CN103289209A - Formula and production process of co-polypropylene foamed plastic - Google Patents
Formula and production process of co-polypropylene foamed plastic Download PDFInfo
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- CN103289209A CN103289209A CN2013100257143A CN201310025714A CN103289209A CN 103289209 A CN103289209 A CN 103289209A CN 2013100257143 A CN2013100257143 A CN 2013100257143A CN 201310025714 A CN201310025714 A CN 201310025714A CN 103289209 A CN103289209 A CN 103289209A
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Abstract
The invention discloses a formula and a production process of a co-polypropylene foamed plastic. By using co-polypropylene as a raw material, the obtained foam product has the advantages of light mass, high strength, low cost, good heat resistance, degradability and easy recovery, etc., and has no influence on the environment. Meanwhile, resources are saved, the processing process is simple, and the processing equipment involves traditional machines, so that there is no additional increase of equipment investment, and the cost can be reduced to the utmost. With excellent heat insulation, sound absorption and noise reduction properties, the co-polypropylene foamed plastic is very suitable for home decoration.
Description
Technical field
The present invention relates to a kind of prescription and technology of porous plastics, particularly relating to a kind of Co-polypropylene that adopts is prescription and the production technique of raw material.
Background technology
To have quality light because of it for porous plastics; good heat-insulation effect; good buffer effect; good insulating; antiseptic property is stable; advantages such as price is low; both can beautify the packing of product; can accomplish buffer protection to product again; be widely used in daily necessities; packing; industry; agricultural; transportation; military; fields such as aerospace; basically the product that circulates on the market all needs to use porous plastics; traditional porous plastics all is to adopt EVA; PE; the foaming of materials such as PS forms; but traditional material such as EVA; PE; there is very large defective in PS etc.; the cost height; complete processing is loaded down with trivial details; the recovery of can not degrading after the use; big for environment pollution; cause the resource significant wastage simultaneously; and the porous plastics facile hydrolysis that adopts traditional raw material to produce; very serious to water resource pollution; in order to address this problem; very many substitutes have also appearred on the market; but effect is all undesirable; can not resolve a series of problem of environmental pollutions that porous plastics brings fully; if a kind of raw material is arranged can conveniently degrade and recyclable; cost is low; technology is simple, and above problem just can solve.
Summary of the invention
Be difficult for problems such as degraded recovery, cost height, complex process in order to solve prior art products, the present invention adopts following technical scheme:
The invention provides a kind of prescription of Co-polypropylene porous plastics, its prescription comprises:
Acrylic resin D5006:100 part
Talcum powder reinforcing filler: 10-80 part
Active zinc flower ZNO:1.0-3.0 part
Stearic acid ST:0.5-1.0 part
Zinic stearas ZNST:1.0-1.5 part
Organic peroxide evocating agent DCP:0.01-0.05 part
Crosslinking coagent TMPTMA:1.0-3.0 part
Coupling agent 172:0.2-0.5 part
Peroxide cross-linking agent DCP:0.5-0.8 part
Azoic foaming agent AC165:1.0-5.0 part.
As the improvement to invention, above-mentioned formula material ratio is specific as follows, includes but are not limited to the following part of joining:
Acrylic resin F5006:100 part
Talcum powder reinforcing filler: 30 parts
Active zinc flower ZNO:2.0 part
Stearic acid ST:0.7 part
Zinic stearas ZNST:0.7 part
Organic peroxide evocating agent DCP:0.02 part
Crosslinking coagent TMPTMA:2.5 part
Coupling agent 172:0.5 part
Peroxide cross-linking agent DCP:0.7 part
Azoic foaming agent AC165:4.5 part.
A kind of production technique of utilizing above-mentioned prescription production Co-polypropylene porous plastics, step comprises: 1, by the above-mentioned formula rate required raw material of weighing, main base material (acrylic resin), processing aid, initiator mixed put in the Banbury mixer; 2, the Banbury mixer by step 1 mixes, and the banburying temperature is set at 125 ℃, when temperature reaches set(ting)value, drops into linking agent, whipping agent to Banbury mixer again, and the blanking temperature is set at 135 ℃, and the blanking time set is 15min; 3, the compound of step 2 is transferred to mill, and open refining and mix, mixing temperature is set at 115 ℃, constraint twice, and thickness is 2mm; 4, in transferring to many rollers combination film-discharging machines, the compound that step 3 is opened refining finishes the slice operation, roller section temperature is set at 105 ℃-115 ℃, thickness is 1.2-1.5mm, and going out leaf length is the best with 80% of die cavity length, again the slice work in-process is cooled to 40 ℃ and be placed on the predetermined position; 5, foaming again after step 4 slice adopts the foaming of building bridge of hydraulic type mold pressing platform, and specifically dimensions need be made corresponding mould by the client.
