CN101824193B - Cold-resistant PVC cable material and preparation method thereof - Google Patents
Cold-resistant PVC cable material and preparation method thereof Download PDFInfo
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- CN101824193B CN101824193B CN 201010113828 CN201010113828A CN101824193B CN 101824193 B CN101824193 B CN 101824193B CN 201010113828 CN201010113828 CN 201010113828 CN 201010113828 A CN201010113828 A CN 201010113828A CN 101824193 B CN101824193 B CN 101824193B
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- cold
- vinyl acetate
- resistant
- pvc
- temperature
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 13
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004800 polyvinyl chloride Substances 0.000 claims description 50
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 49
- 229920005989 resin Polymers 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 27
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 12
- 238000005469 granulation Methods 0.000 claims description 9
- 230000003179 granulation Effects 0.000 claims description 9
- 239000004902 Softening Agent Substances 0.000 claims description 5
- 238000004898 kneading Methods 0.000 claims description 5
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000001404 mediated effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 7
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 7
- 239000004014 plasticizer Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IHLDEDLAZNFOJB-UHFFFAOYSA-N 6-octoxy-6-oxohexanoic acid Chemical compound CCCCCCCCOC(=O)CCCCC(O)=O IHLDEDLAZNFOJB-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- YKGYQYOQRGPFTO-UHFFFAOYSA-N bis(8-methylnonyl) hexanedioate Chemical compound CC(C)CCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC(C)C YKGYQYOQRGPFTO-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- -1 dioctyl ester Chemical class 0.000 description 1
- XWVQUJDBOICHGH-UHFFFAOYSA-N dioctyl nonanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCC(=O)OCCCCCCCC XWVQUJDBOICHGH-UHFFFAOYSA-N 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention relates to a cold-resistant PVC cable material which can resist the cold of minus 50DEG C, and a preparation method thereof; the material comprises PVC cable material; and after being added with the multipolymer of vinyl chloride and vinyl acetate, the cold resistant temperature of the cable material reaches minus 50DEG C. The invention has the advantages that: 1. the low-temperature impact brittleness temperature of the prepared low temperature resistant cable material can reaches minus 50DEG C; and 2. not only the process performance of PVC is not changed but also the manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of cold-resistant a kind of cold-resistant PVC cable material and preparation method who reaches subzero 50 degree, belong to CABLE MATERIALS and CABLE MATERIALS preparation method and make the field.
Background technology
The PVC plastics are one of five large general synthetic plasticss, are to be only second in the world at present poly second largest plastics variety.Because polyvinyl chloride (PVC) RESINS has good physical and mechanical properties, can be used for producing material of construction, wrapping material, electronic material, daily necessities etc. are widely used in industry, agricultural, building, communications and transportation, each field such as power telecommunication and packing.But winter hardiness and the low-temperature impact resistance of PVC are relatively poor, have limited its application under cold condition.
One of winter hardiness method that improves the PVC soft goods is to obtain by adding cold resistant plasticizer, general cold resistant plasticizer has: DOA (Octyl adipate), DOZ (dioctyl azelate), DOS (SA dioctyl ester), DIDA (hexanodioic acid two different certain herbaceous plants with big flowers esters), and the consistency of above-mentioned cold resistant plasticizer and PVC is bad, in fact can only use as the extender plasticizer that improves winter hardiness, its consumption is generally 5～20% of primary plasticizer, and these cold resistant plasticizer ubiquity volatility are large, the shortcoming of oil-proofness and poor heat resistance has limited the use of these softening agent.
Improve PVC winter hardiness method two be that to add second-order transition temperature low, show elastomeric polymkeric substance under the room temperature.Wherein added polymkeric substance should have close solubility parameter with PVC, and the ability of necessarily dissolving each other is arranged, and can form the blend of two phase structure.CPE can improve the cold tolerance of PVC goods, adds the low-temperature performance that a certain amount of CPE can improve the PVC goods, but the temperature below-30 degree, itself just has the embrittlement phenomenon CPE resin.
Improve PVC winter hardiness method three be to add EVA, the low-temperature performance of EVA is fine, limit low temperature can reach-70 degree, but the intermiscibility of EVA and PVC is poor.
