CN104130527B - A kind of high tenacity PVC drain pipe material and its preparation method and application - Google Patents
A kind of high tenacity PVC drain pipe material and its preparation method and application Download PDFInfo
- Publication number
- CN104130527B CN104130527B CN201410373058.0A CN201410373058A CN104130527B CN 104130527 B CN104130527 B CN 104130527B CN 201410373058 A CN201410373058 A CN 201410373058A CN 104130527 B CN104130527 B CN 104130527B
- Authority
- CN
- China
- Prior art keywords
- nano
- calcium carbonate
- pvc
- drain pipe
- pipe material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Graft Or Block Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of high tenacity PVC drain pipe material and its preparation method and application, described PVC drain pipe material is prepared by method and prepares: have the composite modified particle of core shell structure with nano-calcium carbonate and haloflex for raw material preparation by emulsion polymerization；Then by described composite modified particle and PVC melt blending, ternary nano composite material is prepared；The present invention organically combines with elastomer by selecting specific nano particle, form the composite modified particle of core shell structure with nano-calcium carbonate as core, with CPE as shell, then by composite modified particle and polyvinyl chloride resin melt blending, make composite modified particle fine dispersion in PVC matrix, and then PVC is carried out tough-increased and reinforced modification.
Description
Technical field
The present invention relates to plastic pipe technical field, particularly relate to a kind of high tenacity PVC drain pipe material and preparation side thereof
Method and application.
Background technology
In PVC-U drainpipe, raw materials used polyvinyl chloride (PVC) is high comprehensive performance, cheap and raw material sources
General-purpose plastics kind widely, its yield and consumption are only second to polyethylene, obtain a wide range of applications in every field.But
PVC there is also defect or the deficiency of some performances, and wherein fragility is one of disadvantage of PVC plastic.Hard PVC is often
The lower poor toughness of temperature, impact strength is low, and toughness is worse at low temperatures, the most hardening when reducing temperature becomes fragile, the most crisp when being hit
Split, which limits PVC material as the application of structural material and the application in low temperature environment.Therefore, the low temperature of PVC is improved
Toughness has Important Economic and social effect.
Summary of the invention
It is an object of the invention to provide a kind of high tenacity PVC drain pipe material, by selecting nano-calcium carbonate and chlorination
Polyethylene organically combines, and forms the composite modified particle of core shell structure with silica as core, with haloflex as shell, and adopts
With this composite modified particle, PVC is modified, thus realizes PVC is carried out tough-increased and reinforced modification.
Another object of the present invention is to provide the preparation method of above-mentioned pvc pipe material.
Another object of the present invention is to the application providing above-mentioned pvc pipe material in preparation PVC drain pipe.
Another object of the present invention is to the PVC drain pipe providing above-mentioned pvc pipe material to prepare gained.
For achieving the above object, the present invention is achieved by following technical solution:
A kind of high tenacity PVC drain pipe material, described PVC drain pipe material is prepared by method and prepares:
For raw material preparation, there is the compound of core shell structure with haloflex with nano-calcium carbonate by emulsion polymerization to change
Property particle；Then by described composite modified particle and PVC melt blending, ternary nano composite material is prepared；
Wherein, described nano-calcium carbonate is 10: 1～4 with the quality proportioning of haloflex；Described composite modified particle with
The quality proportioning of PVC is 4～6:100.
The present invention, by selecting nano-calcium carbonate to organically combine with CPE, is formed with nano-calcium carbonate as core, with CPE as shell
The composite modified particle of core shell structure, then by composite modified particle and PVC melt blending, make the composite modified grain of core shell structure
Son fine dispersion in PVC matrix, and then PVC is carried out tough-increased and reinforced modification.
Preferably, described nano-calcium carbonate first through organic modifiers modified prepare with haloflex more composite modified
Particle.
After nano-calcium carbonate being processed by organic modifiers, improve nano-calcium carbonate dispersion in compound
Property and strengthening and toughening effect, change the physics of powder surface, chemical property simultaneously, decrease the reunion of nano-calcium carbonate, and this has
It is beneficial to being sufficiently mixed of nano-calcium carbonate and haloflex in subsequent step.
Preferably, nano-calcium carbonate through the concrete operation method that organic modifiers is modified is: by nano-calcium carbonate with organic
Modifying agent stirs in 30～120 DEG C；It is then heated to 50～120 DEG C and carries out lasting solid phase stirring 0～10min；Cold
The most i.e. obtain composite modified particle.
It is further preferred that described organic modifiers is titanate coupling agent NDZ 1, organically-modified in the present invention
The consumption of agent refers to conventional amount used of the prior art.
