ABS flame-retardant composite material prepared by using acrylic artificial stone waste materials and preparation method thereof

A flame-retardant composite material and acrylic technology, which is applied in the field of flame-retardant materials, can solve the problems of affecting the absorption of moisture and nutrients of crops, crop production reduction, and difficult to degrade, etc., so as to achieve easy industrial production implementation and popularization and application, good economy and society Significance, the effect of improving flame retardant performance

Pending Publication Date: 2019-07-12

CHANGZHOU VOCATIONAL INST OF ENG

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Problems solved by technology

[0005] At present, landfill is the main treatment method for acrylic artificial stone waste powder, but landfill occupies limited cultivated land, which is a serious waste of the country's limited land resources. The resin is stable in nature and difficult to degrade after landfill. If they stay in the ...

Method used

As can be seen from Table 1, the tensile strength, flexural strength, notch impact strength and flame retardant performance of embodiment 1~4 are all better than comparative examples 1~4, namely show that a large amount of hydrogen contained in the acrylic artificial stone waste powder Alumina compounded phosphate ester flame retardant has excellent synergistic flame retardant effect, which ensures the excellent flame retardant perfor...

Abstract

The invention discloses an ABS flame-retardant composite material prepared by using acrylic artificial stone waste materials and a preparation method thereof. The ABS flame-retardant composite material comprises (by weight): 100 parts of dry ABS resin, 5-40 parts of modified acrylic artificial stone waste powder, 4-10 parts of a compatilizer, 5-25 parts of a flame retardant, 0.5-1 part of a lubricant and 0.5-1 part of an antioxidant. The modified acrylic artificial stone waste powder is obtained after acrylic artificial stone waste powder undergoes surface treatment by using a coupling agent.It is ensured that the ABS composite material has excellent flame retardant property and mechanical properties. According to the ABS flame-retardant composite material, latent resource attributes of acrylic artificial stone waste materials are fully utilized, and the problem of solid wastes generated by acrylic artificial stone waste materials is solved. The ABS flame-retardant composite materialhas good economic and social meaning. The preparation method comprises the following steps: pretreatment of raw materials, premixing of raw materials, and preparation of the ABS flame-retardant composite material. The preparation method has simple operation steps, has strong practicality, and is easy for industrial implementation and promotion and application.

Technology Topic

Pre treatmentAntioxidant +7

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Examples

Experimental program(4)
Comparison scheme(4)
Effect test(1)

Example Embodiment

[0029] Example 1

[0030] (1) The preparation of modified acrylic artificial stone waste powder includes the following steps:

[0031] T1: The configuration of the titanate coupling agent solution. The titanate coupling agent and absolute ethanol are prepared into the titanate coupling agent solution at a mass ratio of 1:5;

[0032] T2: Preparation of acrylic artificial stone waste powder. The acrylic artificial stone waste is added to a ball mill to grind and refine. After grinding, it is sieved through a 200-mesh standard sieve to obtain acrylic artificial stone waste powder. min, grinding time is 1h~1.5h;

[0033] T3: Preparation of acrylic artificial stone waste powder dispersion. In step T2, the acrylic artificial stone waste powder is placed in a dispersion container filled with deionized water and sonicated for 1 hour to obtain acrylic artificial stone waste powder dispersion. The mass ratio of stone waste powder to deionized water is 1:20;

[0034] T4: Preparation of modified acrylic artificial stone waste powder. The acrylic artificial stone waste powder dispersion is heated to 45°C, and a certain amount of titanate coupling agent solution prepared in step T1 is added to the acrylic artificial stone waste powder dispersion. Stir for 1h, cool to room temperature, and filter to obtain modified acrylic artificial stone waste powder agglomerates. The modified acrylic artificial stone waste powder agglomerates are dried at 80°C for 24 hours and ground to obtain modified acrylic artificial stone waste powder. , Wherein the mass ratio of titanate coupling agent solution to acrylic artificial stone waste powder is 1:50.

[0035] (2) Using acrylic artificial stone waste powder to prepare ABS flame-retardant composite material includes the following steps:

[0036] S1: Raw material pretreatment, put the ABS resin in an oven, and dry it at 80°C for 24 hours to obtain dry ABS resin;

[0037] S2: Raw materials are pre-mixed, 100 parts of dry ABS resin, 20 parts of modified acrylic artificial stone waste powder, 2 parts of compatibilizer SMA-800, 3 parts of compatibilizer ABS-g-MAH, flame retardant resorcinol 7 parts of bis(diphenyl phosphate), 0.5 part of lubricant magnesium stearate and 1681 part of antioxidant were added to the high-speed mixer in turn, stirred and mixed for 13 minutes to obtain a raw material mixture;

[0038] S3: Preparation of ABS flame-retardant composite material. The raw material mixture in step S2 is added to a twin-screw extruder, followed by melt extrusion, cooling, drying and pelletizing to obtain ABS flame-retardant composite material, where the extrusion temperature is 210~220℃.

Example Embodiment

[0039] Example 2

[0040] The difference between Example 2 and Example 1 is that (1) Preparation of modified acrylic artificial stone waste powder. In step T4, the mass ratio of titanate coupling agent solution to acrylic artificial stone waste powder is 1:100; ) Use acrylic artificial stone waste powder to prepare ABS flame-retardant composite material, step S2 raw materials are pre-mixed, 100 parts of dried ABS resin, 30 parts of modified acrylic artificial stone waste powder, 3 parts of compatibilizer SMA-800, and compatibilizer ABS -g-MAH 2 parts, flame retardant bisphenol A bis(diphenyl phosphate) 15 parts, lubricant zinc stearate 0.8 parts and antioxidant 618 0.7 parts were added to the high-speed mixer in turn, stirred and mixed for 10 minutes, Get the raw material mixture.

Example Embodiment

[0041] Example 3

[0042] The difference between Example 3 and Example 1 is that (1) Preparation of modified acrylic artificial stone waste powder, the mass ratio of titanate coupling agent solution to acrylic artificial stone waste powder in step T4 is 1:150; ) Use acrylic artificial stone waste powder to prepare ABS flame-retardant composite materials. In step S2, the raw materials are pre-mixed, 100 parts of dried ABS resin, 40 parts of modified acrylic artificial stone waste powder, 4 parts of compatibilizer SMA-700, and compatibilizer ABS -g-MAH 5 parts, flame retardant triphenyl phosphate 20 parts, lubricant ethylene bisstearic acid amide 0.5 parts, lubricant silicone powder 0.5 parts, antioxidant 168 0.5 parts and antioxidant 1076 0.3 parts Add them to a high-speed mixer one by one, stir and mix for 20 minutes to obtain a raw material mixture.

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Classification and recommendation of technical efficacy words

Improve compatibility
Good mechanical properties

ABS flame-retardant composite material prepared by using acrylic artificial stone waste materials and preparation method thereof

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Problems solved by technology

Method used

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Description & Claims & Application Information

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