CN104710712A - Novel PVC-U tubular product and preparation method thereof - Google Patents
Novel PVC-U tubular product and preparation method thereof Download PDFInfo
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- CN104710712A CN104710712A CN201510133989.8A CN201510133989A CN104710712A CN 104710712 A CN104710712 A CN 104710712A CN 201510133989 A CN201510133989 A CN 201510133989A CN 104710712 A CN104710712 A CN 104710712A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a novel PVC-U tubular product. The tube comprises the following components in parts by weight: 30-50 parts of PVC resin, 5-8 parts of a calcium zinc stabilizer, 1-5 parts of an antioxidant, 2-8 parts of nano calcium carbonate, 1-3 parts of a lubricant and 2-5 parts of a crosslinking agent. The invention additionally discloses a preparation method of the PVC-U tubular product. The novel PVC-U tubular product provided by the invention is excellent in wear resistance, corrosion resistance and mechanical property, has a certain antistatic performance and good thermal stability and is a good environment-friendly material, and tubular product cost is greatly reduced.
Description
Technical field:
The present invention relates to technical field of macromolecules, be specifically related to a kind of novel PVC-U tubing.
Background technology:
The major ingredient of PVC is polyvinyl chloride, adds other one-tenth in addition and assigns to strengthen its thermotolerance, toughness, ductility etc.It is the world today is liked deeply, the rather popular and a kind of synthetic materials be also widely used.Its global usage quantity is in second in various synthetic materials.Pvc pipe (PVC-U pipe) hard polvinyl choride pipe, being use pressure sintering extrusion molding after being coordinated with stablizer, lubricant etc. by polyvinyl chloride (PVC) RESINS, is the plastic pipe be developed and applied the earliest.PVC-U pipe resistance to corrosion is strong, be easy to bonding, price is low, quality is hard, is extensively subject to the favor of engineering circles.In recent years, what PVC pipeline market was subject to various factors affects its market share in continuous decline, and major cause is exactly containing the forbidding of lead stabilizer in the PVC contacted with foodstuff product, has certain negative impact to the development of PVC pipeline.
Chinese patent (2013104813.8) discloses a kind of drinking-water PVC-U tubing applying calcium zinc stabilizer, replace making it have more the feature of environmental protection containing Pb stabilizer with calcium zinc stabilizer, but its thermostability is bad, self there is certain oilness, the transparency of PVC can be affected.
Summary of the invention:
The object of this invention is to provide a kind of novel PVC-U tubing, it is wear-resisting, corrosion-resistant, good mechanical property, has certain antistatic property, Heat stability is good.Tubing cost also reduces greatly, is a kind of well environment-friendly materials.
Another object of the present invention is to provide the preparation method of this novel PVC-U tubing.
For achieving the above object, the present invention is by the following technical solutions:
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 30-50 part, calcium zinc stabilizer 5-8 part,
Oxidation inhibitor 1-5 part, nano-calcium carbonate 2-8 part,
Lubricant 1-3 part, linking agent 2-5 part.
Preferred as technique scheme, a kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 45 parts, calcium zinc stabilizer 6 parts,
3 parts, oxidation inhibitor, nano-calcium carbonate 6 parts,
Lubricant 2 parts, linking agent 3 parts.
Preferred as technique scheme, described calcium zinc stabilizer is CZ-1, CZ-2, CZ-3 type calcium zinc stabilizer.
Preferred as technique scheme, described oxidation inhibitor is one or more mixing of antioxidant 330, antioxidant 1010, antioxidant 300, monothioester, phosphorous acid ester.
Preferred as technique scheme, described lubricant is one or more mixing in stearic acid, polyethylene wax, Zinic stearas.
Preferred as technique scheme, described linking agent is environment-friendly type crosslinking aid S AC-100.
A preparation method for novel PVC-U tubing, comprises the following steps:
(1) polyvinyl chloride resin, nano-calcium carbonate, calcium zinc stabilizer are added in high-speed kneading machine, at 100-120 DEG C, mediate 10-15min;
(2) continue to add oxidation inhibitor, lubricant, linking agent in high-speed kneading machine, mediate 5-10min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
The present invention has following beneficial effect:
Adding of nano-calcium carbonate, effectively improve the mobility of material, thus improve the workability of tubing, also substantially increase the mechanical property of tubing; Oxidation inhibitor add the thermostability not only increasing PVC, also effectively improve stability and the transparency of calcium zinc stabilizer, thus better improve the thermostability of PVC;
PVC-U tubing provided by the invention is wear-resisting, corrosion-resistant, and good mechanical property has certain antistatic property.Tubing cost also reduces greatly, is a kind of well environment-friendly materials., preparation method is simple, easy handling.