Beneficial effect of the present invention is: the porous plastics that adopts the Co-polypropylene material to obtain, have advantages such as quality is light, intensity is high, cost is low, good heat resistance, recyclable degraded, can not impact environment, simultaneously also saved resource, and complete processing is simple, processing units still utilizes conventional machines, not needing in addition, increase equipment drops into, reduce cost to greatest extent, and possess extraordinary insulation anti-acoustic capability, be fit to very much house fitting-up.
Tool embodiment body
Embodiment 1
A kind of prescription of Co-polypropylene porous plastics comprises
Acrylic resin F5006:100 part
Talcum powder reinforcing filler: 10-80 part
Active zinc flower ZNO:1.0-3.0 part
Stearic acid ST:0.5-1.0 part
Zinic stearas ZNST:1.0-1.5 part
Organic peroxide evocating agent DCP:0.01-0.05 part
Crosslinking coagent TMPTMA:1.0-3.0 part
Coupling agent 172:0.2-0.5 part
Peroxide cross-linking agent DCP:0.5-0.8 part
Azoic foaming agent AC165:1.0-5.0 part.
The porous plastics that adopts above-mentioned prescription to obtain, its product performance test is as follows, linear multiplying power: 1.7; Volume expansion ratio: 4.913; Hardness: 75C; Proportion 0.16g/cm^3.
One of each component was worth in a big way during above-mentioned prescription was just filled a prescription, not concrete, was preferred versions that the present invention fills a prescription as embodiment 2, and the prescription of embodiment 2 comprises:
Acrylic resin F5006:100 part
Talcum powder reinforcing filler: 30 parts
Active zinc flower ZNO:2.0 part
Stearic acid ST:0.7 part
Zinic stearas ZNST:0.7 part
Organic peroxide evocating agent DCP:0.02 part
Crosslinking coagent TMPTMA:2.5 part
Coupling agent 172:0.5 part
Peroxide cross-linking agent DCP:0.7 part
Azoic foaming agent AC165:4.5 part.
Embodiment 2 has provided the concrete umber of each component of filling a prescription, and is a more preferred scheme, and is as follows to the The performance test results of product at the product that embodiment 2 obtains, linear multiplying power: 2.0; Volume expansion ratio: 8.0; Hardness: 60C; Proportion 0.09 g/cm^3.
A kind of production technique of utilizing above-mentioned prescription production Co-polypropylene porous plastics, step comprises: 1, by the above-mentioned formula rate required raw material of weighing, main base material (acrylic resin), processing aid, initiator mixed put in the Banbury mixer; 2, the Banbury mixer by step 1 mixes, and the banburying temperature is set at 125 ℃, when temperature reaches set(ting)value, drops into linking agent, whipping agent to Banbury mixer again, and the blanking temperature is set at 135 ℃, and the blanking time set is 15min; 3, the compound of step 2 is transferred to mill, and open refining and mix, mixing temperature is set at 115 ℃, constraint twice, and thickness is 2mm; 4, in transferring to many rollers combination film-discharging machines, the compound that step 3 is opened refining finishes the slice operation, roller section temperature is set at 105 ℃-115 ℃, thickness is 1.2-1.5mm, and going out leaf length is the best with 80% of die cavity length, again the slice work in-process is cooled to 40 ℃ and be placed on the predetermined position; 5, foaming again after step 4 slice adopts the foaming of building bridge of hydraulic type mold pressing platform, and specifically dimensions need be made corresponding mould by the client.
