CN104629211A - PVC-U threading tube and preparation method thereof - Google Patents
PVC-U threading tube and preparation method thereof Download PDFInfo
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- CN104629211A CN104629211A CN201510056299.7A CN201510056299A CN104629211A CN 104629211 A CN104629211 A CN 104629211A CN 201510056299 A CN201510056299 A CN 201510056299A CN 104629211 A CN104629211 A CN 104629211A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention relates to a PVC-U threading tube and a preparation method thereof. The PVC-U threading tube comprises the following raw materials in parts by weight: 50.0-100.0 parts of PVC, 10.0-20.0 parts of inorganic filler, 2.0-3.0 parts of a stabilizer, 0.3-0.5 part of PE wax, 0.2-0.5 part of stearic acid, 6.0-8.0 parts of chlorinated polyethylene and 8.5-13.5 parts of additives. The preparation method comprises the following steps of firstly, uniformly mixing the raw materials in a special high-temperature and low-temperature mixing machine for PVC, firstly carrying out hot mixing for 8-15 minutes at a mixing temperature of 120-125 DEG C and then carrying out cold mixing for 15-20 minutes at a mixing temperature of 30-40 DEG C to obtain a mixed material and finally, extruding the prepared mixed material through a conical twin-screw extruder to obtain the threading tube.
Description
Technical field
The present invention relates to polychloroethylene pipes field, particularly the PVC-U threading tubing of a kind of high tensile, high elongation at tear and the preparation method of this threading tubing.
Background technology
Plastics penetration pipe and insulating electrical casing pipe for building, the penetration pipe of its PVC-U material has resistance to compression, anti-impact, heat-resisting, moistureproof acid and alkali-resistance, thermal resistance fire prevention and the characteristics such as easy construction, its thickness of pipe is at more than 1.6mm, just 750N can be born with upward pressure, therefore can also can be located in concrete by bright dress, can not pressurized and destroying; In concrete placement, being subject to making impact normally firm by ramming can not break, and in construction process, be subject to solidifying heat effect not deliquescing; Can not corrosion, each limit meets place by the adhesion of regulation PVC tackiness agent, waterproofly infilters in pipe, and moistureproofness is better, and is comparatively adapted at using in corrosive atmosphere; PVC-U electrical casing pipe (namely can put out in 30 seconds from sky flame) from fire certainly from putting out, and flame can not spread along pipeline; Can block easily with tubing cutter, in wire conduit, insert corresponding special purpose spring, manually may arbitrarily bend to required angle at normal temperatures, quickly and easily wire conduit can be linked to be the pipeline of desired shape in construction; Therefore its consumption occupied in the various plastic conduits of China is very large, is the only selection that most of Market Consumer selects pipeline; The output of PVC-U penetration pipe has accounted for more than 50% of plastic pipe ultimate production, is widely used in a lot of industry such as power industry, cable protection pipe, building, agricultural.PVC-U penetration pipe also has a lot of advantage, PVC can better be compatible with various auxiliary agent, cheap filler can be added in process of production thus reduce costs, PVC-U penetration pipe is lightweight, being beneficial to installation is matter of public knowledge, but as above, it possesses fabulous erosion resistance, extends the work-ing life of penetration pipe; PVC-U penetration pipe can recycling, is green material.But at traditional conventional PVC-U penetration pipe in use, because its tensile strength and elongation at break are not high, therefore when PVC-U penetration pipe can easily break when being subject to tensile stress.So be necessary the PVC-U penetration pipe researching and developing a kind of high tensile high elongation at tear.
Summary of the invention
The object of the present invention is to provide a kind of high tensile, high elongation at tear PVC-U penetration pipe and manufacture method thereof, its technical problem to be solved is: tensile strength and the elongation at break of traditional conventional PVC-U tubing are not high, therefore this PVC-U threading tubing in use, can easily break when being subject to the equal stress such as stretching, impact.
For solving the problems of the technologies described above, the invention provides a kind of PVC-U threading tubing, it is made up of the following starting material counted by weight:
PVC 50.0-100.0 part,
Mineral filler 10.0-20.0 part,
Stablizer 2.0-3.0 part,
PE wax 0.3-0.5 part,
Stearic acid 0.2-0.5 part,
Chlorinatedpolyethylene 6.0-8.0 part,
Auxiliary agent 8.5-13.5 part.