Preferably, nano-calcium carbonate described in step S1 is 10:3 with the quality proportioning of haloflex.
Preferably, composite modified particle described in step S3 is 5: 100 with the quality proportioning of PVC.
The emulsion polymerization that the present invention provides specifically includes following steps:
Weigh nano-calcium carbonate to be placed in right amount in the reactor of condensing unit, add appropriate amount of deionized water, stir, so
Rear addition emulsifying agent, CPE, be heated to 80～95 DEG C and dispersed with stirring is uniform, adds initiator, 80～95 DEG C of thermotonuses 2
～5h, continuously stirred, reaction is cooled to room temperature after terminating, and i.e. obtain with nano-calcium carbonate for core with CPE as shell is composite modified
Particle.
Compared with prior art, the present invention is designed by the structure of particle, is formed with nano-calcium carbonate as core, with CPE is
The core shell structure particle of shell, carries out toughness reinforcing enhancing to PVC.Composite modified particle has the excellent of nano-calcium carbonate and CPE toughening PVC concurrently
Point, compared with simple nano-calcium carbonate toughening PVC, owing to shell is CPE, therefore more preferable with the compatibility of PVC；With simply
Nano-calcium carbonate, CPE, PVC are blended the trielement composite material of formation and compare, owing to being used further to after defining composite modified particle
PVC's is toughness reinforcing, is more beneficial for the dispersion of composite modified particle, therefore uses the PVC drain pipe material of the composite modified particle of the present invention
The low temperature resistant toughness of material has obtained significant enhancing, and the present invention, while the original valuable performance of protection PVC, is effectively improved
The toughness of PVC drain pipe material.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further explained, but specific embodiment is not to the present invention
It is limited in any way.Unless stated otherwise, involved in embodiment reagent, method are reagent commonly used in the art and method.
Embodiment 1
100 weight portion nano-calcium carbonates and 6 weight portion titanate coupling agent NDZ 1 are used to stir at 30 DEG C,
Obtain mixture standby；The mixture obtained it is heated to 50 DEG C and carries out solid phase stirring 1min, being then cooled to normal temperature and i.e. obtain
Modified nano calcium carbonate；The modified nano calcium carbonate of 100 weight portions and the CPE of 10 weight portions are used emulsion polymerization, preparation
Go out to form the core shell structure composite modified particle concrete operation step with nano-calcium carbonate as core, with CPE as shell and be: by above-mentioned warp
Modified nano-calcium carbonate is placed in the reactor of condensing unit, adds deionized water, stirs, be subsequently adding emulsification
Agent, CPE, be heated to 80 DEG C and dispersed with stirring uniform, adds normal starter, 80 DEG C of thermotonuses 2h, continuously stirred, reaction
It is cooled to room temperature after end, i.e. obtains the composite modified particle with nano-calcium carbonate for core with CPE as shell.
Then by the 4 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
Embodiment 2
100 weight portion nano-calcium carbonates and 8 weight portion titanate coupling agent NDZ 1 are used to stir at 50 DEG C,
Obtain mixture standby；The mixture obtained it is heated to 70 DEG C and carries out solid phase stirring 4min, being then cooled to normal temperature and i.e. obtain
Modified nano calcium carbonate；The modified nano calcium carbonate of 100 weight portions and the CPE of 15 weight portions are used emulsion polymerization, preparation
Going out to form the composite modified particle of core shell structure with nano-calcium carbonate as core, with CPE as shell, concrete operation step is: by above-mentioned
Nano-calcium carbonate after modified is placed in the reactor of condensing unit, adds deionized water, stirs, be subsequently adding emulsification
Agent, CPE, be heated to 85 DEG C and dispersed with stirring uniform, adds normal starter, 85 DEG C of thermotonuses 3h, continuously stirred, reaction
It is cooled to room temperature after end, i.e. obtains the composite modified particle with nano-calcium carbonate for core with CPE as shell.
Then by the 5 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
Embodiment 3
100 weight portion nano-calcium carbonates and 10 weight portion titanate coupling agent NDZ 1 are used to stir at 100 DEG C,
Obtain mixture standby；The mixture obtained it is heated to 100 DEG C and carries out solid phase stirring 8min, being then cooled to normal temperature and i.e. obtain
Modified nano calcium carbonate；The modified nano calcium carbonate of 100 weight portions and the CPE of 20 weight portions are used emulsion polymerization, preparation
Going out to form the composite modified particle of core shell structure with nano-calcium carbonate as core, with CPE as shell, concrete operation step is: by above-mentioned
Nano-calcium carbonate after modified is placed in the reactor of condensing unit, adds deionized water, stirs, be subsequently adding emulsification
Agent, CPE, be heated to 90 DEG C and dispersed with stirring uniform, adds normal starter, 90 DEG C of thermotonuses 3h, continuously stirred, reaction
It is cooled to room temperature after end, i.e. obtains the composite modified particle with nano-calcium carbonate for core with CPE as shell.
