CN110330743A - A kind of preparation method and application of PVC-O special material for tube - Google Patents
A kind of preparation method and application of PVC-O special material for tube Download PDFInfo
- Publication number
- CN110330743A CN110330743A CN201910742987.7A CN201910742987A CN110330743A CN 110330743 A CN110330743 A CN 110330743A CN 201910742987 A CN201910742987 A CN 201910742987A CN 110330743 A CN110330743 A CN 110330743A
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- pvc
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- special material
- tube
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation method and applications of PVC-O special material for tube, and PVC-O special material for tube is by 100 parts of polyvinyl chloride resin, 10~20 parts of elastomer flexibilizer, and 1~6 part of heat stabilizer, 0.6~4 part of lubricant forms.The elastomer flexibilizer preparation method: ethylene propylene diene rubber is dissolved in solvent, stir at low speed lower addition MMA and AN co-monomer, initiator is added after mixing, aqueous dispersant is added dropwise after 10min, it is added dropwise in 15min, distilled water is added dropwise under high-speed stirred, be warming up to 80 DEG C after logical nitrogen 15min, room temperature is down in reaction after 20 hours, washing is dried to obtain elastomer flexibilizer.The preparation method of the PVC-O special material for tube: polyvinyl chloride resin and elastomer flexibilizer are kneaded on the double roll mill with 160 DEG C of roller temperature, heat stabilizer and lubricant is added after being kneaded uniformly, raw material is obtained into blend after mixing.The present invention greatly improves the toughness and impact resistance of PVC-O tubing, can be widely applied to water supply piping system and mine pipe-line system, has widened the application range of tubing.
Description
Technical field
The present invention relates to technical field of polymer materials, the preparation method of especially a kind of PVC-O special material for tube and answer
With.
Background technique
Polyvinyl chloride (PVC) tubing with light weight, corrosion-resistant, excellent insulating property, easy for construction, raw material due to being easy to
Obtain, many advantages, such as finished product is cheap and be widely used in the fields such as industrial agricultural production, ceased with people's daily life
Manner of breathing closes, but with the continuous development of other types material (such as PE tubing) technology and perfect, traditional polychloroethylene pipes
Do not have too many advantage compared with emerging plastic pipe in performance indexes, polychloroethylene pipes have inherently been deposited in addition
In the low disadvantage of toughness, the unique of plastics market competition can be won at polychloroethylene pipes to the redevelopment of polychloroethylene pipes
Outlet.
PVC-O, Chinese name biaxially orienting polyvinyl chloride are the newest evolutional forms of pvc pipe, are processed by special orientation
The tubing of technique manufacture will carry out axial tension and radial drawing using the PVC-U tubing of extrusion method production, make in tubing
PVC long-chain molecule obtains high intensity, high tenacity, high-impact, antifatigue novel PVC tubing in biaxially regular arrangement.
Biaxially oriented polychloroethylene pipes improve PVC-U tubing poor toughness, anti-impact force difference etc. to a certain extent
Problem, but it is unobvious for the improvement of toughness and anti-impact force, and there are problems that poor heat resistance, limit answering for PVC pipe
Use range.
Summary of the invention
In order to overcome the above-mentioned problems in the prior art, the present invention proposes a kind of preparation of PVC-O special material for tube
Method and application.
The technical solution adopted by the present invention to solve the technical problems is: a kind of preparation method of PVC-O special material for tube
And application, it is made of following parts by weight of component: 100 parts of polyvinyl chloride resin, 10~20 parts of elastomer flexibilizer, 1~7 part of heat stabilizer,
0.6~4 part of lubricant.
A kind of preparation method and application of above-mentioned PVC-O special material for tube, the elastomer flexibilizer is by EPDM
Grafting rubbers polar monomer MMA and AN are made, and the elastomer flexibilizer is the preparation method comprises the following steps: be dissolved in solvent for ethylene propylene diene rubber
In, lower addition MMA and AN co-monomer are stirred at low speed, initiator is added after mixing, aqueous dispersant is added dropwise after 10min,
It is added dropwise in 15min, distilled water is added dropwise under high-speed stirred, 80 DEG C are warming up to after logical nitrogen 15min, reaction is down to after 20 hours
Room temperature, washing are dried to obtain elastomer flexibilizer.
