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Preparation technique of television case

A preparation process, TV technology, applied in the field of home appliance processing, can solve problems such as high melting temperature, difficult processing, molecular rigidity and large steric hindrance

Inactive Publication Date: 2016-06-01
HANGZHOU FUYANG GAOBO INFORMATION TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high molecular rigidity and steric hindrance, the high melting temperature (220--230 ° C) is difficult to process, and it is difficult to produce large thin-walled products, and the residual stress in the product is large, and stress cracking is prone to occur.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A preparation process for a TV casing, comprising the steps of:

[0022] Step 1) weighing raw materials, step 2) preparing modifier A, step 3) preparing modifier B, step 4) preparing modifier C, step 5) preparing modifier D, step 6) preparing main ingredients, Step 7) melting and shaping;

[0023] Specifically, it includes the following steps:

[0024] Step 1) Weigh raw materials:

[0025] Take the following raw materials in parts by weight for subsequent use: 3 parts of polyethylene wax, 2 parts of dimethyl succinate, 1 part of graphite, 1 part of aluminum hydroxide, 1 part of magnesium hydroxide, 2 parts of sepiolite, white oil 5 parts, 8 parts of silicon carbide, 6 parts of silicon nitride, 5 parts of boron nitride, 1 part of glass fiber, 2 parts of tributyl citrate, 3 parts of montmorillonite, 2 parts of lithium bentonite, tetrabutyl titanate 1 part, 50 parts of EPDM rubber, 50 parts of high-density polyethylene, 100 parts of ABS resin;

[0026] Step 2) Prepare ...

Embodiment 2

[0033] The performance test of the TV housing prepared in Example 1 of the present invention, the specific test results and reference standards are shown in Table 1:

[0034] group

Tensile strength (N / mm 2 )

Thermal conductivity (W / (m K))

Volume resistivity×10 -15 (Ω·cm)

Flame retardant UL-94

Example 1

26.9

1.87

2.98

V-0

[0035] 2. Anti-corrosion performance test: soak the test material prepared in Example 1 into 10% sodium chloride solution for 360 hours, and measure the main performance parameters, see Table 2:

[0036] group

Tensile Strength Retention (%)

Thermal conductivity retention rate (%)

Example 1

99.5

99.3

[0037] 3. High temperature resistance performance test: the selected temperature is 120°C, and the test material prepared in Example 1 is placed at this temperature for 30 days for measurement. The test results are shown in Table 3:

[0038] group

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PUM

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Abstract

The invention belongs to the technical field of home appliance processing, and discloses a preparation technique of a television case. The technique comprises the following steps: 1) weighing raw materials; 2) preparing a modifier A; 3) preparing a modifier B; 4) preparing a modifier C; 5) preparing a modifier D; 6) preparing main materials; and 7) melting and setting. The preparation technique is simple and feasible. The prepared case has the advantages of favorable mechanical properties, favorable insulativity and favorable heat dispersion.

Description

technical field [0001] The invention belongs to the technical field of home appliance processing, and in particular relates to a preparation process of a TV casing. Background technique [0002] TV is the most commonly used household appliance. It has been around for nearly a hundred years. According to the signal type, it can be divided into analog TV, digital TV, terrestrial TV (wireless TV), cable TV, satellite TV, mobile TV, Internet TV, and broadband TV. . The structure of the TV is generally divided into three main parts: the signal system, the wiring system and the casing. [0003] Most of the TV casing materials are plastic products, and impact-resistant polystyrene composite materials and PC materials are currently used more. The impact-resistant polystyrene material has the characteristics of excellent mechanical properties and good processing properties, and is especially suitable for those applications that require high comprehensive performance, cost control a...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L23/16C08L23/06C08K13/06C08K9/02C08K7/14C08K5/11C08K3/04C08K3/22C08K3/34C08K3/38C08K5/10
CPCC08K2201/014C08L55/02C08L2201/02C08L2203/02C08L2205/02C08L2205/035C08L2207/062C08L23/16C08L23/06C08K13/06C08K9/02C08K3/346C08K7/14C08K5/11C08K3/04C08K2003/2227C08K2003/2224C08K3/34C08K2003/385C08K5/10
Inventor 孙小荣
Owner HANGZHOU FUYANG GAOBO INFORMATION TECH SERVICE
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