Embodiment:
For a better understanding of the present invention, below by embodiment, the present invention is further described, and embodiment, only for explaining the present invention, can not form any restriction to the present invention.
Embodiment 1
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 30 parts, calcium zinc stabilizer 5 parts,
1 part, oxidation inhibitor, nano-calcium carbonate 2 parts,
Lubricant 1 part, linking agent 2 parts.
Its preparation method comprises the following steps:
(1) 30 parts of polyvinyl chloride resins, 2 parts of nano-calcium carbonates, 5 parts of calcium zinc stabilizers are added in high-speed kneading machine, at 100 DEG C, mediate 10min;
(2) continue to add 1 part of oxidation inhibitor, 1 part of lubricant, 2 parts of linking agents in high-speed kneading machine, mediate 5min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
Embodiment 2
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 50 parts, calcium zinc stabilizer 8 parts,
5 parts, oxidation inhibitor, nano-calcium carbonate 8 parts,
Lubricant 3 parts, linking agent 5 parts.
Its preparation method comprises the following steps:
(1) 50 parts of polyvinyl chloride resins, 8 parts of nano-calcium carbonates, 8 parts of calcium zinc stabilizers are added in high-speed kneading machine, at 120 DEG C, mediate 15min;
(2) continue to add 5 parts of oxidation inhibitor, 3 parts of lubricants, 5 parts of linking agents in high-speed kneading machine, mediate 10min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
Embodiment 3
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 35 parts, calcium zinc stabilizer 6 parts,
2 parts, oxidation inhibitor, nano-calcium carbonate 3 parts,
Lubricant 2 parts, linking agent 3 parts.
Its preparation method comprises the following steps:
(1) 35 parts of polyvinyl chloride resins, 3 parts of nano-calcium carbonates, 6 parts of calcium zinc stabilizers are added in high-speed kneading machine, at 105 DEG C, mediate 11min;
(2) continue to add 2 parts of oxidation inhibitor, 2 parts of lubricants, 3 parts of linking agents in high-speed kneading machine, mediate 6min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
Embodiment 4
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 40 parts, calcium zinc stabilizer 7 parts,
3 parts, oxidation inhibitor, nano-calcium carbonate 4 parts,
Lubricant 2 parts, linking agent 4 parts.
Its preparation method comprises the following steps:
(1) 40 parts of polyvinyl chloride resins, 4 parts of nano-calcium carbonates, 7 parts of calcium zinc stabilizers are added in high-speed kneading machine, at 110 DEG C, mediate 12min;
(2) continue to add 3 parts of oxidation inhibitor, 2 parts of lubricants, 4 parts of linking agents in high-speed kneading machine, mediate 7min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
Embodiment 5
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 45 parts, calcium zinc stabilizer 7 parts,
4 parts, oxidation inhibitor, nano-calcium carbonate 6 parts,
Lubricant 3 parts, linking agent 4 parts.
Its preparation method comprises the following steps:
(1) 45 parts of polyvinyl chloride resins, 6 parts of nano-calcium carbonates, 7 parts of calcium zinc stabilizers are added in high-speed kneading machine, at 115 DEG C, mediate 13min;
(2) continue to add 4 parts of oxidation inhibitor, 3 parts of lubricants, 4 parts of linking agents in high-speed kneading machine, mediate 8min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
Embodiment 6
A kind of novel PVC-U tubing, with parts by weight, comprises following component:
Polyvinyl chloride resin 48 parts, calcium zinc stabilizer 7 parts,
4 parts, oxidation inhibitor, nano-calcium carbonate 7 parts,
Lubricant 3 parts, linking agent 5 parts.
Its preparation method comprises the following steps:
(1) 48 parts of polyvinyl chloride resins, 7 parts of nano-calcium carbonates, 7 parts of calcium zinc stabilizers are added in high-speed kneading machine, at 118 DEG C, mediate 14min;
(2) continue to add 4 parts of oxidation inhibitor, 3 parts of lubricants, 5 parts of linking agents in high-speed kneading machine, mediate 9min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
PVC-U tubing provided by the invention is carried out heat stability testing, and wherein, comparative example is do not add the PVC-U tubing of oxidation inhibitor, tests as follows:
(1) Vicat softening point
The resistance toheat of exosyndrome material is carried out with Vicat softening point, Vicat softening point is under certain Elevated Temperature Conditions, be that the indentor point of 1mm2 is under the load of regulation with sectional area, thrust sample 1mm dark time temperature, Vicat softening point is higher, represent that the thermotolerance of material is better, the present invention tests according to GB/T 1633-2000, and test result is as shown in table 1:
Table 1
From table 1, compared with comparative example, novel PVC-U tubing provided by the invention, has good thermostability.
