deterioration and enhanced recyclability, even under harsh processing conditions, while also offering superior flame retardancy and rigidity, and a molded article comprising the same.SOLUTION: A thermoplastic resin composition comprises (A) a thermoplastic resin (A component) 100 pts.wt., (B) a phosphonate with an acid value of 0.01-0.30 mgKOH / g (B component) 0.001-1 pt.wt. and (C) an inorganic filler (C component) 1-150 pts.wt.SELECTED DRAWING: None
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Claims

1. A thermoplastic resin composition comprising: (A) 100 parts by weight of at least one thermoplastic resin (component A) selected from the group consisting of (A-1) polycarbonate resin (component A-1) and (A-2) ABS resin (component A-2), (B) 0.001 to 1 part by weight of a phosphonic acid ester (component B) having an acid value of 0.01 to 0.30 mgKOH / g, and (C) 1 to 150 parts by weight of an inorganic filler (component C).

2. The thermoplastic resin composition according to claim 1, wherein the content of component A-1 is 40 to 100 parts by weight per 100 parts by weight of component A.

3. The thermoplastic resin composition according to claim 1 or 2, wherein component C is at least one inorganic filler selected from the group consisting of (C-1) glass fiber (component C-1), (C-2) plate-like glass filler (component C-2), (C-3) fibrous carbon filler (component C-3), (C-4) non-fibrous carbon filler (component C-4), and (C-5) silicate mineral (component C-5).

4. The thermoplastic resin composition according to claim 1 or 2, wherein component B is triethylphosphonoacetate.

5. The thermoplastic resin composition according to claim 1 or 2, wherein (D) flame retardant (component D) is contained in an amount of 0.01 to 25 parts by weight per 100 parts by weight of component A.

6. The thermoplastic resin composition according to claim 1 or 2, comprising 0.05 to 3 parts by weight of (E) a drip inhibitor (component E) per 100 parts by weight of component A.

7. A molded article comprising the thermoplastic resin composition described in claim 1 or 2.