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A high-performance flame-retardant pc/pet alloy material and its preparation method

A technology of alloy material and hindered phenol, which is applied in the field of PC/PET alloy material and its preparation, can solve the problems of appearance, processing performance and mechanical performance decline, and achieve the effect of good appearance, simple process and price advantage

Active Publication Date: 2016-04-20
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some cases, there are not only requirements on the mechanical properties and flame retardant properties of materials, but also stricter requirements on electrical properties (such as tracking, etc.) (flame retardant V-0 level, glow wire Ignition temperature ≥ 775 ℃, tracking index ≥ 275V, etc.), making many PC alloys unable to meet its requirements, thus limiting its application in some fields
Although many existing PC alloy materials meet the flame retardancy and mechanical properties, it is difficult to meet the requirements of glow wire ignition temperature and tracking index at the same time; or after reaching the requirements of glow wire ignition temperature and tracking index, The appearance, processing performance and mechanical properties will be greatly reduced

Method used

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  • A high-performance flame-retardant pc/pet alloy material and its preparation method
  • A high-performance flame-retardant pc/pet alloy material and its preparation method
  • A high-performance flame-retardant pc/pet alloy material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] (1) 90 parts of PCIR2200 resin, 2 parts of PETCB-608S resin, 2 parts of toughening agent EM500, 6 parts of flame retardant KBE-2025K, 1 part of transesterification inhibitor TPP, 0.3 part of light and heat stabilizer (antioxidant 1076: Antioxidant 168=1:2, mass ratio) and 0.1 part of lubricant PETS are mixed evenly by high-speed stirring;

[0042] (2) Send the above mixture into a twin-screw extruder, fully melt and compound under the conveying and shearing action of the screw, and then extrude through the machine head, draw, cool and pelletize.

[0043] The temperature of the first zone of the twin-screw extruder is controlled between room temperature and 80°C, and the temperature of the screws in the other sections (from the second zone to the machine head) is controlled at 220-250°C, and the screw speed is 400r / min.

[0044] The prepared compound was injection-molded into a standard sample bar for testing according to the standard size, and the performance test resul...

Embodiment 2

[0046](1) 70 parts of PCIR2200 resin, 14 parts of PETCB-608S resin, 6 parts of toughening agent EM500, 10 parts of flame retardant KBE-2025K, 2 parts of transesterification inhibitor TPP, 0.6 part of light and heat stabilizer (antioxidant 1076: Antioxidant 168=1:2, mass ratio) and 0.5 parts of lubricant PETS are mixed evenly by high-speed stirring;

[0047] (2) Send the above mixture into a twin-screw extruder, fully melt and compound under the conveying and shearing action of the screw, and then extrude through the machine head, draw, cool and pelletize.

[0048] The temperature of the first zone of the twin-screw extruder is controlled between room temperature and 80°C, and the temperature of the screws in the other sections (from the second zone to the head) is controlled between 220 and 250°C, and the screw speed is 400r / min.

[0049] The prepared compound was injection-molded into a standard sample bar for testing according to the standard size, and the performance test r...

Embodiment 3

[0051] (1) 50 parts of PCIR2200 resin, 20 parts of PETCB-608S resin, 10 parts of toughening agent EM500, 20 parts of flame retardant KBE-2025K, 3 parts of transesterification inhibitor TPP, 0.9 part of light and heat stabilizer (antioxidant 1076: Antioxidant 168=1:2, mass ratio) and 1 part of lubricant PETS are mixed evenly by high-speed stirring;

[0052] (2) Send the above mixture into a twin-screw extruder, fully melt and compound under the conveying and shearing action of the screw, and then extrude through the machine head, draw, cool and pelletize.

[0053] The temperature of the first zone of the twin-screw extruder is controlled between room temperature and 80°C, and the temperature of the screws in the other sections (from the second zone to the machine head) is controlled at 220-250°C, and the screw speed is 400r / min.

[0054] The prepared compound was injection-molded into a standard sample bar for testing according to the standard size, and the performance test res...

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Abstract

The invention belongs to the technical field of polymer alloy materials, and relates to a PC / PET alloy material and a preparation method thereof. The material comprises the following components by weight: 50-90 parts of polycarbonate, 2-20 parts of polyethylene terephthalate, 6-20 parts of a flame retardant agent, 2-10 parts of a toughening agent, 1-3 parts of an ester exchange inhibitor, 0.1-1 part of a photo-thermal stabilizer and 0.1-1 part of a lubricant. The invention has advantages of simple and continuous process, high production efficiency and stable product quality; at the same time, the flame retardant system does not involve synergistic flame retardant such as antimonous oxide; the flame retardant properties, heater ignition temperature and tracking index of the alloy material gain balanced improvement; and the alloy material has characteristics of good mechanical properties, good appearance and good processing forming, and can be used for injection molding of a variety of electrical appliances and electrical and electronic products with high electrical performance requirements.

Description

technical field [0001] The invention belongs to the technical field of polymer alloy materials, and relates to a PC / PET alloy material and a preparation method thereof. Background technique [0002] At present, polycarbonate (PC) alloy has been continuously developed, and has a series of advantages such as high performance and low price. However, in some cases, there are not only requirements on the mechanical properties and flame retardant properties of materials, but also stricter requirements on electrical properties (such as tracking, etc.) (flame retardant V-0 level, glow wire Ignition temperature ≥ 775 ℃, tracking index ≥ 275V, etc.), making many PC alloys unable to meet its requirements, thus limiting its application in some fields. Although many existing PC alloy materials meet the flame retardancy and mechanical properties, it is difficult to meet the requirements of glow wire ignition temperature and tracking index at the same time; or after reaching the requireme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L67/02C08L63/00C08K5/03C08K5/3492C08K5/523C08K5/526B29C47/92B29C48/92
CPCB29C48/40B29C48/875B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 杨莺孙利明李术
Owner HEFEI GENIUS NEW MATERIALS
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