阅读说明：本技术 免维护蓄电池外壳用共聚聚丙烯材料的制备方法 (preparation method of co-polypropylene material for maintenance-free storage battery shell ) 是由 李世银 李剑峰 于 2018-06-03 设计创作，主要内容包括：本发明公开了免维护蓄电池外壳用共聚聚丙烯材料的制备方法,所述使用材料均为各企业电池回收料的材料,共聚聚丙烯；58%(铅厂回收的电池外壳),盘锦J340；20%,PP5004；20%,SIS(苯乙烯-异戊乙烯-苯乙烯嵌段共聚物)；2%。本发明是利用报废的电池经过科学处理干净后的电池外壳(共聚聚丙烯材料),经高分子材料改性成型工艺,研发出一种免维护蓄电池专用共聚聚丙烯材料,通过采用同类回收后的外壳材料,经高分子改性后作为研究基础,从而达到利用循环资源以满足免维护蓄电池对塑料外壳的高指标要求,即回收了废电池外壳塑料又生产出一种免维护蓄电池外壳用共聚聚丙烯材料,同时降低了制作成本,也降低了环境污染,并且也方便了国家统一标准的检测。(The invention discloses a preparation method of a co-polypropylene material for a maintenance-free storage battery shell, wherein the used materials are all materials of battery reclaimed materials of various enterprises, i.e. co-polypropylene; 58% (battery case recovered from lead factory), wound brocade J340; 20%, PP 5004; 20%, SIS (styrene-isoprene-styrene block copolymer); 2 percent. The invention utilizes the battery shell (copolymerized polypropylene material) of scrapped batteries which is scientifically processed to be clean, and develops a special copolymerized polypropylene material for the maintenance-free storage battery through a high polymer material modification molding process, and the shell material which is recovered in the same kind is used as a research basis after being subjected to high polymer modification, so that the high index requirement of the maintenance-free storage battery on the plastic shell is met by utilizing the circulating resource, namely, the waste battery shell plastic is recovered, and the copolymerized polypropylene material for the maintenance-free storage battery shell is produced, meanwhile, the manufacturing cost is reduced, the environmental pollution is also reduced, and the detection of national unified standards is facilitated.)

1. The preparation method of the co-polypropylene material for the maintenance-free storage battery shell is characterized by comprising the following steps: the used materials are all materials of battery reclaimed materials of enterprises, and are copolymerized polypropylene; 58% (battery case recovered from lead factory), wound brocade J340; 20%, PP 5004; 20%, SIS (styrene-isoprene-styrene block copolymer); 2 percent.

2. The preparation method of the co-polypropylene material for the maintenance-free storage battery shell as claimed in claim 1, wherein the preparation method comprises the following steps: the polypropylene copolymer (the battery shell recycled from lead factories) is firstly cut into granules by an extrusion granulator from a sheet shape.

3. The preparation method of the co-polypropylene material for the maintenance-free storage battery shell as claimed in claim 1, wherein the preparation method comprises the following steps: the components are weighed according to the proportion, added into a stirring mixer, stirred for 5 minutes and sent into a double-screw extruder, and the temperature in the extruder is controlled between 160 ℃ and 210 ℃.

4. The preparation method of the co-polypropylene material for the maintenance-free storage battery shell as claimed in claim 1, wherein the preparation method comprises the following steps: and then the special copolymerized polypropylene material for the storage battery shell is obtained after mixing, extrusion, bracing and grain cutting.

Technical Field

The invention relates to the field of a formula of a high-molecular modified material formed by a molding material, in particular to a preparation method of a co-polypropylene material for a maintenance-free storage battery shell.

Background

1. The lead-acid storage battery industry is a heavy metal pollution industry, the fixed-point recovery is carried out on the recovery of the waste lead-acid storage battery in accordance with the national environmental protection requirements in the last decade, the scientific treatment is carried out on the waste water and the waste impurities, and foreign advanced treatment equipment is introduced at high price to enable the waste lead-acid storage battery to reach the environmental protection requirements.

