CN101633752A - Polyolefins thermoplastic elastomer and preparation method thereof - Google Patents
Polyolefins thermoplastic elastomer and preparation method thereof Download PDFInfo
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- CN101633752A CN101633752A CN200910306694A CN200910306694A CN101633752A CN 101633752 A CN101633752 A CN 101633752A CN 200910306694 A CN200910306694 A CN 200910306694A CN 200910306694 A CN200910306694 A CN 200910306694A CN 101633752 A CN101633752 A CN 101633752A
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- thermoplastic elastomer
- polyolefins thermoplastic
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- butadiene rubber
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Abstract
The invention provides a polyolefins thermoplastic elastomer and a preparation method thereof. The polyolefins thermoplastic elastomer is characterized by comprising the following components based on portions by weight: 80-40 portions of powder styrene-butadiene rubber, 20-60 portions of high-density polyethylene, 25-60 portions of fillers, 2-10 portions of plasticizers, 0.6-1.0 portion of sulfur, 0.8-1.4 portions of promoter M, 1.0-1.6 portions of promoter DM, 3-5 portions of zinc oxide, 1-3 portions of antioxygen 1010, and 0.5-1.5 portions of low-molecular wax. The invention has reasonable selection of raw materials, lower cost and simplified process, is suitable for industrialized continuous production, and is capable of improving the product performance and reducing the environment pollution.
Description
Technical field
The invention belongs to the macromolecular material manufacture technology field, is a kind of polyolefins thermoplastic elastomer and manufacture method thereof specifically.
Background technology
Thermoplastic elastomer (TPE) be a kind of have concurrently plastics and rubber property, at normal temperatures show under rubber snappiness, the high temperature again can plasticizing forming macromolecular material, be called third generation rubber again.Because the performance of the existing traditional rubber of TPE does not need sulfuration again, its goods are in the course of processing, and tailing and waste product can reuse, thereby have resource-saving, the energy, labour, the characteristics that production efficiency is high.Since E.I.Du Pont Company released first-generation thermoplastic elastomer from nineteen sixty, thermoplastic elastomer developed into for the 4th generation, and the kind of whole world commixed type TPE has reached more than 20 series, more than 100 kind.Relatively Tu Chu examples of industrial application is paracril/polyvinyl chloride-type, EPT rubber type etc.
Press for the today that solves with closely bound up " environment " and " energy " problem of human lives people, replace niggerhead just to become the necessary top-priority problem of styrene-butadiene rubber(SBR) and related industries naturally with PBSR.At present, the industrialization kind that block styrene-butadiene rubber(SBR) prepares thermoplastic elastomer is not a lot, but also has following some problem: 1. still be the mill production method to adopt segmentation to add rubber, resin and vulcanizing agent, be not suitable for industrialized continuous production, and product performance are undesirable; 2. adopt peroxide vulcanizing system mostly,, reduce the performance of thermoplastic elastomer though energy while cross-linked rubber and resin easily cause the resin degraded; 3. adopt phenolic resin vulcanization system to give off virose formaldehyde gas, contaminate environment is detrimental to health
How to study a kind of polyolefins thermoplastic elastomer and manufacture method thereof, material choice is reasonable, and cost is lower, can simplify technology, be fit to industrialized continuous production, and can enhance product performance, reduce environmental pollution, this has become the technical problem that needs to be resolved hurrily at present.
Summary of the invention
The objective of the invention is the problem at the prior art existence, and a kind of polyolefins thermoplastic elastomer and manufacture method thereof are provided, material choice is reasonable, cost is lower, can simplify technology, is fit to industrialized continuous production, and can enhance product performance, reduce environmental pollution.
The objective of the invention is to be achieved through the following technical solutions: a kind of polyolefins thermoplastic elastomer is characterized in that the component content proportioning of each raw material is by weight:
Powder styrene butadiene rubber 80-40 part
High density polyethylene(HDPE) 20-60 part
Weighting agent 25-60 part
Softening agent 2-10 part
Sulphur 0.6-1.0 part
Captax 0.8-1.4 part
Altax 1.0-1.6 part
Zinc oxide 3-5 part
Antioxidant 1010 1-3 part
Low-molecular-weight wax 0.5-1.5 part.