Improve PVC winter hardiness method four be to add thermoplastic polyurethane (TPU), although TPU has good low-temperature performance, and PVC and TPU can be total to molten by arbitrary proportion, therefore TPU can do the non-volatile and anti-migration softening agent use of PVC, PVC embrittlement temperature after the modification can reach-60 degree, but TPU is expensive, and the PVC processing performance after the TPU modification is relatively poor.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of cold-resistant a kind of cold-resistant PVC cable material and preparation method who reaches subzero 50 degree.
Design: in order to realize above-mentioned purpose of design.1, the present invention is added with the design of the multipolymer (P (VC-VAC)) of vinylchlorid and vinyl acetate between to for plastic in the PVC CABLE MATERIALS, is one of technical characterictic of the present invention.The purpose of doing like this is: the multipolymer of vinylchlorid and vinyl acetate between to for plastic is that vinyl chloride monomer and vinyl acetate between to for plastic copolymerization under the effect of initiator get, namely claim vinyl chloride-vinyl acetate resin, vinyl chloride-vinyl acetate resin is very similar to EVA on performance, particularly low-temperature performance can reach below-65 degree, particularly vinyl chloride-vinyl acetate resin is compared with EVA, vinyl chloride-vinyl acetate resin contains the cl radical of polarity, and the intermiscibility of this cl radical and PVC is good especially, almost can be with the arbitrary proportion blend; Secondly, because vinyl chloride-vinyl acetate resin is solid polymer, do not have transport property, also do not have volatility, resistance toheat is good, does not change the processing performance of PVC, and moderate, therefore can produce both anti--50 degree severe cold, has again the CABLE MATERIALS of price advantage.
Technical scheme 1: a kind of cold-resistant PVC cable material, it comprises the PVC CABLE MATERIALS, the cold-resistant temperature that described PVC CABLE MATERIALS is added with the CABLE MATERIALS of gained behind the multipolymer of vinylchlorid and vinyl acetate between to for plastic reaches subzero 50 degree.
Technical scheme 2: a kind of preparation method of cold-resistant PVC cable material, it comprises batching, kneading and granulation, during (1) batching, in 100 parts of PVC material, adds 5～8 parts of vinyl chloride-vinyl acetate resins; When (2) mediating, add successively 100 parts of polyvinyl chloride resins, powder, softening agent, lubricant, the control temperature was mediated 8～15 minutes between 80 ℃～100 ℃, and then added vinyl chloride-vinyl acetate resin kneading 1～3 minute; (3) during granulation, the extruding machine temperature is controlled at granulation between 120 ℃～150 ℃, the cold-resistant temperature of the CABLE MATERIALS made from its particle reaches subzero 50 degree.
The present invention compares with background technology, and the one, made low-temperature-resistant cable material, its low-temperature impact embrittlement temperature can reach-50 degree; The 2nd, neither can change the processing performance of PVC and low cost of manufacture.
Embodiment
Embodiment 1: a kind of cold-resistant PVC cable material, it comprises the PVC CABLE MATERIALS, the cold-resistant temperature that described PVC CABLE MATERIALS is added with the CABLE MATERIALS of gained behind the multipolymer of vinylchlorid and vinyl acetate between to for plastic reaches subzero 50 degree, the multipolymer of its vinylchlorid and vinyl acetate between to for plastic is that vinyl chloride monomer and vinyl acetate between to for plastic copolymerization under the effect of initiator namely get vinyl chloride-vinyl acetate resin, and its vinyl acetate content is between 10～25 and comprise end value in the vinyl chloride-vinyl acetate resin.In 100 parts of PVC CABLE MATERIALS, add 5～8 parts of vinyl chloride-vinyl acetate resins and reach subzero 50 cable materials of spending by preparing the temperature that to obtain to resist cold, its 5～8 parts of vinyl chloride-vinyl acetate resins refer to 5～8 part of 14/60 (K value 60, VA content 10% or 15% or 20% or 25%) any value and comprise end value in the scope, value unit is weight.
Embodiment 2: on the basis of embodiment 1, add 5 parts of vinyl chloride-vinyl acetate resins and reach subzero 50 cable materials of spending by preparing the temperature that can obtain resisting cold in 100 parts of PVC CABLE MATERIALS.
Embodiment 3: on the basis of embodiment 1, add 6 parts of vinyl chloride-vinyl acetate resins and reach subzero 50 cable materials of spending by preparing the temperature that can obtain resisting cold in 100 parts of PVC CABLE MATERIALS.
