阅读说明：本技术 汽车风管材料、汽车风管和汽车 (Automobile air duct material, automobile air duct and automobile ) 是由 汪莉 赵海英 李雪 安林林 于 2021-11-01 设计创作，主要内容包括：本申请公开了一种汽车风管材料、汽车风管和汽车,汽车风管材料包括：聚乙烯100重量份,发泡剂0.1-2重量份,抗菌剂0.3-0.5重量份,分散剂0.2-0.4重量份,抗氧剂0.2-0.6重量份。本申请的汽车风管材料,能够制备出环保低气味、抗菌健康、轻量化的汽车风道,材料选用低气味高密度聚乙烯树脂,减少了材料自身和加工过程中挥发性有机化合物的释放,降低了材料的气味,抗菌剂能够更好的起到抗菌效果,通过上述材料制备的风管发泡均匀孔径小,泡孔无塌陷,产品表观光滑,尺寸稳定性好,且具有隔音降噪隔热性能,减少胶黏剂和海绵的包覆工序,满足了主机厂对风管产品的散发性要求,还能降低辅料材料人工等成本,减少对驾驶员和车内乘客的身体健康的影响。(The application discloses car tuber pipe material, car tuber pipe and car, car tuber pipe material includes: 100 parts of polyethylene, 0.1-2 parts of foaming agent, 0.3-0.5 part of antibacterial agent, 0.2-0.4 part of dispersing agent and 0.2-0.6 part of antioxidant. The utility model provides an automobile air pipe material, can prepare out the low smell of environmental protection, it is antibiotic healthy, lightweight automobile air duct, low-odor high density polyethylene resin is chooseed for use to the material, the release of volatile organic compound in material self and the course of working has been reduced, the smell of material has been reduced, the antibacterial agent can be better play antibacterial effect, the even aperture of tuber pipe foaming of preparing through above-mentioned material is little, the bubble does not have and sinks, the product appearance is smooth, dimensional stability is good, and have the heat-proof quality of making an uproar that falls that gives sound insulation, reduce the cladding process of gluing agent and sponge, the diffusion nature requirement of host computer factory to the tuber pipe product has been satisfied, can also reduce auxiliary material cost such as manual work, reduce the influence to driver and interior passenger's of car healthy.)

1. An automotive air duct material, comprising:

100 parts by weight of polyethylene;

0.1-2 parts of foaming agent;

0.3-0.5 weight part of antibacterial agent;

0.2 to 0.4 weight portion of dispersant;

0.2 to 0.6 weight portion of antioxidant.

2. The material according to claim 1, wherein the polyethylene has a melt index of 10 to 30g/10 min.

3. The material of claim 1, wherein the blowing agent is an inorganic blowing agent.

4. The material of claim 1, wherein the antimicrobial agent comprises chitosan, nano titanium dioxide, and nano silver oxide.

5. The material of claim 4, wherein the antibacterial agent comprises chitosan, nano titanium dioxide and nano silver oxide at a mass ratio of 2:1: 1.

6. The material of claim 1, wherein the dispersant comprises one or more of stearic acid, polyethylene wax, liquid paraffin.

7. The material of claim 1, wherein the antioxidant comprises a hindered phenolic antioxidant and a phosphite antioxidant.

8. A preparation method of an automobile air pipe is characterized by comprising the following steps:

mixing the material of any one of claims 1-7 to obtain a mixture;

and adding the mixture into a double-screw extruder, performing extrusion granulation at the temperature of 150-200 ℃, and performing blow molding to a mold to obtain the automobile air pipe.

9. An automotive air duct, characterized by being produced using the material according to any one of claims 1 to 7.

10. An automobile comprising the automotive air duct of claim 9.

Technical Field

The application relates to the technical field of automobiles, in particular to an automobile air pipe material, an automobile air pipe and an automobile.

Background

The automobile air pipe is one of the important component parts of an automobile air conditioning system, the air conditioning air pipe often produces condensed water due to the large temperature difference between the inside and the outside, the inside forms a humid environment to cause bacterial breeding, micromolecular compounds are easy to volatilize with higher speed during heating, and the automobile air pipe has odor and seriously harms the health of drivers and passengers in the automobile.

Disclosure of Invention

The purpose of this application embodiment is to provide an automobile air duct material, automobile air duct and car for solve the easy smell that produces of tuber pipe material, breed the bacterium, cause the problem of influence to human health.