To improvement of the technical scheme: described weighting agent is at least a kind of in nano-calcium carbonate, lime carbonate, white carbon black, kaolin, the diatomite.
To further improvement in the technical proposal: described softening agent is whiteruss or naphthenic oil.
A kind of manufacture method of polyolefins thermoplastic elastomer is characterized in that:
The component content proportioning of each raw material is by weight:
Powder styrene butadiene rubber 80-40 part
High density polyethylene(HDPE) 20-60 part
Weighting agent 25-60 part
Softening agent 2-10 part
Sulphur 0.6-1.0 part
Captax 0.8-1.4 part
Altax 1.0-1.6 part
Zinc oxide 3-5 part
Antioxidant 1010 1-3 part
Low-molecular-weight wax 0.5-1.5 part
Employing dynamic vulcanization method preparation: earlier polyethylene and oil, vulcanizing agent, promotor and other Synergist S-421 95s premix are together made Preblend, again Preblend, powder styrene butadiene rubber being added the twin screw extruder reaction extrudes, granulation, temperature is controlled at 160 ℃～175 ℃, screw speed 30-50 rev/min; Then by injection moulding machine injection preparation sample.
To improvement of the technical scheme: described weighting agent is at least a kind of in nano-calcium carbonate, lime carbonate, white carbon black, kaolin, the diatomite.
To further improvement in the technical proposal: described softening agent is whiteruss or naphthenic oil.
The present invention compared with prior art has the following advantages and positively effect: the material choice of polyolefins thermoplastic elastomer of the present invention and manufacture method thereof is reasonable, and cost is lower, can simplify technology, is fit to industrialized continuous production, reduces environmental pollution.Particularly can enhance product performance: in the processibility and caoutchouc elasticity that keep thermoplastics, greater than 5g/10min, the highest continuous use temperature can reach 150 ℃ to this elastomeric melt flow index in the time of 190 ℃.Other physicals: hardness (Shao A):＞85, tensile strength (MPa):＞10, elongation at break (%):＞200, stretch deformation rate (%) surely :≤60.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further detail:
Choice of powder styrene-butadiene rubber(SBR) of the present invention and high density polyethylene(HDPE) adopt effective sulfur cross-linking system, suitably add processing aids such as weighting agent, softening agent, and it is good to obtain over-all properties, the polyolefins thermoplastic elastomer of processing characteristics excellence.
The prescription of embodiment 1, polyolefins thermoplastic elastomer is by weight ratio:
80 parts of powder styrene butadiene rubbers
20 parts of high density polyethylene(HDPE)s
50 parts of weighting agents
8 parts in softening agent
1.0 parts in sulphur
1.4 parts of captaxs
1.6 parts of altaxs
5 parts in zinc oxide
1 part of antioxidant 1010
0.5 part of low-molecular-weight wax.
The prescription of embodiment 2, polyolefins thermoplastic elastomer is by weight ratio:
60 parts of powder styrene butadiene rubbers
40 parts of high density polyethylene(HDPE)s
40 parts of weighting agents
6 parts in softening agent
0.8 part in sulphur
1.0 parts of captaxs
1.2 parts of altaxs
4 parts in zinc oxide
2 parts of antioxidant 1010s
1.0 parts of low-molecular-weight wax.
The prescription of embodiment 3, polyolefins thermoplastic elastomer is by weight ratio:
40 parts of powder styrene butadiene rubbers
60 parts of high density polyethylene(HDPE)s
30 parts of weighting agents
4 parts in softening agent
0.6 part in sulphur
0.8 part of captax
1.0 parts of altaxs
3 parts in zinc oxide
3 parts of antioxidant 1010s
1.5 parts of low-molecular-weight wax.
