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High impact modified polystyrene material for air conditioner inner unit shell and preparation method of material

A polystyrene and air-conditioning internal unit technology, applied in the field of polymer materials, can solve the problems of poor quality of PP material products, restricting long-term development, and easy yellowing of materials, so as to reduce procurement costs, improve processing fluidity, and soften point Improved effect

Inactive Publication Date: 2019-09-13
YIBIN TIANYUAN GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The shell of the air-conditioning inner unit is mainly made of thermoplastics through injection molding process. Domestic products generally use ABS as the main material for injection molding after modification, and Japanese imported products are mainly injection molded with PP modified products; the product quality of PP material is relatively low. Poor, low strength, and ABS modified materials also restrict the long-term development of the industry due to the easy yellowing of the material and the high price

Method used

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  • High impact modified polystyrene material for air conditioner inner unit shell and preparation method of material
  • High impact modified polystyrene material for air conditioner inner unit shell and preparation method of material
  • High impact modified polystyrene material for air conditioner inner unit shell and preparation method of material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A high-impact modified polystyrene air-conditioning inner machine casing material, which is made of the following components in parts by weight:

[0047]

[0048] The internal lubricant is selected from solid paraffin.

[0049] The antioxidant is N, N'-di-β-naphthyl-p-phenylenediamine (DNP).

[0050] Described flame retardant selects Al(OH) 3 , 4ZnO·B 2 o 3 ·H 2 O.

[0051] The stabilizer is selected from 2,6-tertiary butyl-4-methylphenol, didodecyl alcohol ester, bis(3,5-tertiary butyl-4-hydroxyphenyl) sulfide.

[0052] A preparation method of a high-impact modified polystyrene air conditioner inner unit shell material, comprising the following steps:

[0053] 1. Pretreatment

[0054] 1. SiO2 2 : Dry in a blower dryer at 150°C for 30 minutes, and wait for natural cooling to room temperature before use. The main purpose is to remove the water in it;

[0055] 2. Diatomite: Since diatomite contains a lot of water and organic matter, it needs to be dried in a ...

Embodiment 2

[0064] A high-impact modified polystyrene air-conditioning inner machine casing material, which is made of the following components in parts by weight:

[0065]

[0066] The internal lubricant is selected from solid paraffin.

[0067] The antioxidant is N, N'-di-β-naphthyl-p-phenylenediamine (DNP).

[0068] The flame retardant selection 4ZnO·B 2 o 3 ·H 2 O, Mg(OH) 2 .

[0069] The stabilizer is selected from tetrakis[B-(3,5-tertiary butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and trioctyl ester.

[0070] A preparation method of a high-impact modified polystyrene air conditioner inner unit shell material, comprising the following steps:

[0071] 1. Pretreatment

[0072] 1. SiO2 2 : Dry in a blower dryer at 160°C for 30 minutes, and wait for natural cooling to room temperature before use. The main purpose is to remove the moisture;

[0073] 2. Diatomite: Since diatomite contains a lot of water and organic matter, it needs to be dried in a high-temperatur...

Embodiment 3

[0082] A high-impact modified polystyrene air-conditioning inner machine casing material, which is made of the following components in parts by weight:

[0083]

[0084] The internal lubricant is selected from solid paraffin.

[0085] The antioxidant is N, N'-di-β-naphthyl-p-phenylenediamine (DNP).

[0086] Described flame retardant selects Mg(OH) 2 、Al(AC) 2 .

[0087] Described stabilizing agent is selected from diphenylamine, dihydroquinoline.

[0088] A preparation method of a high-impact modified polystyrene air conditioner inner unit shell material, comprising the following steps:

[0089] 1. Pretreatment

[0090] 1. SiO2 2 : Dry in a blower dryer at 180°C for 40 minutes, and wait for natural cooling to room temperature before use. The main purpose is to remove the moisture;

[0091] 2. Diatomite: Since diatomite contains a lot of water and organic matter, it needs to be dried in a high-temperature oven at 480°C for 160 minutes, and it will be used after coolin...

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Abstract

The invention belongs to the field of polymer materials, and particularly discloses a high impact modified polystyrene material for an air conditioner inner unit shell and a preparation method of thematerial. The material is prepared from the following components, in parts by weight: high impact polystyrene, vinylon short fibers, SiO2, diatomaceous earth, an internal lubricant, an antioxidant, aflame retardant and a stabilizer. According to the method provided by the invention, through the interaction of the above formula, the hardness of the high impact modified polystyrene material prepared by the method is improved; the processing fluidity is improved; the tensile strength and the impact strength are improved; the flame retardance of the composite modified material is improved from aprevious level of HB to a V-1 level; the softening point is improved, and the tolerable temperature is improved; and at the same time, the raw material procurement costs are reduced and the energy consumption during processing is reduced.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a high-impact modified polystyrene resin material and a preparation method thereof. Background technique [0002] Polystyrene (PS) has the characteristics of good transparency, high hardness, and easy molding and processing; however, it is prone to brittle fracture and is subject to relatively large constraints in use. In order to increase its performance and improve its brittle fracture, through polymerization Butadiene rubber is added in the process to increase its toughness. HIPS is a rubber-modified polystyrene developed in 1950, that is, high-impact polystyrene. The main purpose of the initial research was to solve the problem of high impact brittleness of PS, and then formed an independent variety of PS series products; HIPS is developed on the basis of PS, and this product is produced by adding rubber to polystyrene substrates to produce various grad...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L29/14C08L91/06C08K13/04C08K3/36C08K7/26C08K3/22C08K3/38C08K5/098
CPCC08K2003/2224C08K2003/2227C08K2003/2296C08K2201/006C08L51/04C08L2201/02C08L2201/08C08L2205/03C08L2205/16C08L29/14C08L91/06C08K13/04C08K3/36C08K7/26C08K3/22C08K3/38C08K5/098
Inventor 李剑伟侯天武段克非冷波
Owner YIBIN TIANYUAN GRP CO LTD
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