In order to solve the technical problem, the following technical scheme is adopted in the application:

in a first aspect, an embodiment of the present application provides an automotive air duct material, including:

100 parts by weight of polyethylene;

0.1-2 parts of foaming agent;

0.3-0.5 weight part of antibacterial agent;

0.2 to 0.4 weight portion of dispersant;

0.2 to 0.6 weight portion of antioxidant.

Wherein the melt index of the polyethylene is 10-30 g/10 min.

Wherein the foaming agent is an inorganic foaming agent.

Wherein the antibacterial agent comprises chitosan, nano titanium dioxide and nano silver oxide.

Wherein the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide in the antibacterial agent is 2:1: 1.

Wherein the dispersant comprises one or more of stearic acid, polyethylene wax and liquid paraffin.

Wherein the antioxidant comprises hindered phenol antioxidant and phosphite antioxidant.

In a second aspect, an embodiment of the present application provides a method for manufacturing an automotive air duct, including:

mixing the materials described in the above examples to obtain a mixture;

and adding the mixture into a double-screw extruder, performing extrusion granulation at the temperature of 150-200 ℃, and performing blow molding to a mold to obtain the automobile air pipe.

In a third aspect, embodiments of the present application provide an automotive air duct, which is prepared by using the materials described in the above embodiments.

In a fourth aspect, embodiments of the present application provide an automobile, including the automobile air duct described in the foregoing embodiments.

An automotive air duct material according to the present application comprises: 100 parts of polyethylene, 0.1-2 parts of foaming agent, 0.3-0.5 part of antibacterial agent, 0.2-0.4 part of dispersing agent and 0.2-0.6 part of antioxidant. According to the automobile air duct material, an environment-friendly low-odor, antibacterial healthy and lightweight automobile air duct can be prepared, low-odor high-density polyethylene resin is selected for the material, the release of volatile organic compounds in the material and the processing process is reduced, the VOC and the odor of the material are reduced, the antibacterial agent can play a better antibacterial effect, and the basic mechanical property of the material is also ensured. Simultaneously, the even aperture of tuber pipe foaming through above-mentioned material preparation is little, and the bubble does not have and sinks, and the product appearance is smooth, and dimensional stability is good, and has the heat-proof quality of making an uproar that falls that gives sound insulation, reduces the cladding process of gluing agent and sponge to reduce the VOC of auxiliary material and give off, satisfied the sporadic requirement of host computer factory to the tuber pipe product, can also reduce auxiliary material cost such as artifical, reduce the influence to driver and interior passenger's of car healthy.

Detailed Description

The technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The automobile air duct material provided by the embodiment of the application comprises: 100 parts of polyethylene, 0.1-2 parts of foaming agent, 0.3-0.5 part of antibacterial agent, 0.2-0.4 part of dispersing agent and 0.2-0.6 part of antioxidant. The utility model provides an automobile air pipe material can prepare out the low smell of environmental protection, antibiotic healthy, lightweight car wind channel, and low-smell high density polyethylene resin is chooseed for use to the material, has reduced the release of material self and volatile organic compound in the course of working, has reduced the VOC and the smell of material, and the antibacterial agent can be better play antibiotic effect, has also guaranteed the basic mechanical properties of material. Simultaneously, the even aperture of tuber pipe foaming through above-mentioned material preparation is little, and the bubble does not have and sinks, and the product appearance is smooth, and dimensional stability is good, and has the heat-proof quality of making an uproar that falls that gives sound insulation, reduces the cladding process of gluing agent and sponge to reduce the VOC of auxiliary material and give off, satisfied the sporadic requirement of host computer factory to the tuber pipe product, can also reduce auxiliary material cost such as artifical, reduce the influence to driver and interior passenger's of car healthy.

In some embodiments, the polyethylene may have a melt index of 10 to 30g/10 min. The polyethylene can be a high density polyethylene with an odor rating of less than or equal to 3.5, reducing odor.

In other embodiments, the foaming agent may be an inorganic foaming agent, for example, the foaming agent may be a sodium bicarbonate foaming agent, the foaming agent is an inorganic sodium bicarbonate foaming agent, and only carbon dioxide, water and sodium carbonate are generated during the foaming process, so that generation of amine substances with pungent odor from an azo organic foaming agent is avoided.

In an embodiment of the present application, the antibacterial agent may include chitosan, nano titanium dioxide, and nano silver oxide. For example, the antibacterial agent has the advantages that the mass ratio of chitosan to nano titanium dioxide to nano silver oxide can be 2:1:1, and the antibacterial effect is good.