Be preferable over: described stablizer is a kind of or several arbitrarily arbitrary proportion mixture in lead salt stabilizer, metal soap stablizer and one package stabilizer.
Be preferable over: described mineral filler is the mixture of the arbitrary proportion of one or more in the mixture of the arbitrary proportion of one or more in silicates or calcium carbonate.
Be preferable over: described mineral filler be in potter's clay, talcum powder, mica powder and asbestos powder one or more arbitrary proportion mixture or be water-ground limestone, one or more arbitrary proportion mixture in light calcium carbonate.
Be preferable over: described auxiliary agent comprises the following component with weight parts:
Anti-impact MBS properties-correcting agent 5.0-7.0 part,
Anti-impact ACR properties-correcting agent 2.0-3.0 part,
ACR processing aid 1.0-1.5 part,
Lubricant 0.5-1.0 part.
Be preferable over: described lubricant is a kind of or several arbitrarily mixture in clorafin, chlorinatedpolyethylene wax, polyol esters of fatty acids and glyceryl ester.
A preparation method for PVC-U threading tubing, it comprises the following steps:
(1) above-mentioned starting material are mixed in PVC Special high-low temperature mixer, wherein, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature be respectively heat mix for 120-125 DEG C, coldly to mix as 30-40 DEG C, obtain mixture;
(2) mixture produced in step (1) is extruded through conical double screw extruder, obtained penetration pipe.
Compared with prior art, the invention has the beneficial effects as follows: the present invention for make join PVC-U threading tubing formula in have employed anti-impact MBS properties-correcting agent and anti-impact ACR properties-correcting agent, effectively can improve tensile strength and the elongation at break of penetration pipe, and processing aid ACR and lubricant coordinated anti-impact MBS properties-correcting agent and anti-impact ACR properties-correcting agent, therefore jointly improve tensile strength and the elongation at break of PVC-U penetration pipe, make formula of the present invention make the feature that the PVC-U threading tubing of joining has high tensile, high elongation at tear; Invention also provides the preparation method of PVC-U threading tubing of a kind of high tensile, high elongation at tear, this methodological science is reasonable, simple, and the starting material that the formula of PVC-U threading tubing can be provided are made simply, efficiently and are made into a kind of PVC-U threading tubing with high tensile, high elongation at tear.
Embodiment
A kind of high tensile high elongation at tear PVC-U penetration pipe proposed the present invention below with reference to each preferred embodiment and manufacture method thereof specifically illustrate.
The invention provides a kind of method preparing PVC-U threading tubing,
First, the following starting material counted by weight are got according to formula:
PVC 50.0-100.0 part,
Mineral filler 10.0-20.0 part,
Stablizer 2.0-3.0 part,
PE wax 0.3-0.5 part,
Stearic acid 0.2-0.5 part,
Chlorinatedpolyethylene 6.0-8.0 part,
Auxiliary agent 8.5-13.5 part,
Described mineral filler is the mixture of the arbitrary proportion of one or more in the mixture of the arbitrary proportion of one or more in silicates or calcium carbonate, and namely described mineral filler to can be in potter's clay (also claiming " clay: Al2O32SiO22H2O "), talcum powder, mica powder and asbestos powder the arbitrary proportion mixture of one or more or is one or more arbitrary proportion mixture in water-ground limestone, light calcium carbonate; Described stablizer is a kind of or several arbitrarily arbitrary proportion mixture in lead salt stabilizer, metal soap stablizer and one package stabilizer;
Described auxiliary agent is made up of the component of following weight part:
Anti-impact MBS properties-correcting agent 5.0-7.0 part,
Anti-impact ACR properties-correcting agent 2.0-3.0 part,
ACR processing aid 1.0-1.5 part,
Lubricant 0.5-1.0 part;
Wherein, described anti-impact MBS(MBS) properties-correcting agent be with methyl methacrylate, vinylbenzene, divinyl be main raw material adopt the synthesis of emulsion grafting polymerization method in polyvinyl chloride resin, play the high effect stretched, MBS is in polyhutadiene or Polybutadiene-styrene emulsion, add methyl methacrylate carry out graft copolymerization and obtain, adding of MBS resin, the impelling strength of PVC can be improved, increase the transparency of polyvinyl chloride; Methyl methacrylate is close with PVC solubility parameter, formed in mixing process with PVC and there is good consistency mutually, core is the styrene-butadiene rubber(SBR) of synthesis, forms special whippy structure and improves tensile strength performance, " YFG-56 " that the preferred Yue Fenggao branch and subsidiaries of described anti-impact MBS properties-correcting agent produce;