A kind of preparation method and application of above-mentioned PVC-O special material for tube, the heat stabilizer are organotin thermostabilization
Agent.
A kind of preparation method and application of above-mentioned PVC-O special material for tube, the lubricant are stearic acid, stearate
And one or more of PE wax.
A kind of preparation method and application of above-mentioned PVC-O special material for tube, the preparation side of the PVC-O special material for tube
Method are as follows: be kneaded polyvinyl chloride resin and elastomer flexibilizer with 160 DEG C of roller temperature on the double roll mill, it is steady that heat is added after being kneaded uniformly
Determine agent and lubricant, raw material is obtained into blend after mixing.
The invention has the advantages that elastomer flexibilizer, which is added, significantly improves the toughness and shock resistance of PVC-O tubing
Property, widen its application range；Using the ethylene propylene diene rubber of graft modification as elastomer flexibilizer, increasing PVC-O pipe
While material toughness and impact resistance, the resistance to ag(e)ing of PVC-O tubing can be improved, improve the service life of PVC-O tubing；
And the present invention have found preparation graft modification ethylene propylene diene rubber when ethylene propylene diene rubber and MMA-AN best in quality score,
It is of great significance to actual production, it is practical.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is comparative example of the present invention, embodiment 2 and 3 impact fractography SEM of embodiment figure；
Fig. 2 is that phase structure TEM figure is blended in the embodiment of the present invention 2 and embodiment 3.
A. comparative example in figure, B. embodiment 2, C. embodiment 3.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Formula elaborates to the present invention.
[embodiment 1]
A kind of preparation method and application of PVC-O special material for tube, is made of: polyvinyl chloride resin 100 following parts by weight of component
Part, 15 parts of elastomer flexibilizer, 2 parts of heat stabilizer, 1.2 parts of lubricant.
Further, the elastomer flexibilizer is made by ethylene propylene diene rubber grafting of polar monomers MMA and AN, the bullet
Property body toughener the preparation method comprises the following steps: ethylene propylene diene rubber is dissolved in solvent, stir at low speed lower addition MMA and AN co-monomer, mix
0.8 part of initiator is added after closing uniformly, aqueous dispersant is added dropwise after 10min, is added dropwise in 15min, is dripped under high-speed stirred
Add distilled water, 80 DEG C are warming up to after logical nitrogen 15min, room temperature is down in reaction after 20 hours, washing is dried to obtain elastic body toughening
Agent.
Further, the heat stabilizer is organo-tin het stabilizer.
Further, the lubricant is stearic acid.
[embodiment 2]
The composition of PVC-O special material for tube includes following parts by weight of component: being prepared in 100 parts of polyvinyl chloride resin, embodiment 1
15 parts of elastomer flexibilizer, 2 parts of organo-tin het stabilizer, 1.2 parts of stearic acid, when preparing the elastomer flexibilizer in embodiment 1,
Ethylene propylene diene rubber and MMA-AN mass ratio are 50/50.
[embodiment 3]
The composition of PVC-O special material for tube includes following parts by weight of component: being prepared in 100 parts of polyvinyl chloride resin, embodiment 1
15 parts of elastomer flexibilizer, 2 parts of organo-tin het stabilizer, 1.2 parts of stearic acid, when preparing the elastomer flexibilizer in embodiment 1,
Ethylene propylene diene rubber and MMA-AN mass ratio are 60/40.
[comparative example]
The composition of PVC-O tubing materials includes following parts by weight of component in comparative example: 100 parts of polyvinyl chloride resin, organotin heat are steady
Determine 2 parts of agent, 1.2 parts of stearic acid.
[application examples]
On the double roll mill by the component of the PVC-O pipe material composition in embodiment 2, embodiment 3 and comparative example
It is kneaded with 160 DEG C of roller temperature, blend is made, is compressed into the sheet material of certain specification at 170 DEG C on vulcanizing press,
It is tested for the property after cold moudling.
