CN102627811A - Chlorinated polyethylene modified material for ultralow-temperature-resistance and high-toughness plastic and preparation method thereof - Google Patents
Chlorinated polyethylene modified material for ultralow-temperature-resistance and high-toughness plastic and preparation method thereof Download PDFInfo
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- CN102627811A CN102627811A CN2012101125151A CN201210112515A CN102627811A CN 102627811 A CN102627811 A CN 102627811A CN 2012101125151 A CN2012101125151 A CN 2012101125151A CN 201210112515 A CN201210112515 A CN 201210112515A CN 102627811 A CN102627811 A CN 102627811A
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Abstract
The invention relates to a chlorinated polyethylene modified material for ultralow-temperature-resistance and high-toughness plastic and a preparation method thereof. Since days of 0 DEG C below zero account for 40-50 percent of a whole year in cold regions and certain PVC (Polyvinyl Chloride) hard products are often applied under ultralow temperature (20 DEG C below zero to 0 DEG C) conditions, general chlorinated polyethylene cannot fully meet the application requirement of impact resistance on a PVC hard product. High-density chlorinated polyethylene in a product is a product obtained by fully chlorinating high-density polyethylene of which the molecular weight is 200,000-300,000 and high-density polyethylene of which the molecular weight is 150,000-250,000 respectively, the two types of high-density polyethylene are marked as PE-C and CM respectively and are in the mixture ratio of 100:(5-10), and the quantity of screen tailings is less than 30 percent after sieving with a 100-mesh sieve. The product is taken as a substituent of chlorinated polyethylene which is currently used in cold regions.
Description
Technical field
the present invention relates to a kind of being used for and under very low temperature (20 ℃-0 ℃) condition, use, and satisfy the chlorinated polyethylene modified material and the preparation method of application requiring of the shock resistance of PVC boardy product fully.
Background technology
are at severe cold area; The northeast, Inner Mongol, the northwest that comprise China; Xinjiang is because the fate of 0 ℃ of following temperature accounts for annual 40-50%; Some PVC boardy products are usually used under very low temperature (20 ℃-0 ℃) condition, and universal chlorinated polyvinyl chloride can not satisfy the application requiring of the shock resistance of PVC boardy product fully.
Summary of the invention
the objective of the invention is invention and exactly universal chlorinated polyvinyl chloride are carried out modification, and the plastics that form anti-very low temperature, H.T. are with chlorinated polyethylene modified material and preparation method thereof.
The object of the invention realizes through following technical scheme:
The plastics of
anti-very low temperature, H.T. are used chlorinated polyethylene modified material; Its composition comprises: the high-density chlorinatedpolyethylene; Described high-density chlorinatedpolyethylene is the product that is obtained by the abundant respectively chlorination of the high density polyethylene(HDPE) of the high density polyethylene(HDPE) of molecular weight 20-30 ten thousand and molecular weight 15-25 ten thousand; Be labeled as PE-C and CM respectively, proportioning between the two is 100:5-10, crosses 100 screen residues less than 30%.
The plastics of
described anti-very low temperature, H.T. are used chlorinated polyethylene modified material, and in the described high density polyethylene(HDPE), multichained construction, branched structure account for 5-10%.
The plastics of
a kind of anti-very low temperature, H.T. are with the preparation technology of chlorinated polyethylene modified material; Comprise: the high density polyethylene(HDPE) to molecular weight 20-30 ten thousand carries out chlorination; Described chlorination is for repeatedly leading to chlorine, and washing neutralizes then, and sieving after the drying obtains PE-C; High density polyethylene(HDPE) to molecular weight 15-25 ten thousand carries out chlorination, and described chlorination is for repeatedly leading to chlorine, and washing neutralization is then sieved after the drying, obtains CM; Obtain material modified according to the 100:5-15 mixing PE-C and CM.
The plastics of
described anti-very low temperature, H.T. are used chlorinated polyethylene modified preparation methods, and described chlorination for repeatedly leading to chlorine, is 5-8 time with the chlorine number of times, and the logical at every turn chlorine time is 10-20 minute, and be 3-5 minute pitch time.