In the embodiment of the present application, the dispersing agent may include one or more of stearic acid, polyethylene wax, and liquid paraffin, for example, the dispersing agent may be polyethylene wax, which enhances the dispersing effect and reduces the influence on the performance of the material.

In some embodiments, the antioxidant may include a hindered phenol antioxidant and a phosphite antioxidant, the mass ratio of the hindered phenol antioxidant to the phosphite antioxidant may be 1:2, and the antioxidant effect of the composite antioxidant is good.

The embodiment of the application provides a preparation method of an automobile air pipe, which comprises the following steps:

mixing the materials described in the above examples to obtain a mixture;

and adding the mixture into a double-screw extruder, performing extrusion granulation at the temperature of 150-200 ℃, and performing blow molding to a mold to obtain the automobile air pipe. The air pipe prepared from the materials in the embodiment has the advantages of good performance, low smell, difficulty in breeding bacteria and small influence on human health.

The embodiment of the application provides an automobile air pipe, which is prepared from the materials in the embodiment. The air pipe prepared from the materials in the embodiment has the advantages of good performance, low smell, difficulty in breeding bacteria and small influence on human health.

The embodiment of the application provides an automobile, which comprises the automobile air pipe in the embodiment. The air pipe has good performance and low smell, is not easy to breed bacteria, and has small influence on the health of human bodies.

The present application is further described below with reference to specific examples.

Example 1

Weighing the following materials: 100 parts of high-density polyethylene, 1 part of foaming agent, 0.4 part of antibacterial agent, 0.3 part of dispersing agent and 0.4 part of antioxidant; wherein the high-density polyethylene resin has a melt index of 20g/10min, a smell grade of less than or equal to 3.5 grade, and a foaming agent is a sodium bicarbonate foaming agent; the antibacterial agent is a mixture consisting of chitosan, nano titanium dioxide and nano silver oxide, the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide is 2:1:1, the dispersing agent is stearic acid, the antioxidant is a hindered phenol antioxidant and phosphite ester antioxidant composite antioxidant, and the mass ratio of the hindered phenol antioxidant to the phosphite ester antioxidant is 1: 2;

uniformly mixing high-density polyethylene, a foaming agent, an antibacterial agent, a dispersing agent and an antioxidant, and adding the mixture into a double-screw extruder for mixing to obtain a mixture;

and blowing the mixture in the molten state into a mold to obtain the automobile air duct.

Example 2

Weighing the following materials: 100 parts of high-density polyethylene, 1 part of foaming agent, 0.4 part of antibacterial agent, 0.3 part of dispersing agent and 0.4 part of antioxidant; wherein the high-density polyethylene resin has a melt index of 30g/10min, a smell grade of less than or equal to 3.5 grade, and a foaming agent is a sodium bicarbonate foaming agent; the antibacterial agent is a mixture consisting of chitosan, nano titanium dioxide and nano silver oxide, the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide is 2:1:1, the dispersing agent is stearic acid, the antioxidant is a hindered phenol antioxidant and phosphite ester antioxidant composite antioxidant, and the mass ratio of the hindered phenol antioxidant to the phosphite ester antioxidant is 1: 2;

uniformly mixing high-density polyethylene, a foaming agent, an antibacterial agent, a dispersing agent and an antioxidant, and adding the mixture into a double-screw extruder for mixing to obtain a mixture;

and blowing the mixture in the molten state into a mold to obtain the automobile air duct.

Example 3

Weighing the following materials: 100 parts of high-density polyethylene, 1.5 parts of foaming agent, 0.4 part of antibacterial agent, 0.3 part of dispersing agent and 0.4 part of antioxidant; wherein the high-density polyethylene resin has a melt index of 20g/10min, a smell grade of less than or equal to 3.5 grade, and a foaming agent is a sodium bicarbonate foaming agent; the antibacterial agent is a mixture consisting of chitosan, nano titanium dioxide and nano silver oxide, the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide is 2:1:1, the dispersing agent is polyethylene wax, the antioxidant is a hindered phenol antioxidant and phosphite antioxidant composite antioxidant, and the mass ratio of the hindered phenol antioxidant to the phosphite antioxidant is 1: 2;

uniformly mixing high-density polyethylene, a foaming agent, an antibacterial agent, a dispersing agent and an antioxidant, and adding the mixture into a double-screw extruder for mixing to obtain a mixture;

and blowing the mixture in the molten state into a mold to obtain the automobile air duct.