Described anti-impact ACR properties-correcting agent is with methyl methacrylate, butyl acrylate for main raw material, adopts the impact modifier of " core-shell structure copolymer " structure of letex polymerization synthesis; " core " is based on acrylate butyl ester, and " shell " is the elongation at break that methyl methacrylate is used for improving PVC product, the YFG-55 that the preferred Yue Fenggao branch and subsidiaries of described anti-impact ACR properties-correcting agent produce;
Described ACR processing aid is acrylic ester high molecular type amount processing aid, and its plasticizing is fast, melt strength is high, the rheological property that effectively can promote PVC material, improves the processing fluidity of product, the YFG-530 that preferred Yue Fenggao branch and subsidiaries produce;
Described lubricant is a kind of or several arbitrarily mixture in clorafin, chlorinatedpolyethylene wax, polyol esters of fatty acids and glyceryl ester;
Secondly, above-mentioned starting material are dropped in PVC Special high-low temperature mixer, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature be respectively heat mix for 120-125 DEG C, coldly to mix as 30-40 DEG C, obtain mixture after Homogeneous phase mixing;
Finally, the mixture produced is extruded through conical double screw extruder, obtained penetration pipe.
The present invention debugs product result according to a kind of formula of PVC-U threading tubing, four factors according to having the greatest impact to product: anti-impact MBS properties-correcting agent, anti-impact ACR properties-correcting agent, ACR processing aid, lubricant, the impact of each factor on product performance according to orthogonal design formulating, and debugging optimization is carried out to equipment in production process, and then obtain optimum product and optimum formula, refer to the following example, note: in the following example all with 100 parts of PVC for benchmark, all the other additives are adjusted, the improvement of PVC number is also belonged to the protection domain of this patent, following each embodiment is only the preferred preferred embodiment of the present invention, .
Embodiment one:
Prepare a kind of PVC-U threading tubing,
First, the following starting material counted by weight are got:
PVC 100.0 parts,
Light calcium carbonate 10.0 parts,
Stablizer 2.5 parts,
0.3 part, PE wax,
Stearic acid 0.3 part,
Chlorinatedpolyethylene 7.0 parts,
YFG-56 5.0 parts,
YFG-55 2.0 parts,
YFG-530 1.0 parts,
Dimerization polyethylene wax 0.5 part;
Secondly, above-mentioned starting material are dropped in PVC Special high-low temperature mixer, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature is heat, and to mix be 120 DEG C, cold mixing is 40 DEG C, obtains mixture after Homogeneous phase mixing;
Finally, the mixture produced is extruded through conical double screw extruder, obtained penetration pipe.
Embodiment two:
Prepare a kind of PVC-U threading tubing,
First, the following starting material counted by weight are got:
PVC 100.0 parts,
Light calcium carbonate 15.0 parts,
Stablizer 2.5 parts,
0.4 part, PE wax,
Stearic acid 0.3 part,
Chlorinatedpolyethylene 7.0 parts,
YFG-56 6.0 parts,
YFG-55 2.0 parts,
YFG-530 1.0 parts,
Dimerization polyethylene wax 0.5 part;
Secondly, above-mentioned starting material are dropped in PVC Special high-low temperature mixer, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature is heat, and to mix be 120 DEG C, cold mixing is 40 DEG C, obtains mixture after Homogeneous phase mixing;
Finally, the mixture produced is extruded through conical double screw extruder, obtained penetration pipe.
Embodiment three:
Prepare a kind of PVC-U threading tubing,
First, the following starting material counted by weight are got:
PVC 100.0 parts,
Light calcium carbonate 15.0 parts,
Stablizer 2.5 parts,
0.4 part, PE wax,
Stearic acid 0.3 part,
Chlorinatedpolyethylene 7.0 parts,
YFG-56 5.0 parts,
YFG-55 3.0 parts,
YFG-530 1.0 parts,
Dimerization polyethylene wax 0.5 part;
Secondly, above-mentioned starting material are dropped in PVC Special high-low temperature mixer, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature is heat, and to mix be 120 DEG C, cold mixing is 40 DEG C, obtains mixture after Homogeneous phase mixing;
Finally, the mixture produced is extruded through conical double screw extruder, obtained penetration pipe.