Embodiment 4: a kind of manufacture method of polyolefins thermoplastic elastomer:
The prescription of described polyolefins thermoplastic elastomer is selected any one among the embodiment 1-3 by weight ratio.
Concrete manufacturing process is: earlier polyethylene and oil, vulcanizing agent, promotor and other Synergist S-421 95s premix are together made Preblend, again Preblend, powder styrene butadiene rubber being added the twin screw extruder reaction extrudes, granulation, temperature are controlled at 160 ℃～175 ℃, 30 rev/mins of screw speeds; Then by injection moulding machine injection preparation sample.
The manufacture method of 5: the second kinds of polyolefins thermoplastic elastomers of embodiment:
The prescription of described polyolefins thermoplastic elastomer is selected any one among the embodiment 1-3 by weight ratio.
Concrete manufacturing process is: earlier polyethylene and oil, vulcanizing agent, promotor and other Synergist S-421 95s premix are together made Preblend, again Preblend, powder styrene butadiene rubber being added the twin screw extruder reaction extrudes, granulation, temperature are controlled at 160 ℃～168 ℃, 40 rev/mins of screw speeds; Then by injection moulding machine injection preparation sample.
Embodiment 6: the manufacture method of the third polyolefins thermoplastic elastomer:
The prescription of described polyolefins thermoplastic elastomer is selected any one among the embodiment 1-3 by weight ratio.
Concrete manufacturing process is: earlier polyethylene and oil, vulcanizing agent, promotor and other Synergist S-421 95s premix are together made Preblend, again Preblend, powder styrene butadiene rubber being added the twin screw extruder reaction extrudes, granulation, temperature are controlled at 160 ℃～165 ℃, 50 rev/mins of screw speeds; Then by injection moulding machine injection preparation sample.
Weighting agent in the foregoing description is at least a kind of in nano-calcium carbonate, lime carbonate, white carbon black, kaolin, the diatomite.Softening agent is whiteruss or naphthenic oil.
Embodiment 1 to embodiment 3 is obtained data in the table 1 according to the polyolefins thermoplastic elastomer of above-mentioned arbitrary manufacturing process preparation:
Table 1
| Test item | Requirement | Embodiment one | Embodiment two | Embodiment three |
| Hardness (Shao Shi A), degree | ??＞85 | ??86 | ??89 | ??91 |
| Tensile strength, MPa | ??＞10.0 | ??13.46 | ??16.58 | ??18.94 |
| Elongation at break, % | ??＞200 | ??312.8 | ??278.5 | ??243.6 |
| Surely stretch deformation rate, % | ??≤60 | ??15 | ??18 | ??20 |
| Melt flow index MI g/10min (190 ℃) | ??＞5 | ??6.12 | ??8.54 | ??11.28 |
| The highest continuous use temperature, ℃ | ??150 | ??150 | ??150 | ??150 |
Data from table 1 are better than other two kinds of prescriptions according to the over-all properties of the thermoplastic elastomer of embodiment three formulation as can be seen, and melt flow index is the highest, illustrate that the processing ability is best.
It is a kind of type material that the present invention adopts powder styrene butadiene rubber, (SBR) compares with block styrene-butadiene rubber(SBR), powder styrene butadiene rubber (PSBR) has the advantage of self uniqueness: PSBR is than the good dispersity of block glue, can give the resin special performances with resin or the direct blending of resin-oatmeal, so its processing characteristics, work situation, operational condition and quality of item are all improved when using; Can adopt advanced twin screw extruder complete processing, collection mixes, mixing, take shape in all over the body, simplified complete processing, reduced production cost; For manufacturer is used in plastic working, neither need increase facility investment, can increase economic benefit again, and also easy to use.Therefore, the TPO that the scope of application of the present invention: PSBR/PE makes will widely apply cable industry, as insulation layer, sheath PP Pipe Compound, make this kind cable product have more soft feel(ing), the elastic sensation of rubber; Another big use is automotive upholstery, as handle, sealed strip, and exterior trimming parts such as splash pan etc.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present invention, the variation of making, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (6)
1. polyolefins thermoplastic elastomer is characterized in that the component content proportioning of each raw material is by weight:
Powder styrene butadiene rubber 80-40 part
High density polyethylene(HDPE) 20-60 part
Weighting agent 25-60 part
Softening agent 2-10 part
Sulphur 0.6-1.0 part
Captax 0.8-1.4 part
Altax 1.0-1.6 part
Zinc oxide 3-5 part
Antioxidant 1010 1-3 part
Low-molecular-weight wax 0.5-1.5 part.
