阅读说明：本技术 一种低气味聚丙烯组合物及其制备方法 (A kind of low-odor polypropylene ene compositions and preparation method thereof ) 是由 陈方斌 冯振涛 霍凯 王峰 于 2018-05-23 设计创作，主要内容包括：本发明公开了一种低气味聚丙烯组合物,包括以下重量百分比的原料：聚丙烯70～75%、增韧剂POE 5～10%、复合抗氧剂0～0.5%、复合光稳定剂0～1%、气味抑制剂0.2～1%、助剂0.5～1.5%、余量为填充剂。本发明提出的一种低气味聚丙烯组合物,性能优越,气味小,具有更好的韧性和抗氧化性,本发明还提出了一种低气味聚丙烯组合物的制备方法,通过将所用原料经过预混后,在抽真空装置下经双螺杆挤出机挤出造粒,通过化学与物理相结合的方式去除聚丙烯中降解的气味小分子,从而得到低气味聚丙烯组合物,其工艺简单,所用原料简单易得,制备成本低,值得推广。(The invention discloses a kind of low-odor polypropylene ene compositions, the raw material including following weight percent: polypropylene 70~75%, toughener POE 5~10%, composite antioxidant 0~0.5%, composite light stabilizer 0~1%, odor suppressing agents 0.2~1%, auxiliary agent 0.5~1.5%, surplus are filler.A kind of low-odor polypropylene ene compositions proposed by the present invention, superior performance, smell is small, with better toughness and inoxidizability, the invention also provides a kind of preparation methods of low-odor polypropylene ene compositions, by by it is raw materials used by premix after, through double screw extruder extruding pelletization under vacuum evacuation device, the smell small molecule degraded in polypropylene is removed in such a way that chemistry is combined with physics, to obtain low-odor polypropylene ene compositions, simple process is raw materials used simple and easy to get, preparation cost is low, is worthy to be popularized.)

1. a kind of low-odor polypropylene ene compositions, which is characterized in that the raw material including following weight percent: polypropylene 70~ 75%, toughener POE 5~10%, composite antioxidant 0~0.5%, composite light stabilizer 0~1%, odor suppressing agents 0.2~1%, help Agent 0.5~1.5%, surplus are filler.

2. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that including following weight percent Raw material: polypropylene 72~74%, toughener POE 6~8%, composite antioxidant 0.1~0.4%, composite light stabilizer 0.2~ 0.8%, odor suppressing agents 0.4~0.8%, auxiliary agent 0.6~1.2%, surplus are filler.

3. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that including following weight percent Raw material: polypropylene 73%, toughener POE 7%, composite antioxidant 0.2%, composite light stabilizer 0.5%, odor suppressing agents 0.5%, Auxiliary agent 0.7%, surplus are filler.

4. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that the composite antioxidant is by resisting Oxygen agent 1010 and irgasfos 168 are that 0.8~1.5:1~1.2 mix in mass ratio.

5. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that the composite light stabilizer by Light stabilizer 5589 and light stabilizer 5519 mix in mass ratio for 0.5~0.8:0.9~1.1.

6. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that the odor suppressing agents include Chemistry eliminating smell agent and physics eliminating smell agent, wherein the mass ratio of chemistry eliminating smell agent and physics eliminating smell agent is 1~1.5:1, the chemistry Eliminating smell agent is zinc ricinate, and the physics eliminating smell agent is synthetic zeolite.

7. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that the auxiliary agent includes thermostabilization Agent and nucleating agent, wherein the mass ratio of heat stabilizer and nucleating agent is 0.8~1.2:1, and the nucleating agent is in TA or XNA One or two kinds of mixtures.

8. a kind of low-odor polypropylene ene compositions according to claim 1, which is characterized in that the filler is carbonic acid One of calcium, compressed powder, talcum powder, barium sulfate are a variety of.

9. a kind of preparation method of low-odor polypropylene ene compositions, which comprises the following steps:

S1, polypropylene, toughener POE, composite antioxidant, composite light stabilizer, smell inhibition are weighed by the weight percent Agent, auxiliary agent and filler；

S2, by step S1 it is weighed it is raw materials used sequentially add in super mixer, it is dry-mixed with the revolving speed of 400~800r/min 3~5 minutes；

S3, the raw material mixed in step S2 is placed in double screw extruder, cooperates vacuum evacuation device melting extrusion, be granulated, It obtaining low-odor polypropylene ene compositions, during extruding pelletization, controls process conditions are as follows: area's temperature is 180~200 DEG C, two Area's temperature be 190~210, three area's temperature be 190~210 DEG C, four area's temperature be 210~220 DEG C, five area's temperature be 210~ 220 DEG C, six area's temperature are 210~220 DEG C, and seven area's temperature are 210~225 DEG C, and eight area's temperature are 210~225 DEG C, nine Qu Wendu It is 210~225 DEG C, ten area's temperature are 210~225 DEG C, and the residence time is 1~2min, and pressure is 12~18MPa.