The plastics of
described anti-very low temperature, H.T. are used chlorinated polyethylene modified preparation methods; In the described high density polyethylene(HDPE); Multichained construction, branched structure account for 5-10%; Control PE-C and CM particle are moderate evenly in the described screening process, cross 100 screen residues less than 30%.
Beneficial effect:
make that the high density polyethylene(HDPE) chlorination is even, particle is moderate evenly.Through introducing rubber-type chlorinated polyethylene (CM, the commercial CM135 that is labeled as usually are used for the additive of rubber industry), with universal chlorinated polyvinyl chloride proportional mixing, the plastics that become anti-very low temperature, H.T. are used chlorinated polyethylene modified material.This material modified; Can form reticulated structure with the PVC macromolecular chain on the microcosmic, be dispersed in the PVC molecular chain, rely on its H.T. characteristic to bear the shock resistance of PVC macromolecular material under the very low temperature; Show as the application performance of (20 ℃-0 ℃) under the processing characteristics and subzero temperature of having improved the PVC boardy product on the macroscopic view; And have material mixing and disperse with plasticizing effect well, can realize that production cleans, advantage such as reduce cost; Make Vilaterm broken fully, broken through CM and can only add the traditional concept in the rubber in the application limitations of cold district.The present invention is the important breakthrough of commercial applications technology, particularly at the material proportion that leads to chlorine number of times, multichained construction and branched structure, and under the Comprehensive Control of final fineness and blending ratio, can access best effect.In northern China, refrigerant latitudes such as Russia, Northern Europe, Canada will have wide practical use, and replace the Vilaterm raw material that uses at present fully.
Embodiment:
Embodiment 1:
The plastics of
a kind of anti-very low temperature, H.T. are with the preparation technology of chlorinated polyethylene modified material; Comprise: the high density polyethylene(HDPE) to molecular weight 20-30 ten thousand carries out chlorination; Described chlorination is for repeatedly leading to chlorine, and the number of times of chlorine is 5 times or 6 times or 7 times or 8 times, and washing neutralizes then; 100 mesh sieves that sieve after the drying obtain PE-C135; High density polyethylene(HDPE) to molecular weight 15-25 ten thousand carries out chlorination, and described chlorination is logical chlorine repeatedly, washing neutralization then, and 100 mesh sieves are crossed in dry back, obtain CM135; With PE-C135 and CM135 according to 100:5 or 6,7,8,9,10,11,12,13,14,15 ratio or during the mixed of fractional value, obtain material modified.
Embodiment 2:
The plastics of
embodiment 1 described anti-very low temperature, H.T. are used chlorinated polyethylene modified preparation methods; Described chlorination for repeatedly leading to chlorine, is 5-8 time with the chlorine number of times; Each logical chlorine time is 10-20 minute, and be 3-5 minute pitch time.
Embodiment 3:
above-mentioned anti-very low temperature, the plastics of H.T. are used chlorinated polyethylene modified material, and in the described high density polyethylene(HDPE), multichained construction, branched structure account for 5-10%.
Claims (5)
1. the plastics of an anti-very low temperature, H.T. are used chlorinated polyethylene modified material; Its composition comprises: the high-density chlorinatedpolyethylene; It is characterized in that: described high-density chlorinatedpolyethylene is the product that is obtained by the abundant respectively chlorination of the high density polyethylene(HDPE) of the high density polyethylene(HDPE) of molecular weight 20-30 ten thousand and molecular weight 15-25 ten thousand; Be labeled as PE-C and CM respectively, proportioning between the two is 100:5-10, crosses 100 screen residues less than 30%.
2. the plastics of anti-very low temperature according to claim 1, H.T. are used chlorinated polyethylene modified material, it is characterized in that: in the described high density polyethylene(HDPE), multichained construction, branched structure account for 5-10%.