The notch impact strength of 1 embodiment and comparative example of table is tested
| Testing standard | Notch impact strength/KJm-2 | |
| Embodiment 2 | GB/T1843-2008 | 89.5 |
| Embodiment 3 | GB/T1843-2008 | 39 |
| Comparative example | GB/T1843-2008 | 30 |
From notch impact strength data and electromicroscopic photograph this it appears that PVC-O special material for tube energy proposed by the present invention
The toughness and impact resistance of PVC-O tubing are enough significantly improved, and when preparing elastomer flexibilizer, ethylene propylene diene rubber and MMA-
When AN mass ratio is 50/50, the compatibility of resulting blend PVC and elastomer flexibilizer is best, and toughness and impact resistance are most
It is good.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (5)
1. a kind of preparation method and application of PVC-O special material for tube, it is characterised in that: be made of following parts by weight of component: PVC
100 parts of resin, 10~20 parts of elastomer flexibilizer, 1~6 part of heat stabilizer, 0.6~4 part of lubricant.
2. a kind of preparation method and application of PVC-O special material for tube according to claim 1, which is characterized in that described
Elastomer flexibilizer is made by ethylene propylene diene rubber grafting of polar monomers MMA and AN, the elastomer flexibilizer the preparation method comprises the following steps:
Ethylene propylene diene rubber is dissolved in solvent, lower addition MMA and AN co-monomer is stirred at low speed, initiator is added after mixing,
Aqueous dispersant is added dropwise after 10min, is added dropwise in 15min, distilled water is added dropwise under high-speed stirred, is risen after logical nitrogen 15min
For temperature to 80 DEG C, room temperature is down in reaction after 20 hours, and washing is dried to obtain elastomer flexibilizer.
3. a kind of preparation method and application of PVC-O special material for tube according to claim 1, which is characterized in that described
Heat stabilizer is organo-tin het stabilizer.
4. a kind of preparation method and application of PVC-O special material for tube according to claim 1, which is characterized in that described
Lubricant is one or more of stearic acid, stearate and PE wax.
5. a kind of preparation method and application of PVC-O special material for tube according to claim 1, which is characterized in that described
PVC-O special material for tube the preparation method comprises the following steps: by polyvinyl chloride resin and elastomer flexibilizer on the double roll mill with 160 DEG C of roller temperature
It is kneaded, heat stabilizer and lubricant is added after being kneaded uniformly, raw material is obtained into blend after mixing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742987.7A CN110330743A (en) | 2019-08-13 | 2019-08-13 | A kind of preparation method and application of PVC-O special material for tube |
| PCT/CN2019/113634 WO2021027072A1 (en) | 2019-08-13 | 2019-10-28 | Preparation method and application for dedicated pvc-o pipe material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742987.7A CN110330743A (en) | 2019-08-13 | 2019-08-13 | A kind of preparation method and application of PVC-O special material for tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110330743A true CN110330743A (en) | 2019-10-15 |
Family
ID=68149374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910742987.7A Pending CN110330743A (en) | 2019-08-13 | 2019-08-13 | A kind of preparation method and application of PVC-O special material for tube |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110330743A (en) |
| WO (1) | WO2021027072A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027072A1 (en) * | 2019-08-13 | 2021-02-18 | 永高股份有限公司 | Preparation method and application for dedicated pvc-o pipe material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360696B (en) * | 2012-03-31 | 2016-01-06 | 中国石油化工股份有限公司 | Less energy-consumption is high extrudes output PVC-M pipe composition |
| CN107540983A (en) * | 2017-08-14 | 2018-01-05 | 南京联塑科技实业有限公司 | A kind of polyvinyl chloride electrical casing pipe of high heat distortion temperature and preparation method thereof |
| 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 |
| CN110330743A (en) * | 2019-08-13 | 2019-10-15 | 永高股份有限公司 | A kind of preparation method and application of PVC-O special material for tube |
-
2019
- 2019-08-13 CN CN201910742987.7A patent/CN110330743A/en active Pending
- 2019-10-28 WO PCT/CN2019/113634 patent/WO2021027072A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027072A1 (en) * | 2019-08-13 | 2021-02-18 | 永高股份有限公司 | Preparation method and application for dedicated pvc-o pipe material |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021027072A1 (en) | 2021-02-18 |
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Application publication date: 20191015 |