2. according to the described polyolefins thermoplastic elastomer of claim 1, it is characterized in that described weighting agent is at least a kind of in nano-calcium carbonate, lime carbonate, white carbon black, kaolin, the diatomite.
3. according to claim 1 or 2 described polyolefins thermoplastic elastomers, it is characterized in that described softening agent is whiteruss or naphthenic oil.
4. the manufacture method of a polyolefins thermoplastic elastomer is characterized in that:
The component content proportioning of each raw material is by weight:
Powder styrene butadiene rubber 80-40 part
High density polyethylene(HDPE) 20-60 part
Weighting agent 25-60 part
Softening agent 2-10 part
Sulphur 0.6-1.0 part
Captax 0.8-1.4 part
Altax 1.0-1.6 part
Zinc oxide 3-5 part
Antioxidant 1010 1-3 part
Low-molecular-weight wax 0.5-1.5 part
Employing dynamic vulcanization method preparation: earlier polyethylene and oil, vulcanizing agent, promotor and other Synergist S-421 95s premix are together made Preblend, again Preblend, powder styrene butadiene rubber being added the twin screw extruder reaction extrudes, granulation, temperature is controlled at 160 ℃～175 ℃, screw speed 30-50 rev/min; Then by injection moulding machine injection preparation sample.
5. according to the described polyolefins thermoplastic elastomer of claim 4, it is characterized in that: described weighting agent is at least a kind of in nano-calcium carbonate, lime carbonate, white carbon black, kaolin, the diatomite.
6. according to claim 4 or 5 described polyolefins thermoplastic elastomers, it is characterized in that: described softening agent is whiteruss or naphthenic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910306694A CN101633752A (en) | 2009-09-08 | 2009-09-08 | Polyolefins thermoplastic elastomer and preparation method thereof |
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| CN200910306694A CN101633752A (en) | 2009-09-08 | 2009-09-08 | Polyolefins thermoplastic elastomer and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250390A (en) * | 2014-06-17 | 2014-12-31 | 池州市大恒生化有限公司 | Thermoplastic elastomer environment-friendly particle |
| CN106432935A (en) * | 2016-12-16 | 2017-02-22 | 安徽亚兰密封件有限公司 | Wear-resisting, heat-resisting and acid-alkali resistant modified rubber sealing element |
| CN107383924A (en) * | 2017-09-03 | 2017-11-24 | 安徽天裕汽车零部件制造有限公司 | A kind of fender material and preparation method thereof |
| CN109749181A (en) * | 2017-11-01 | 2019-05-14 | 丹阳博亚新材料技术服务有限公司 | A kind of pressure resistance insulating materials |
-
2009
- 2009-09-08 CN CN200910306694A patent/CN101633752A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250390A (en) * | 2014-06-17 | 2014-12-31 | 池州市大恒生化有限公司 | Thermoplastic elastomer environment-friendly particle |
| CN106432935A (en) * | 2016-12-16 | 2017-02-22 | 安徽亚兰密封件有限公司 | Wear-resisting, heat-resisting and acid-alkali resistant modified rubber sealing element |
| CN107383924A (en) * | 2017-09-03 | 2017-11-24 | 安徽天裕汽车零部件制造有限公司 | A kind of fender material and preparation method thereof |
| CN109749181A (en) * | 2017-11-01 | 2019-05-14 | 丹阳博亚新材料技术服务有限公司 | A kind of pressure resistance insulating materials |
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Open date: 20100127 |