Embodiment 4: on the basis of embodiment 1, add 7 parts of vinyl chloride-vinyl acetate resins and reach subzero 50 cable materials of spending by preparing the temperature that can obtain resisting cold in 100 parts of PVC CABLE MATERIALS.
Embodiment 5: on the basis of embodiment 1, add 8 parts of vinyl chloride-vinyl acetate resins and reach subzero 50 cable materials of spending by preparing the temperature that can obtain resisting cold in 100 parts of PVC CABLE MATERIALS.
Embodiment 6: on the basis of embodiment 1～5, and a kind of preparation method of cold-resistant PVC cable material, it comprises batching, kneading and granulation, during (1) batching, in 100 parts of PVC material, adds 5～8 parts of vinyl chloride-vinyl acetate resins; When (2) mediating, add successively 100 parts of polyvinyl chloride resins, powder, softening agent, lubricant, the control temperature (is chosen wantonly scope in and is comprised end value at 80 ℃～100 ℃, namely 80 ℃, 85 ℃ ..., 95 ℃, 100 ℃) between, mediate optional in 8～15 minutes scopes and comprise end value (namely 8 minutes, 9 minutes ..., 14 minutes, 15 minutes), and then add vinyl chloride-vinyl acetate resin mediate optional in 1～3 minute scope and comprise end value (namely 1 minute, 1.5 minutes ..., 2.5 minutes, 3 minutes); (3) during granulation, with the extruding machine temperature be controlled at 120 ℃～150 ℃ (optional and comprise end value in the scope, namely 120 ℃, 125 ℃ ..., 145 ℃, 150 ℃) between granulation, the cold-resistant temperature of the CABLE MATERIALS made from its particle reaches subzero 50 degree.
What need to understand is: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than to the restriction of mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (5)
1. cold-resistant PVC cable material, it comprises the PVC CABLE MATERIALS, it is characterized in that: the cold-resistant temperature that described PVC CABLE MATERIALS is added with the CABLE MATERIALS of gained behind the multipolymer of vinylchlorid and vinyl acetate between to for plastic reaches subzero 50 degree.
2. cold-resistant PVC cable material according to claim 1, it is characterized in that: the multipolymer of vinylchlorid and vinyl acetate between to for plastic is that vinyl chloride monomer and vinyl acetate between to for plastic copolymerization under the effect of initiator namely get vinyl chloride-vinyl acetate resin.
3. cold-resistant PVC cable material according to claim 1 is characterized in that: add 5～8 parts of vinyl chloride-vinyl acetate resins in 100 parts of PVC CABLE MATERIALS.
4. cold-resistant PVC cable material according to claim 1 and 2, it is characterized in that: its vinyl acetate content is 10～25% in the vinyl chloride-vinyl acetate resin.
5. the preparation method of a cold-resistant PVC cable material, it comprises batching, kneading and granulation, it is characterized in that:
When (1) preparing burden, in 100 parts of PVC material, add 5～8 parts of vinyl chloride-vinyl acetate resins;
When (2) mediating, add successively 100 parts of polyvinyl chloride resin powders, softening agent, lubricant, the control temperature was mediated 8～15 minutes between 80 ℃～100 ℃, and then added vinyl chloride-vinyl acetate resin kneading 1～3 minute;
(3) during granulation, the extruding machine temperature is controlled at granulation between 120 ℃～150 ℃, the cold-resistant temperature of the CABLE MATERIALS made from its particle reaches subzero 50 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010113828 CN101824193B (en) | 2010-02-24 | 2010-02-24 | Cold-resistant PVC cable material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010113828 CN101824193B (en) | 2010-02-24 | 2010-02-24 | Cold-resistant PVC cable material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101824193A CN101824193A (en) | 2010-09-08 |
| CN101824193B true CN101824193B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010113828 Active CN101824193B (en) | 2010-02-24 | 2010-02-24 | Cold-resistant PVC cable material and preparation method thereof |
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| MX2012003941A (en) | 2009-09-30 | 2012-06-19 | Dow Global Technologies Llc | Acetylated derivatives of castor oil and their blends with epoxidized fatty acid esters. |
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Address after: 311116 No. 3, Houcun Bridge Road, Jingshan Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou High Tech Materials Technology Co.,Ltd. Country or region after: China Address before: No. 10 Longhuang Road, Jingshan Town, Yuhang District, Hangzhou City, Zhejiang Province, 311116 Patentee before: HANGZHOU GAOXIN RUBBER MATERIAL Co.,Ltd. Country or region before: China |