Embodiment four:
Prepare a kind of PVC-U threading tubing,
First, the following starting material counted by weight are got:
PVC 100.0 parts,
Light calcium carbonate 10.0 parts,
Stablizer 2.5 parts,
0.5 part, PE wax,
Stearic acid 0.4 part,
Chlorinatedpolyethylene 7.0 parts,
YFG-56 5.0 parts,
YFG-55 2.0 parts,
YFG-530 1.5 parts,
Dimerization polyethylene wax 1.0 parts;
Secondly, above-mentioned starting material are dropped in PVC Special high-low temperature mixer, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature is heat, and to mix be 120 DEG C, cold mixing is 40 DEG C, obtains mixture after Homogeneous phase mixing;
Finally, the mixture produced is extruded through conical double screw extruder, obtained penetration pipe.
Comparative example one:
Prepare a kind of PVC threading tubing,
First, the following starting material counted by weight are got:
PVC 100.0 parts,
Light calcium carbonate 15.0 parts,
Stablizer 2.5 parts,
0.4 part, PE wax,
Stearic acid 0.3 part,
Chlorinatedpolyethylene 10.0 parts,
Secondly, above-mentioned starting material are dropped in PVC Special high-low temperature mixer, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature is heat, and to mix be 120 DEG C, cold mixing is 40 DEG C, obtains mixture after Homogeneous phase mixing;
Finally, the mixture produced is extruded through conical double screw extruder, obtained penetration pipe.
Threading tubing prepared by above-described embodiment one to four and comparative example one is carried out on HT-XWW20 almighty test machine the mensuration of tensile strength and elongation at break, its result is as table 1:
Table 1: experimental test result
| Embodiment one | Embodiment two | Embodiment three | Embodiment four | Comparative example one | |
| Tensile strength (mpa) | 36.8 | 36.5 | 35.9 | 37.0 | 31.4 |
| Elongation at break (%) | 161 | 160 | 162 | 170 | 135 |
Can be found out by table 1, the tensile strength of embodiment one to four and elongation at break will far away higher than tensile strength and the elongation at breaks of comparative example one.
Described on comprehensive, technical scheme of the present invention can fully effectively complete foregoing invention object, and structural principle of the present invention and the principle of work and power are all verified in an embodiment fully, and effect and the object of expection can be reached, and embodiments of the invention also can convert according to these principles, therefore, the present invention includes all in claim mention all replacement contents in scope; Any equivalence change done in the present patent application the scope of the claims, within the scope of the claims of all genus this case applications; It should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a PVC-U threading tubing, it is made up of the following starting material counted by weight:
PVC 50.0-100.0 part,
Mineral filler 10.0-20.0 part,
Stablizer 2.0-3.0 part,
PE wax 0.3-0.5 part,
Stearic acid 0.2-0.5 part,
Chlorinatedpolyethylene 6.0-8.0 part,
Auxiliary agent 8.5-13.5 part.
2. a kind of PVC-U threading tubing as claimed in claim 1, is characterized in that: described stablizer is a kind of or several arbitrarily arbitrary proportion mixture in lead salt stabilizer, metal soap stablizer and one package stabilizer.
3. a kind of PVC-U threading tubing as claimed in claim 2, is characterized in that: described mineral filler is the mixture of the arbitrary proportion of one or more in the mixture of the arbitrary proportion of one or more in silicates or calcium carbonate.
4. a kind of PVC-U threading tubing as claimed in claim 3, is characterized in that: described mineral filler be in potter's clay, talcum powder, mica powder and asbestos powder one or more arbitrary proportion mixture or be water-ground limestone, one or more arbitrary proportion mixture in light calcium carbonate.
5., as a kind of PVC-U threading tubing in Claims 1-4 as described in any one, it is characterized in that: described auxiliary agent comprises the following component with weight parts:
Anti-impact MBS properties-correcting agent 5.0-7.0 part,
Anti-impact ACR properties-correcting agent 2.0-3.0 part,
ACR processing aid 1.0-1.5 part,
Lubricant 0.5-1.0 part.