Technical field

The present invention relates to modified material technical field more particularly to a kind of low-odor polypropylene ene compositions and its preparation sides Method.

Background technique

Universal with automobile and household electrical appliance, requirement of the consumer to its quality is higher and higher.Such as automobile instrument panel, Door inner panel, washing machine etc. is largely to change surname material with polypropylene (PP) to be prepared.And make in polypropylene process additive compared with More and polypropylene is easy to that degradation generation gas phase small molecule occurs under light, oxygen, heat condition, and then generates smell, to reach matter Amount requires, and people constantly bring forth new ideas in manufacturing technology, solves the problems, such as this by physical method and chemical method.

According to the above problem, the invention proposes a kind of low-odor polypropylene ene compositions and preparation method thereof.

Summary of the invention

The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of low odor polypropylene group proposed Close object and preparation method thereof.

A kind of low-odor polypropylene ene compositions, the raw material including following weight percent: polypropylene 70~75%, toughener POE 5~10%, composite antioxidant 0~0.5%, composite light stabilizer 0~1%, odor suppressing agents 0.2~1%, auxiliary agent 0.5~ 1.5%, surplus is filler.

Preferably, a kind of low-odor polypropylene ene compositions, the raw material including following weight percent: polypropylene 72 ~74%, toughener POE 6~8%, composite antioxidant 0.1~0.4%, composite light stabilizer 0.2~0.8%, odor suppressing agents 0.4 ~0.8%, auxiliary agent 0.6~1.2%, surplus are filler.

Preferably, a kind of low-odor polypropylene ene compositions, the raw material including following weight percent: polypropylene 73%, toughener POE 7%, composite antioxidant 0.2%, composite light stabilizer 0.5%, odor suppressing agents 0.5%, auxiliary agent 0.7%, surplus For filler.

Preferably, the composite antioxidant is 0.8~1.5:1~1.2 by antioxidant 1010 and irgasfos 168 in mass ratio It mixes.

Preferably, the composite light stabilizer by light stabilizer 5589 and light stabilizer 5519 in mass ratio for 0.5~ 0.8:0.9~1.1 mix.

Preferably, the odor suppressing agents include chemistry eliminating smell agent and physics eliminating smell agent, wherein chemistry eliminating smell agent and physics The mass ratio of eliminating smell agent is 1~1.5:1, and the chemistry eliminating smell agent is zinc ricinate, and the physics eliminating smell agent is synthetic zeolite.

Preferably, the auxiliary agent includes heat stabilizer and nucleating agent, wherein the mass ratio of heat stabilizer and nucleating agent is 0.8~1.2:1, the nucleating agent are one or both of TA or XNA mixture.

Preferably, the filler is one of calcium carbonate, compressed powder, talcum powder, barium sulfate or a variety of.

The invention also provides a kind of preparation methods of low-odor polypropylene ene compositions, comprising the following steps:

S1, polypropylene, toughener POE, composite antioxidant, composite light stabilizer, smell inhibition are weighed by the weight percent Agent, auxiliary agent and filler；

S2, by step S1 it is weighed it is raw materials used sequentially add in super mixer, it is dry-mixed with the revolving speed of 400~800r/min 3~5 minutes；

S3, the raw material mixed in step S2 is placed in double screw extruder, cooperates vacuum evacuation device melting extrusion, be granulated, It obtaining low-odor polypropylene ene compositions, during extruding pelletization, controls process conditions are as follows: area's temperature is 180~200 DEG C, two Area's temperature be 190~210, three area's temperature be 190~210 DEG C, four area's temperature be 210~220 DEG C, five area's temperature be 210~ 220 DEG C, six area's temperature are 210~220 DEG C, and seven area's temperature are 210~225 DEG C, and eight area's temperature are 210~225 DEG C, nine Qu Wendu It is 210~225 DEG C, ten area's temperature are 210~225 DEG C, and the residence time is 1~2min, and pressure is 12~18MPa.

A kind of low-odor polypropylene ene compositions proposed by the present invention, superior performance, smell is small, has better toughness and resists Oxidisability, the invention also provides a kind of preparation methods of low-odor polypropylene ene compositions, by passing through premix for raw materials used Afterwards, it by the effect of chemical chelating and physical absorption and is vacuumized under vacuum evacuation device through double screw extruder extruding pelletization The principle that device combines utilizes the aldoketones in the active function groups chelating material in zinc ricinate, amine, sulphur class smell Substance forms stable new compound so as to improve the smell of material, adsorbs polypropylene material additionally by physical adsorption process The smell small molecule generated in material, and vacuum evacuation device is cooperated preferably to solve the problems, such as smell, to obtain better low smell Polypropene composition, simple process, raw materials used simple and easy to get, preparation cost is low, is worthy to be popularized.

Specific embodiment

Combined with specific embodiments below the present invention is made further to explain.

Table one: embodiment and comparative formulation table