Then by the 6 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
Embodiment 4
100 weight portion nano-calcium carbonates and 12 weight portion titanate coupling agent NDZ 1 are used to stir at 120 DEG C,
Obtain mixture standby；The mixture obtained it is heated to 120 DEG C and carries out solid phase stirring 10min, be then cooled to normal temperature and get final product
To modified nano calcium carbonate；The modified nano calcium carbonate of 100 weight portions and the CPE of 30 weight portions are used emulsion polymerization, system
For going out to form the composite modified particle of core shell structure with nano-calcium carbonate as core, with CPE as shell, concrete operation step is: by upper
State nano-calcium carbonate after modified to be placed in the reactor of condensing unit, add deionized water, stir, be subsequently adding breast
Agent, CPE, be heated to 95 DEG C and dispersed with stirring uniform, adds normal starter, 95 DEG C of thermotonuses 4h, continuously stirred, instead
Room temperature should be cooled to after terminating, i.e. obtain the composite modified particle with nano-calcium carbonate for core with CPE as shell.
Then by the 6 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
Embodiment 5
100 weight portion nano-calcium carbonates and 15 weight portion titanate coupling agent NDZ 1 are used to stir at 100 DEG C,
Obtain mixture standby；The mixture obtained it is heated to 100 DEG C and carries out solid phase stirring 10min, be then cooled to normal temperature and get final product
To modified nano calcium carbonate；The modified nano calcium carbonate of 100 weight portions and the CPE of 40 weight portions are used emulsion polymerization, system
For going out to form the composite modified particle of core shell structure with nano-calcium carbonate as core, with CPE as shell, concrete operation step is: by upper
State nano-calcium carbonate after modified to be placed in the reactor of condensing unit, add deionized water, stir, be subsequently adding breast
Agent, CPE, be heated to 90 DEG C and dispersed with stirring uniform, adds normal starter, 90 DEG C of thermotonuses 5h, continuously stirred, instead
Room temperature should be cooled to after terminating, i.e. obtain the composite modified particle with nano-calcium carbonate for core with CPE as shell.
Then by the 5 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
Comparative example 1
Use the CPE of titanate coupling agent NDZ mono-101,10 weight portion of 100 weight portion nano-calcium carbonates, 6 weight portions altogether
The mixed mixture that formed, standby；By said mixture and the 100 weight portion PVC melt blendings of 5 weight portions, prepare high performance three
Unit's nano composite material；
By above-mentioned ternary nano composite material through double screw extruder melt blending and shaping, more cooled sizing prepares
PVC drain pipe material.
Comparative example 2
100 weight portion nano-calcium carbonates and 10 weight portion titanate coupling agent NDZ 1 are used to stir at 100 DEG C,
Obtain mixture standby；The mixture obtained it is heated to 100 DEG C and carries out solid phase stirring 8min, being then cooled to normal temperature and i.e. obtain
Modified nano calcium carbonate；The modified nano calcium carbonate of 100 weight portions and the ABS of 20 weight portions are used emulsion polymerization, preparation
Going out to form the composite modified particle of core shell structure with nano-calcium carbonate as core, with ABS as shell, concrete operation step is: by above-mentioned
Nano-calcium carbonate after modified is placed in the reactor of condensing unit, adds deionized water, stirs, be subsequently adding emulsification
Agent, ABS, be heated to 95 DEG C and dispersed with stirring uniform, adds normal starter, 95 DEG C of thermotonuses 5h, continuously stirred, reaction
It is cooled to room temperature after end, i.e. obtains the composite modified particle with nano-calcium carbonate for core with ABS as shell.
Then by the 5 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
Comparative example 3
Use 100 weight portion nano silicons and 15 weight portion titanate coupling agent NDZ 1 100 DEG C of stirrings all
Even, obtain mixture standby；The mixture obtained it is heated to 100 DEG C and carries out solid phase stirring 10min, being then cooled to normal temperature i.e.