6. a kind of PVC-U threading tubing as claimed in claim 5, is characterized in that: described lubricant is a kind of or several arbitrarily mixture in clorafin, chlorinatedpolyethylene wax, polyol esters of fatty acids and glyceryl ester.
7. a preparation method for PVC-U threading tubing, is characterized in that: comprise the following steps:
(1) above-mentioned starting material are mixed in PVC Special high-low temperature mixer, wherein, first heat mixed 8-15 minute, rear cold mixed 15-20 minute, and mixing temperature be respectively heat mix for 120-125 DEG C, coldly to mix as 30-40 DEG C, obtain mixture;
(2) mixture produced in step (1) is extruded through conical double screw extruder, obtained penetration pipe.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105153585A (en) * | 2015-09-07 | 2015-12-16 | 浙江中财管道科技股份有限公司 | Impact-resistant toughened PVC (polyvinyl chloride) pipe and preparation method thereof |
| CN105255048A (en) * | 2015-10-30 | 2016-01-20 | 永高股份有限公司 | Preparation method of high-performance environment-friendly U-PVC (unplasticized-polyvinyl chloride) pipe |
| CN105623150A (en) * | 2016-03-07 | 2016-06-01 | 浙江六环电线电缆有限公司 | Anti-cracking wire protective jacket and manufacturing technology thereof |
| CN107722501A (en) * | 2017-10-31 | 2018-02-23 | 山东国塑科技实业有限公司 | PVC penetration pipes and preparation method thereof |
| CN108219326A (en) * | 2018-04-03 | 2018-06-29 | 马鞍山顾地塑胶有限公司 | A kind of high impact PVC pipe formula and preparation method thereof |
| CN108492741A (en) * | 2018-05-10 | 2018-09-04 | 浙江黄岩星洲工贸有限公司 | The micro- decorative advertisement board of outdoor solar energy neon lamp simulating |
| CN112852071A (en) * | 2021-01-25 | 2021-05-28 | 湖南联塑科技实业有限公司 | High-compression-resistance PVC electrical casing pipe and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102329467A (en) * | 2011-07-28 | 2012-01-25 | 联塑科技发展(贵阳)有限公司 | Polyvinyl chloride pipeline and preparation method thereof |
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- 2015-02-04 CN CN201510056299.7A patent/CN104629211A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102329467A (en) * | 2011-07-28 | 2012-01-25 | 联塑科技发展(贵阳)有限公司 | Polyvinyl chloride pipeline and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105153585A (en) * | 2015-09-07 | 2015-12-16 | 浙江中财管道科技股份有限公司 | Impact-resistant toughened PVC (polyvinyl chloride) pipe and preparation method thereof |
| CN105255048A (en) * | 2015-10-30 | 2016-01-20 | 永高股份有限公司 | Preparation method of high-performance environment-friendly U-PVC (unplasticized-polyvinyl chloride) pipe |
| CN105623150A (en) * | 2016-03-07 | 2016-06-01 | 浙江六环电线电缆有限公司 | Anti-cracking wire protective jacket and manufacturing technology thereof |
| CN107722501A (en) * | 2017-10-31 | 2018-02-23 | 山东国塑科技实业有限公司 | PVC penetration pipes and preparation method thereof |
| CN107722501B (en) * | 2017-10-31 | 2019-12-03 | 山东国塑科技实业有限公司 | PVC penetration pipe and preparation method thereof |
| CN108219326A (en) * | 2018-04-03 | 2018-06-29 | 马鞍山顾地塑胶有限公司 | A kind of high impact PVC pipe formula and preparation method thereof |
| CN108492741A (en) * | 2018-05-10 | 2018-09-04 | 浙江黄岩星洲工贸有限公司 | The micro- decorative advertisement board of outdoor solar energy neon lamp simulating |
| CN112852071A (en) * | 2021-01-25 | 2021-05-28 | 湖南联塑科技实业有限公司 | High-compression-resistance PVC electrical casing pipe and preparation method and application thereof |
| CN112852071B (en) * | 2021-01-25 | 2022-07-26 | 湖南联塑科技实业有限公司 | High-compression-resistance PVC electrical casing pipe and preparation method and application thereof |
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Application publication date: 20150520 |