Claims (7)
1. a novel PVC-U tubing, is characterized in that, with parts by weight, comprises following component:
Polyvinyl chloride resin 30-50 part, calcium zinc stabilizer 5-8 part,
Oxidation inhibitor 1-5 part, nano-calcium carbonate 2-8 part,
Lubricant 1-3 part, linking agent 2-5 part.
2. a kind of novel PVC-U tubing as claimed in claim 1, is characterized in that, with parts by weight, comprise following component:
Polyvinyl chloride resin 45 parts, calcium zinc stabilizer 6 parts,
3 parts, oxidation inhibitor, nano-calcium carbonate 6 parts,
Lubricant 2 parts, linking agent 3 parts.
3. a kind of novel PVC-U tubing as claimed in claim 1, is characterized in that: described calcium zinc stabilizer is CZ-1, CZ-2, CZ-3 type calcium zinc stabilizer.
4. a kind of novel PVC-U tubing as claimed in claim 1, is characterized in that: described oxidation inhibitor is one or more mixing of antioxidant 330, antioxidant 1010, antioxidant 300, monothioester, phosphorous acid ester.
5. a kind of novel PVC-U tubing as claimed in claim 1, is characterized in that: described lubricant is one or more mixing in stearic acid, polyethylene wax, Zinic stearas.
6. a kind of novel PVC-U tubing as claimed in claim 1, is characterized in that: described linking agent is environment-friendly type crosslinking aid S AC-100.
7. the preparation method of a kind of novel PVC-U tubing as described in as arbitrary in claim 1 to 6, is characterized in that, comprise the following steps:
(1) polyvinyl chloride resin, nano-calcium carbonate, calcium zinc stabilizer are added in high-speed kneading machine, at 100-120 DEG C, mediate 10-15min;
(2) continue to add oxidation inhibitor, lubricant, linking agent in high-speed kneading machine, mediate 5-10min, extrude cast by single screw extrusion machine, cooling forming after vacuum sizing, after cutting, enlarging operation, obtain novel PVC-U tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133989.8A CN104710712A (en) | 2015-03-26 | 2015-03-26 | Novel PVC-U tubular product and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133989.8A CN104710712A (en) | 2015-03-26 | 2015-03-26 | Novel PVC-U tubular product and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104710712A true CN104710712A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510133989.8A Pending CN104710712A (en) | 2015-03-26 | 2015-03-26 | Novel PVC-U tubular product and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953530A (en) * | 2015-07-06 | 2015-09-30 | 江苏圣通环境工程有限公司 | Sand glass reinforced plastic cable protection pipe and production method thereof |
| CN105017683A (en) * | 2015-07-06 | 2015-11-04 | 江苏圣通环境工程有限公司 | Ribbed PVC-U pipe and production process thereof |
| CN105860356A (en) * | 2016-05-12 | 2016-08-17 | 杭州介通电缆保护管有限公司 | Octagonal cable protection pipe and preparation method thereof |
| CN108373569A (en) * | 2018-02-06 | 2018-08-07 | 日丰企业（佛山）有限公司 | PVC-U tubing with shape memory function and its preparation method and application |
-
2015
- 2015-03-26 CN CN201510133989.8A patent/CN104710712A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953530A (en) * | 2015-07-06 | 2015-09-30 | 江苏圣通环境工程有限公司 | Sand glass reinforced plastic cable protection pipe and production method thereof |
| CN105017683A (en) * | 2015-07-06 | 2015-11-04 | 江苏圣通环境工程有限公司 | Ribbed PVC-U pipe and production process thereof |
| CN105860356A (en) * | 2016-05-12 | 2016-08-17 | 杭州介通电缆保护管有限公司 | Octagonal cable protection pipe and preparation method thereof |
| CN105860356B (en) * | 2016-05-12 | 2018-05-04 | 杭州介通电缆保护管有限公司 | Octagonal cable protection pipe and preparation method thereof |
| CN108373569A (en) * | 2018-02-06 | 2018-08-07 | 日丰企业（佛山）有限公司 | PVC-U tubing with shape memory function and its preparation method and application |
| CN108373569B (en) * | 2018-02-06 | 2021-03-02 | 日丰企业（佛山）有限公司 | PVC-U (polyvinyl chloride-U) pipe with shape memory function and preparation method and application thereof |
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Application publication date: 20150617 |