3. the plastics of an anti-very low temperature, H.T. are with the preparation technology of chlorinated polyethylene modified material; Comprise: the high density polyethylene(HDPE) to molecular weight 20-30 ten thousand carries out chlorination; It is characterized in that: described chlorination is for repeatedly leading to chlorine, and washing neutralizes then, and sieving after the drying obtains PE-C; High density polyethylene(HDPE) to molecular weight 15-25 ten thousand carries out chlorination, and described chlorination is for repeatedly leading to chlorine, and washing neutralization is then sieved after the drying, obtains CM; Obtain material modified according to the 100:5-15 mixing PE-C and CM.
4. the plastics of anti-very low temperature according to claim 3, H.T. are used chlorinated polyethylene modified preparation methods; It is characterized in that: described chlorination for repeatedly leading to chlorine, is 5-8 time with the chlorine number of times; Each logical chlorine time is 10-20 minute, and be 3-5 minute pitch time.
5. use chlorinated polyethylene modified preparation methods according to the plastics of claim 3 or 4 described anti-very low temperature, H.T.; It is characterized in that: in the described high density polyethylene(HDPE); Multichained construction, branched structure account for 5-10%; Control PE-C and CM particle are moderate evenly in the described screening process, cross 100 screen residues less than 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112515.1A CN102627811B (en) | 2012-04-17 | 2012-04-17 | Resistance to ultralow temperature, plastics chlorinated polyethylene modified material and the preparation method of high tenacity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210112515.1A CN102627811B (en) | 2012-04-17 | 2012-04-17 | Resistance to ultralow temperature, plastics chlorinated polyethylene modified material and the preparation method of high tenacity |
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| Publication Number | Publication Date |
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| CN102627811A true CN102627811A (en) | 2012-08-08 |
| CN102627811B CN102627811B (en) | 2016-08-03 |
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| CN201210112515.1A Active CN102627811B (en) | 2012-04-17 | 2012-04-17 | Resistance to ultralow temperature, plastics chlorinated polyethylene modified material and the preparation method of high tenacity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504108A (en) * | 2016-01-05 | 2016-04-20 | 临沂奥星化工有限公司 | Preparation method for high-chlorinated polyethylene |
| CN106008757A (en) * | 2016-05-24 | 2016-10-12 | 山东日科橡塑科技有限公司 | Polyvinyl chloride low-temperature toughening modifier and polyvinyl chloride mixture with toughening modifier |
| CN107118290A (en) * | 2017-06-09 | 2017-09-01 | 江苏科利新材料有限公司 | A kind of method that environment-friendly type aqueous phase method prepares haloflex |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631918A (en) * | 2004-11-23 | 2005-06-29 | 邵显清 | Method for parallel aqueous suspension preparation of chlorinated polyethylene |
| CN102260361A (en) * | 2011-06-03 | 2011-11-30 | 杭州新元化工技术开发有限公司 | Preparation method of chlorinated polyethylene |
-
2012
- 2012-04-17 CN CN201210112515.1A patent/CN102627811B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631918A (en) * | 2004-11-23 | 2005-06-29 | 邵显清 | Method for parallel aqueous suspension preparation of chlorinated polyethylene |
| CN102260361A (en) * | 2011-06-03 | 2011-11-30 | 杭州新元化工技术开发有限公司 | Preparation method of chlorinated polyethylene |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504108A (en) * | 2016-01-05 | 2016-04-20 | 临沂奥星化工有限公司 | Preparation method for high-chlorinated polyethylene |
| CN106008757A (en) * | 2016-05-24 | 2016-10-12 | 山东日科橡塑科技有限公司 | Polyvinyl chloride low-temperature toughening modifier and polyvinyl chloride mixture with toughening modifier |
| CN107118290A (en) * | 2017-06-09 | 2017-09-01 | 江苏科利新材料有限公司 | A kind of method that environment-friendly type aqueous phase method prepares haloflex |
| CN107118290B (en) * | 2017-06-09 | 2019-02-22 | 江苏科利新材料有限公司 | A kind of method that environment-friendly type water phase method prepares haloflex |
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| Publication number | Publication date |
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| CN102627811B (en) | 2016-08-03 |
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