Co-polypropylene foam material provided by the invention has very many good characteristics, and is as follows:
1, polypropylene (PP) rigidity is better than polyethylene (PE), and copolymerization PP modulus in flexure is approximately 600MPa, and PE only is 207MPa, and chemical resistance is similar to PE;
2, polyacrylic second-order transition temperature is lower than room temperature, and shock resistance is better than PS, and reclaims property compared to the difficulty of PS foam, and polypropylene has more advantage, and polypropylene is that degradable reclaims, and can environment not polluted;
3, polypropylene has higher heat-drawn wire, can be to promote the use of in the high temperature field at certain, expanded polypropylene is 130 ℃ of high temperature of ability generally, the upper limit temperature of heat tolerance than polyethylene is high a lot, and polypropylene foam is closed foam structure, guarantee that porous plastics has better thermal conductivity, can be used as lagging material;
4, polypropylene has good cold property, guarantees that porous plastics also possesses good performance in the time of-30 ℃;
5, polypropylene expanded goods have excellent energy absorption characteristic and resistance to compression energy absorption performance, can be widely used in bumper energy process system and other erosion controls hit the energy-absorbing parts;
6, polypropylene has extraordinary shape recovery stability, and foaming product is subjected to repeatedly continuously can returning to original-shape very soon behind bump and the torsional deformation, and can not produce permanentset;
7, polypropylene expanded extrudate density is little, so its very light weight is light, therefore polypropylene expanded goods snappiness energy consumption can be used repeatedly simultaneously, is difficult for broken, the most important thing is that degradable reclaims, easily decompose, can not pollute environment, also saved a large amount of resources, burning does not produce toxic substance, can not produce injury to human body;
8, polypropylene expanded goods have surface of good protectiveness and sound insulation and noise reduction performance, can be widely used in fields such as packing;
The advantage of comprehensive above-mentioned Co-polypropylene, adopt Co-polypropylene as the raw material of porous plastics, be enough to replace traditional foaming raw material, in the performance while that assurance has traditional material to have, some performance all has and significantly improves, but also have the performance that the conventional foam plastics do not possess, be feasible so adopt Co-polypropylene as the raw material of porous plastics.
The above; be the specific embodiment of the present invention only, but be not limited thereto, anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within the invention which is intended to be protected.
Claims (3)
1. the prescription of a Co-polypropylene porous plastics is characterized in that:
Prescription comprises:
Acrylic resin F5006:100 part
Talcum powder reinforcing filler: 10-80 part
Active zinc flower ZNO:1.0-3.0 part
Stearic acid ST:0.5-1.0 part
Zinic stearas ZNST:1.0-1.5 part
Organic peroxide evocating agent DCP:0.01-0.05 part
Crosslinking coagent TMPTMA:1.0-3.0 part
Coupling agent 172:0.2-0.5 part
Peroxide cross-linking agent DCP:0.5-0.8 part
Azoic foaming agent AC165:1.0-5.0 part.
2. the prescription of a kind of Co-polypropylene porous plastics according to claim 1, it is characterized in that: above-mentioned formula material ratio is specific as follows, includes but are not limited to the following part of joining:
Acrylic resin F5006:100 part
Talcum powder reinforcing filler: 30 parts
Active zinc flower ZNO:2.0 part
Stearic acid ST:0.7 part
Zinic stearas ZNST:0.7 part
Organic peroxide evocating agent DCP:0.02 part
Crosslinking coagent TMPTMA:2.5 part
Coupling agent 172:0.5 part
Peroxide cross-linking agent DCP:0.7 part
Azoic foaming agent AC165:4.5 part.
3. production technique of utilizing above-mentioned prescription production Co-polypropylene porous plastics is characterized in that:
Step comprises: 1, by the above-mentioned formula rate required raw material of weighing, main base material (acrylic resin), processing aid, initiator mixed put in the Banbury mixer; 2, the Banbury mixer by step 1 mixes, and the banburying temperature is set at 125 ℃, when temperature reaches set(ting)value, drops into linking agent, whipping agent to Banbury mixer again, and the blanking temperature is set at 135 ℃, and the blanking time set is 15min; 3, the compound of step 2 is transferred to mill, and open refining and mix, mixing temperature is set at 115 ℃, constraint twice, and thickness is 2mm; 4, in transferring to many rollers combination film-discharging machines, the compound that step 3 is opened refining finishes the slice operation, roller section temperature is set at 105 ℃-115 ℃, thickness is 1.2-1.5mm, and going out leaf length is the best with 80% of die cavity length, again the slice work in-process is cooled to 40 ℃ and be placed on the predetermined position; 5, foaming again after step 4 slice adopts the foaming of building bridge of hydraulic type mold pressing platform, and specifically dimensions need be made corresponding mould by the client.
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| CN2013100257143A CN103289209A (en) | 2013-01-22 | 2013-01-22 | Formula and production process of co-polypropylene foamed plastic |
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| CN2013100257143A CN103289209A (en) | 2013-01-22 | 2013-01-22 | Formula and production process of co-polypropylene foamed plastic |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215394A (en) * | 2008-01-15 | 2008-07-09 | 泉州公元纺织有限公司 | Degradable environment-friendly type polypropylene(PP) foam plastic and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215394A (en) * | 2008-01-15 | 2008-07-09 | 泉州公元纺织有限公司 | Degradable environment-friendly type polypropylene(PP) foam plastic and preparation method thereof |
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Application publication date: 20130911 |