2. The materials used for the automobile maintenance-free storage battery groove and the cover body are mainly low-melting polypropylene copolymer plastics represented by Beijing Yanhua K8003, and the materials are generally used in China: the content of PE in the materials is generally about 10%, and some manufacturers adopt platform plastics 3015 and 3080, majoram, Qilu petrochemical EPS-30R, Korean SK-B350, and various brands of copolymerized PP plastics such as J340, and the like, so that the materials are quite disordered and have different performances, and although the state does not have the detection standard of the material use performance at present, the automobile maintenance-free storage battery tank and the automobile cover body which are made of the disordered copolymerized PP materials have the detection standard of a battery tank, and bring great difficulty and inconvenience to the national detection standard, so a uniform manufacturing standard and use performance are needed.

3. The comparison of the service performance of the copolymerized PP material used by the existing enterprises with the standard performance values of the automobile maintenance-free storage battery tank and the cover body is as follows:

The performance of the copolymerized PP material currently used by enterprises can not fully reach the standard performance value of the automobile maintenance-free storage battery cell and cover body through the detection table, so that improvement is needed.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects, and provide a preparation method of a co-polypropylene material for a maintenance-free storage battery shell, which can solve the problems in the background technology

In order to achieve the purpose, the invention adopts the following technical scheme:

The preparation method of the co-polypropylene material for the maintenance-free storage battery shell comprises the following steps of (1) preparing a co-polypropylene material, wherein the used materials are all materials of battery reclaimed materials of various enterprises; 58% (battery case recovered from lead factory), wound brocade J340; 20%, PP 5004; 20%, SIS (styrene-isoprene-styrene block copolymer); 2 percent.

Preferably, the polypropylene copolymer (battery case recovered from lead factory) is first cut into pellets by an extrusion pelletizer from a sheet shape.

Preferably, the components are weighed according to the proportion and added into a stirring mixer to be stirred for 5 minutes, and then the mixture is fed into a double-screw extruder, wherein the temperature in the extruder is controlled between 160 ℃ and 210 ℃.

Preferably, the special copolymerized polypropylene material for the storage battery shell is obtained after mixing, extruding, drawing into strips and cutting into granules.

The invention has the beneficial effects that: the invention utilizes the battery shell (copolymerized polypropylene material) of scrapped batteries which is scientifically processed to be clean, and develops a special copolymerized polypropylene material for the maintenance-free storage battery through a high polymer material modification molding process, and the shell material which is recovered by the same kind is used as a research basis after being subjected to high polymer modification, so that the high index requirement of the maintenance-free storage battery on the plastic shell is met by utilizing the circulating resource, namely, the waste battery shell plastic is recovered, and the copolymerized polypropylene material for the maintenance-free storage battery shell is produced, meanwhile, the manufacturing cost is reduced, the environmental pollution is also reduced, and the national detection on the unified standard is also facilitated.

Detailed Description

The preparation method of the copolymerized polypropylene material for the maintenance-free storage battery shell comprises the steps of preparing the copolymerized polypropylene, wherein the used materials are all materials modified from recovered materials of batteries of various enterprises; 58% (battery case recovered from lead factory), wound brocade J340; 20%, PP 5004; 20%, SIS (styrene-isoprene-styrene block copolymer); 2 percent.

The invention relates to a preparation method of a polypropylene copolymer material for a maintenance-free storage battery shell, which develops a polypropylene copolymer material special for a maintenance-free storage battery by using a polymer material modification molding process of a battery shell (polypropylene copolymer material) of a discarded battery which is scientifically processed, and uses the shell material recovered in the same type as the polymer material modified to serve as a research basis, so that the aim of utilizing cyclic resources to meet the high index requirement of the maintenance-free storage battery on a plastic shell is achieved, namely, waste battery shell plastic is recovered, and the polypropylene copolymer material for the maintenance-free storage battery shell is produced, meanwhile, the manufacturing cost is reduced, the environmental pollution is also reduced, and the national detection on unified standards is facilitated.

Wherein the copolymerized polypropylene (the battery shell recycled by a lead factory) is firstly cut into granules by an extrusion granulator from a sheet shape.

The components are weighed according to the proportion, added into a stirring mixer, stirred for 5 minutes and sent into a double-screw extruder, and the temperature in the extruder is controlled between 160 ℃ and 210 ℃.

And then, mixing, extruding, bracing and granulating to obtain the special copolymerized polypropylene material for the storage battery shell.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.