Obtain modified manometer silicon dioxide；The modified manometer silicon dioxide of 100 weight portions and the CPE of 40 weight portions are used emulsion polymerization
Method, prepares the composite modified particle of core shell structure formed with nano silicon as core, with CPE as shell, concrete operation step
For: above-mentioned nano silicon after modified is placed in the reactor of condensing unit, adds deionized water, stir,
It is subsequently adding emulsifying agent, CPE, is heated to 85 DEG C and dispersed with stirring is uniform, add normal starter, 85 DEG C of thermotonuses 3h,
Continuously stirred, reaction is cooled to room temperature after terminating, and i.e. obtains the composite modified grain with nano silicon for core with CPE as shell
Son.
Then by the 5 composite modified particles of weight portion and 100 weight portion PVC melt blendings, make composite modified particle at PVC base
Fine dispersion in body, thus prepare high performance ternary nano composite material.
By above-mentioned high performance ternary nano composite material through double screw extruder melt blending and shaping more cooled fixed
Type prepares the PVC drain pipe material with efficient high tenacity.
The PVC drain pipe material that embodiment 1～5 and comparative example 1～3 prepare gained is carried out toughness test, and test result is shown in
Table 1 below.
The pvc pipe mechanical property prepared in various embodiments of the present invention and comparative example is carried out according to following assay method
Measure:
Hot strength, is tested by GB/T8804.2-2003 standard；
Elongation at break, is tested by GB/T5836-1996 standard；
Low temperature impact strength, is tested by GB/T13525-1992 standard；
Normal temperature impact strength, is tested by GB/T13525-1992 standard.
Table 1
。
As shown in Table 1, the present invention has high tenacity by the preparation-obtained PVC drain pipe of emulsion polymerization, at-18 DEG C
Under the conditions of toughness still above 10KJ/, to have higher hot strength, elongation at break and impact strong for the present invention simultaneously
Degree, has preferable mechanical strength, can apply to various occasion.
Claims (7)
1. a high tenacity PVC drain pipe material, it is characterised in that described PVC drain pipe material is prepared by method system
:
For raw material preparation, there is the composite modified grain of core shell structure with nano-calcium carbonate and haloflex by emulsion mixing method
Son；Then by described composite modified particle and PVC melt blending, ternary nano composite material is prepared；
Wherein, described nano-calcium carbonate is 10: 1～4 with the quality proportioning of haloflex；Described composite modified particle and PVC
Quality proportioning be 4～6:100；Described nano-calcium carbonate is first modified multiple with haloflex preparation again through organic modifiers
Close modified particle；
Described emulsion mixing method comprises the steps:
S1: weigh nano-calcium carbonate and be placed in the reactor of condensing unit, adds deionized water, stirs；
S2: add emulsifying agent, haloflex in above-mentioned mixed liquor, is heated to 80～95 DEG C and dispersed with stirring is uniform, obtains mixed
Conjunction liquid is standby；
S3: adding initiator in the mixed liquor of step S2, in 80～95 DEG C of thermotonuses 2～5h, continuously stirred, reaction terminates
Rear cooling, i.e. obtains the composite modified particle with nano-calcium carbonate for core with haloflex as shell.
High tenacity PVC drain pipe material the most according to claim 1, it is characterised in that nano-calcium carbonate is through organically-modified
The method of operating of agent modification is: stirred in 30～120 DEG C with organic modifiers by nano-calcium carbonate；It is then heated to 50
～120 DEG C and carry out lasting solid phase stirring 0～10min.
High tenacity PVC drain pipe material the most according to claim 1, it is characterised in that described organic modifiers is metatitanic acid
Ester coupling agent.
High tenacity PVC drain pipe material the most according to claim 1, it is characterised in that described nano-calcium carbonate and chlorination
The quality proportioning of polyethylene is 10:3.
High tenacity PVC drain pipe material the most according to claim 1, it is characterised in that described composite modified particle and PVC
Quality proportioning be 5: 100.
6. the answering in preparation PVC drain pipe of the high tenacity PVC drain pipe material described in Claims 1 to 5 any claim
With.