Example 4

Weighing the following materials: 100 parts of high-density polyethylene, 1 part of foaming agent, 0.5 part of antibacterial agent, 0.3 part of dispersing agent and 0.4 part of antioxidant; wherein the high-density polyethylene resin has a melt index of 20g/10min, a smell grade of less than or equal to 3.5 grade, and a foaming agent is a sodium bicarbonate foaming agent; the antibacterial agent is a mixture consisting of chitosan, nano titanium dioxide and nano silver oxide, the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide is 2:1:1, the dispersing agent is polyethylene wax, the antioxidant is a hindered phenol antioxidant and phosphite antioxidant composite antioxidant, and the mass ratio of the hindered phenol antioxidant to the phosphite antioxidant is 1: 2;

uniformly mixing high-density polyethylene, a foaming agent, an antibacterial agent, a dispersing agent and an antioxidant, and adding the mixture into a double-screw extruder for mixing to obtain a mixture;

and blowing the mixture in the molten state into a mold to obtain the automobile air duct.

Example 5

Weighing the following materials: 100 parts of high-density polyethylene, 2 parts of foaming agent, 0.3 part of antibacterial agent, 0.2 part of dispersing agent and 0.6 part of antioxidant; wherein the high-density polyethylene resin has a melt index of 20g/10min, a smell grade of less than or equal to 3.5 grade, and a foaming agent is a sodium bicarbonate foaming agent; the antibacterial agent is a mixture consisting of chitosan, nano titanium dioxide and nano silver oxide, the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide is 2:1:1, the dispersing agent is polyethylene wax, the antioxidant is a hindered phenol antioxidant and phosphite antioxidant composite antioxidant, and the mass ratio of the hindered phenol antioxidant to the phosphite antioxidant is 1: 2;

uniformly mixing high-density polyethylene, a foaming agent, an antibacterial agent, a dispersing agent and an antioxidant, and adding the mixture into a double-screw extruder for mixing to obtain a mixture;

and blowing the mixture in the molten state into a mold to obtain the automobile air duct.

Example 6

Weighing the following materials: 100 parts of high-density polyethylene, 2 parts of foaming agent, 0.3 part of antibacterial agent, 0.4 part of dispersing agent and 0.2 part of antioxidant; wherein the high-density polyethylene resin has a melt index of 10g/10min, a smell grade of less than or equal to 3.5 grade, and the foaming agent is a sodium bicarbonate foaming agent; the antibacterial agent is a mixture consisting of chitosan, nano titanium dioxide and nano silver oxide, the mass ratio of the chitosan to the nano titanium dioxide to the nano silver oxide is 2:1:1, the dispersing agent is polyethylene wax, the antioxidant is a hindered phenol antioxidant and phosphite antioxidant composite antioxidant, and the mass ratio of the hindered phenol antioxidant to the phosphite antioxidant is 1: 2;

uniformly mixing high-density polyethylene, a foaming agent, an antibacterial agent, a dispersing agent and an antioxidant, and adding the mixture into a double-screw extruder for mixing to obtain a mixture;

and blowing the mixture in the molten state into a mold to obtain the automobile air duct.

The properties of the automotive air ducts obtained in the above examples 1 to 6 are shown in table 1 below.

TABLE 1 Performance of automotive air ducts

The performances of the automobile air pipes obtained in the embodiments 1 to 6 are subjected to performance characterization, so that the performances of the automobile air pipes under different conditions are obtained. As can be seen from table 1, the automobile air duct of the embodiment of the present application reduces the release of volatile organic compounds from the material itself and during the processing, and reduces VOC and odor of the material; the selected foaming agent is an inorganic sodium bicarbonate foaming agent, only carbon dioxide, water and sodium carbonate are generated in the foaming process, and amine substances with pungent odor are prevented from being generated by the azo organic foaming agent; the selected antibacterial agent is an inorganic nano antibacterial agent, so that the antibacterial effect can be better achieved, and the basic mechanical property of the material is also ensured. Simultaneously, the prepared micro-foaming air duct has the advantages of light weight, small uniform pore diameter of foaming, no collapse of pores, smooth product appearance, good dimensional stability, sound insulation, noise reduction and heat insulation performance, and reduction of coating processes of adhesives and sponges, so that VOC emission of auxiliary materials is reduced, emission standard requirements of a host factory on air duct products are met, labor cost and other costs of auxiliary material materials can be reduced, and influence on human health is reduced.

While the present application has been described with reference to exemplary embodiments thereof, it is to be understood that the present application is not limited to the disclosed embodiments, which are presented by way of illustration rather than of limitation, and that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present application as defined by the appended claims.