7. the PVC drain pipe of gained prepared by the high tenacity PVC drain pipe material described in Claims 1 to 5 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373058.0A CN104130527B (en) | 2014-07-31 | 2014-07-31 | A kind of high tenacity PVC drain pipe material and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373058.0A CN104130527B (en) | 2014-07-31 | 2014-07-31 | A kind of high tenacity PVC drain pipe material and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104130527A CN104130527A (en) | 2014-11-05 |
| CN104130527B true CN104130527B (en) | 2016-08-24 |
Family
ID=51803396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410373058.0A Active CN104130527B (en) | 2014-07-31 | 2014-07-31 | A kind of high tenacity PVC drain pipe material and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104130527B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694291A (en) * | 2016-03-17 | 2016-06-22 | 海南联塑科技实业有限公司 | Cold-resistant polyvinyl chloride pipeline and preparation method thereof |
| WO2017222483A1 (en) * | 2016-06-23 | 2017-12-28 | Akdeniz Kimya Sanayi Ve Ticaret A.S. | A cost-effective impact resistance-increasing hybrid composite material and a production method thereof |
| CN107915933B (en) * | 2017-12-19 | 2020-09-18 | 广西合山市华纳新材料科技有限公司 | Preparation method of special toughening type nano calcium carbonate for PVC (polyvinyl chloride) plastics |
| CN108794922A (en) * | 2018-05-31 | 2018-11-13 | 安徽玉发塑业有限公司 | The drainpipe of high impact strength under a kind of low temperature environment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2348177A1 (en) * | 1973-09-25 | 1975-04-24 | Wacker Chemie Gmbh | IMPACT-RESISTANT THERMOPLASTIC MOLDING COMPOUNDS |
| US4278576A (en) * | 1978-12-05 | 1981-07-14 | Rohm And Haas Company | Isolation and improvement of impact modifier polymer powders |
| CN100551939C (en) * | 2008-05-26 | 2009-10-21 | 河北精信化工集团有限公司 | A kind of preparation method of chlorinatedpolyethylene |
| CN101392070B (en) * | 2008-11-06 | 2011-05-18 | 上海卓越纳米新材料股份有限公司 | Industrial preparation method of PVC processing aid |
| CN102464839B (en) * | 2010-11-10 | 2014-04-16 | 上海华明高技术（集团）有限公司 | Composite toughening modifier for plastics and preparation method thereof |
| CN102391591A (en) * | 2011-07-28 | 2012-03-28 | 联塑市政管道（河北）有限公司 | Polrvinyl chloride electric power protecting sleeve and processing method thereof |
-
2014
- 2014-07-31 CN CN201410373058.0A patent/CN104130527B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104130527A (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104130527B (en) | A kind of high tenacity PVC drain pipe material and its preparation method and application | |
| CN105294019B (en) | A kind of polyurethane polyacrylate cement waterproof paint and preparation method thereof | |
| CN103980636B (en) | A kind of Wood-plastic foam composite and preparation method thereof | |
| CA3043354A1 (en) | A method for preparing high shrinkage stability styrene butadiene rubber-based nanocomposite foams | |
| CN101698734B (en) | Method for preparing shock-resistant hard PVC material through coordination crosslinking | |
| CN105218944A (en) | A kind of low VOC antibacterial polypropylene diatomite composite material and preparation method thereof | |
| CN105254817A (en) | Preparation method of acrylate foaming regulator with core-shell structure | |
| CN106317336A (en) | Carboxyl butyronitrile latex for oil resistant gloves and preparation method of carboxyl butyronitrile latex | |
| CN105694291A (en) | Cold-resistant polyvinyl chloride pipeline and preparation method thereof | |
| CN104130525B (en) | A kind of low temperature toughening PVC drain pipe material and its preparation method and application | |
| CN108912552A (en) | A kind of processing technology producing simple PVC hard tube | |
| CN107216584B (en) | A kind of fluororesin alloy and preparation method thereof | |
| CN104130526B (en) | A kind of low temperature toughening PVC drain pipe material and its preparation method and application | |
| CN105733231B (en) | With calcium sulfate whisker modified Polycarbonate alloy material and its preparation method | |
| CN109694531A (en) | A kind of PVC/ papermaking waste fretting map composite material and preparation method | |
| CN108276624A (en) | A kind of preparation that graphene adulterates anti-impact modifier and the application in PVC matrix | |
| CN104130526A (en) | Low-temperature toughened PVC drainage pipe material, preparation method and application thereof | |
| CN110467784A (en) | A kind of color selector sheath material and preparation method thereof | |
| CN106167610A (en) | The preparation method of surface modification Polycarbonate alloy material | |
| CN104927242A (en) | Highly-heat-resistant impact-resistant PVC (polyvinyl chloride) pipe and preparation method thereof | |
| KR101229158B1 (en) | Method for preparing acrylic copolymer having improved latex stabilitiy property | |
| CN103509285B (en) | A kind of cold-resistant PVC cable material reaching subzero 50 degrees Celsius | |
| CN110746720B (en) | Production method of high-performance PVC-O pipe | |
| CN106633556A (en) | High-strength environment-friendly material suitable for automobile industry and preparation method thereof | |
| CN102911483A (en) | PET (Polyethylene Terephthalate) drainage pipe and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |