CN109880265A - A kind of CPVC blending preparation method for material of high thermal stability - Google Patents
A kind of CPVC blending preparation method for material of high thermal stability Download PDFInfo
- Publication number
- CN109880265A CN109880265A CN201910155964.6A CN201910155964A CN109880265A CN 109880265 A CN109880265 A CN 109880265A CN 201910155964 A CN201910155964 A CN 201910155964A CN 109880265 A CN109880265 A CN 109880265A
- Authority
- CN
- China
- Prior art keywords
- cpvc
- preparation
- thermal stability
- high thermal
- parts
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Preparation method for material is blended in the CPVC that the present invention provides a kind of high thermal stability, the preparation method includes the following steps: 1) to take high-speed mixer, the polyvinyl chloride resin, CPVC resin, ACR resin are added according to the proportion, 600 ~ 800 revs/min of revolving speeds and 50 ~ 60 DEG C at a temperature of, be stirred 3 ~ 5 minutes；2) 70 ~ 80 DEG C are warming up to, sodium dihydrogen phosphate, precipitated calcium carbonate, impact modifying agent, heat stabilizer and expanding material is added, is stirred 5 ~ 8 minutes with 800 ~ 1000 revs/min of revolving speed；3) 115 ~ 120 DEG C are warming up to, titanium dioxide and coupling agent is added, is stirred 5 ~ 10 minutes, is thoroughly mixed with 1000 ~ 1200 revs/min of revolving speed；4) mixed material obtained by step 3) is gone into cold mixing machine, continues to be stirred 5 ~ 8 minutes with 800 ~ 1000 revs/min of revolving speed, and be cooled to 40 ~ 50 DEG C, be then sent in conical double screw extruder, melting extrusion is granulated to obtain the CPVC blend composition.The CPVC blend composition is easy to adsorption aid in mixing process, is easy to be plasticized in processing, and thermal stability is good, and tensile strength is high, and rigid is good.
Description
Technical field
The invention belongs to architectural engineering tube material technical fields, and in particular, to a kind of CPVC of high thermal stability is total
Mixing preparation method.
Background technique
CPVC is a kind of model engineering plastic having a extensive future.Resin is chlorination modified by polyvinyl chloride (PVC) resin
It is made, is a kind of model engineering plastic.The product is white or faint yellow tasteless, odorless, nontoxic loose particles or powder.
PVC resin is after superchlorination, and the scrambling of molecular link increases, and polarity increases, and increases the dissolubility of resin,
Chemical stability increases, to improve the corrosion of the heat resistance of material, acid and alkali resistance, salt, oxidant etc..Improve numerical value
The mechanical performance of heat distortion temperature, chlorinity are increased to 63-69% by 56.7%, and vicat softening temperature is improved by 72-82 DEG C
To 90-125 DEG C, for maximum operation (service) temperature up to 110 DEG C, long-term use temperature is 95 DEG C.Wherein CORZAN CPVC performance refers to
It marks more excellent.
CPVC is mainly for the production of plate, bar, tubing conveying hot water and corrosive media, when being no more than 100 DEG C
Enough intensity can be kept, and can be used for a long time in higher interior pressure.The weight of CPVC is the 1/6 of brass, steel
1/5, and have extremely low thermal conductivity, therefore, the pipeline manufactured with CPVC is light-weight, and heat-proof quality is good, is not required to keep the temperature.
For CPVC blend composition, the current country is primarily present following patent document:
China Patent Publication No.: CN107739489A discloses a kind of preparation method of the CPVC blend composition of high thermal stability.It should
The step of preparation method includes heating mixing step and cooling step, wherein heating mixing step mainly includes hydrotalcite, ethyl
Tin heat stabilizer compound, CPVC and auxiliary agent heat blending in batch mixer.CPVC thermal stability is improved, while reducing second
The dosage of based tin heat stabilizer solves the problems, such as that CPVC processing difficulties, heat stabilizer are at high cost.
Summary of the invention
Above-mentioned to solve the problems, such as, the purpose of the present invention is to provide a kind of CPVC blend composition systems of high thermal stability
Preparation Method, the CPVC blend composition are easy to adsorption aid in mixing process, are easy to be plasticized in processing, and thermal stability is good, stretch
Intensity is high, and rigid is good.
In order to achieve the above objectives, the technical scheme is that
A kind of CPVC blending preparation method for material of high thermal stability, the CPVC blend composition includes the ingredient of following parts by weight: PVC
Resin: 15 ~ 20 parts, CPVC resin: 30 ~ 40 parts, ACR resin: 20 ~ 30 parts, sodium dihydrogen phosphate: 5 ~ 10 parts, precipitated calcium carbonate: 5 ~
10 parts, impact modifying agent: 1 ~ 5 part, heat stabilizer: 1 ~ 5 part, expanding material: 1 ~ 5 part, titanium dioxide: 1 ~ 5 part, coupling agent: 1 ~ 5 part；
The preparation method includes the following steps:
1) high-speed mixer is taken, the polyvinyl chloride resin, CPVC resin, ACR resin are added according to the proportion, at 600 ~ 800 revs/min
At a temperature of revolving speed and 50 ~ 60 DEG C, it is stirred 3 ~ 5 minutes；
2) 70 ~ 80 DEG C are warming up to, sodium dihydrogen phosphate, precipitated calcium carbonate, impact modifying agent, heat stabilizer and expanding material is added,
It is stirred 5 ~ 8 minutes with 800 ~ 1000 revs/min of revolving speed；
3) 115 ~ 120 DEG C are warming up to, titanium dioxide and coupling agent is added, stirs 5 ~ 10 points with 1000 ~ 1200 revs/min of revolving speed
Clock is thoroughly mixed；
4) mixed material obtained by step 3) is gone into cold mixing machine, continues to be stirred 5 ~ 8 points with 800 ~ 1000 revs/min of revolving speed
Clock, and 40 ~ 50 DEG C are cooled to, it is then sent in conical double screw extruder, melting extrusion is granulated to obtain the CPVC blend composition.
Further, the ACR resin includes the ingredient of following parts by weight: methyl methacrylate: 20 ~ 30 parts, propylene
Acid butyl ester: 5 ~ 10 parts, ethyl acrylate: 5 ~ 10 parts, styrene: 5 ~ 10 parts, initiator: 1 ~ 5 part.
Further, the heat stabilizer is Ca Zn composite type heat stabilizer or organic tin heat stabilizer.
Further, the lubricant is paraffin, polyethylene wax or oxidized polyethylene wax.
Further, the expanding material is vinyl-acrylate copolymer.
Further, the coupling agent is silane coupling agent.
Further, the impact modifying agent is haloflex.
Further, the initiator is persulfate or benzoyl peroxide.
Further, temperature of the conical double screw extruder from feeding section to mouth mold is 150~160 DEG C.
The beneficial effects of the present invention are:
The CPVC blend composition is easy to adsorption aid in mixing process, is easy to be plasticized in processing, and thermal stability is good, stretches strong
Degree is high, and rigid is good.
Specific embodiment
Below by specific embodiment, the present invention is described further, but embodiment is not intended to limit protection of the invention
Range.
Preparation method for material is blended in a kind of CPVC of high thermal stability of the present invention, and the CPVC blend composition includes as follows
The ingredient of parts by weight: polyvinyl chloride resin: 15 ~ 20 parts, CPVC resin: 30 ~ 40 parts, ACR resin: 20 ~ 30 parts, sodium dihydrogen phosphate: 5 ~ 10
Part, precipitated calcium carbonate: 5 ~ 10 parts, impact modifying agent: 1 ~ 5 part, heat stabilizer: 1 ~ 5 part, expanding material: 1 ~ 5 part, titanium dioxide: 1 ~ 5
Part, coupling agent: 1 ~ 5 part；
The preparation method includes the following steps:
1) high-speed mixer is taken, the polyvinyl chloride resin, CPVC resin, ACR resin are added according to the proportion, at 600 ~ 800 revs/min
At a temperature of revolving speed and 50 ~ 60 DEG C, it is stirred 3 ~ 5 minutes；
2) 70 ~ 80 DEG C are warming up to, sodium dihydrogen phosphate, precipitated calcium carbonate, impact modifying agent, heat stabilizer and expanding material is added,
It is stirred 5 ~ 8 minutes with 800 ~ 1000 revs/min of revolving speed；
3) 115 ~ 120 DEG C are warming up to, titanium dioxide and coupling agent is added, stirs 5 ~ 10 points with 1000 ~ 1200 revs/min of revolving speed
Clock is thoroughly mixed；
4) mixed material obtained by step 3) is gone into cold mixing machine, continues to be stirred 5 ~ 8 points with 800 ~ 1000 revs/min of revolving speed
Clock, and 40 ~ 50 DEG C are cooled to, it is then sent in conical double screw extruder, melting extrusion is granulated to obtain the CPVC blend composition.
Further, the ACR resin includes the ingredient of following parts by weight: methyl methacrylate: 20 ~ 30 parts, propylene
Acid butyl ester: 5 ~ 10 parts, ethyl acrylate: 5 ~ 10 parts, styrene: 5 ~ 10 parts, initiator: 1 ~ 5 part.
Further, the heat stabilizer is Ca Zn composite type heat stabilizer or organic tin heat stabilizer.
Further, the lubricant is paraffin, polyethylene wax or oxidized polyethylene wax.
Further, the expanding material is vinyl-acrylate copolymer.
Further, the coupling agent is silane coupling agent.
Further, the impact modifying agent is haloflex.
Further, the initiator is persulfate or benzoyl peroxide.
Further, temperature of the conical double screw extruder from feeding section to mouth mold is 150~160 DEG C.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to the technology of invention
Scheme is modified or replaced equivalently, and without departing from the range of technical solution of the present invention, should all be covered in power of the invention
In sharp claimed range.
Claims (9)
1. preparation method for material is blended in a kind of CPVC of high thermal stability, which is characterized in that the CPVC blend composition includes following weight
The ingredient of amount part: polyvinyl chloride resin: 15 ~ 20 parts, CPVC resin: 30 ~ 40 parts, ACR resin: 20 ~ 30 parts, sodium dihydrogen phosphate: 5 ~ 10
Part, precipitated calcium carbonate: 5 ~ 10 parts, impact modifying agent: 1 ~ 5 part, heat stabilizer: 1 ~ 5 part, expanding material: 1 ~ 5 part, titanium dioxide: 1 ~ 5
Part, coupling agent: 1 ~ 5 part；
The preparation method includes the following steps:
1) high-speed mixer is taken, the polyvinyl chloride resin, CPVC resin, ACR resin are added according to the proportion, at 600 ~ 800 revs/min
At a temperature of revolving speed and 50 ~ 60 DEG C, it is stirred 3 ~ 5 minutes；
2) 70 ~ 80 DEG C are warming up to, sodium dihydrogen phosphate, precipitated calcium carbonate, impact modifying agent, heat stabilizer and expanding material is added,
It is stirred 5 ~ 8 minutes with 800 ~ 1000 revs/min of revolving speed；
3) 115 ~ 120 DEG C are warming up to, titanium dioxide and coupling agent is added, stirs 5 ~ 10 points with 1000 ~ 1200 revs/min of revolving speed
Clock is thoroughly mixed；
4) mixed material obtained by step 3) is gone into cold mixing machine, continues to be stirred 5 ~ 8 points with 800 ~ 1000 revs/min of revolving speed
Clock, and 40 ~ 50 DEG C are cooled to, it is then sent in conical double screw extruder, melting extrusion is granulated to obtain the CPVC blend composition.
2. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that described
ACR resin includes the ingredient of following parts by weight: methyl methacrylate: 20 ~ 30 parts, butyl acrylate: and 5 ~ 10 parts, acrylic acid second
Ester: 5 ~ 10 parts, styrene: 5 ~ 10 parts, initiator: 1 ~ 5 part.
3. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that the heat
Stabilizer is Ca Zn composite type heat stabilizer or organic tin heat stabilizer.
4. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that the profit
Lubrication prescription is paraffin, polyethylene wax or oxidized polyethylene wax.
5. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that the increasing
Appearance agent is vinyl-acrylate copolymer.
6. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that the idol
Connection agent is silane coupling agent.
7. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that the punching
Hitting modifying agent is haloflex.
8. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 2, which is characterized in that described to draw
Sending out agent is persulfate or benzoyl peroxide.
9. preparation method for material is blended in a kind of CPVC of high thermal stability according to claim 1, which is characterized in that the cone
Temperature of the shape double screw extruder from feeding section to mouth mold is 150~160 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910155964.6A CN109880265A (en) | 2019-03-01 | 2019-03-01 | A kind of CPVC blending preparation method for material of high thermal stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910155964.6A CN109880265A (en) | 2019-03-01 | 2019-03-01 | A kind of CPVC blending preparation method for material of high thermal stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109880265A true CN109880265A (en) | 2019-06-14 |
Family
ID=66930285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910155964.6A Pending CN109880265A (en) | 2019-03-01 | 2019-03-01 | A kind of CPVC blending preparation method for material of high thermal stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109880265A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321977A (en) * | 2020-10-12 | 2021-02-05 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Preparation method of CPVC (chlorinated polyvinyl chloride) composition with high thermal stability |
| CN113667249A (en) * | 2021-08-27 | 2021-11-19 | 山东高信化学股份有限公司 | High-strength high-temperature-resistant chlorinated polyvinyl chloride bar and preparation method thereof |
| WO2022160451A1 (en) * | 2021-01-29 | 2022-08-04 | 广东联塑科技实业有限公司 | Easy-processing cpvc composition, preparation method therefor and use thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218990A (en) * | 2015-11-02 | 2016-01-06 | 苏州新区佳合塑胶有限公司 | A kind of heat-resisting CPVC formula |
| CN105255079A (en) * | 2015-11-04 | 2016-01-20 | 安徽瑞丰管业有限公司 | Chlorinated polyvinyl chloride tube stock and preparation method thereof |
| CN105623162A (en) * | 2016-01-22 | 2016-06-01 | 浙江灵通道路设施股份有限公司 | Production process of PVC tube for protecting high-voltage power cable |
| CN107936401A (en) * | 2017-11-20 | 2018-04-20 | 孙荣华 | Heat resistant type PVC, CPVC, CPE tertiary blending formula |
| CN108102239A (en) * | 2017-11-20 | 2018-06-01 | 丁妙严 | PVC, CPVC, CPE tertiary blending formula |
| CN108530809A (en) * | 2018-03-05 | 2018-09-14 | 杭州电化新材料有限公司 | A kind of CPVC is modified the preparation method of blend composition |
-
2019
- 2019-03-01 CN CN201910155964.6A patent/CN109880265A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218990A (en) * | 2015-11-02 | 2016-01-06 | 苏州新区佳合塑胶有限公司 | A kind of heat-resisting CPVC formula |
| CN105255079A (en) * | 2015-11-04 | 2016-01-20 | 安徽瑞丰管业有限公司 | Chlorinated polyvinyl chloride tube stock and preparation method thereof |
| CN105623162A (en) * | 2016-01-22 | 2016-06-01 | 浙江灵通道路设施股份有限公司 | Production process of PVC tube for protecting high-voltage power cable |
| CN107936401A (en) * | 2017-11-20 | 2018-04-20 | 孙荣华 | Heat resistant type PVC, CPVC, CPE tertiary blending formula |
| CN108102239A (en) * | 2017-11-20 | 2018-06-01 | 丁妙严 | PVC, CPVC, CPE tertiary blending formula |
| CN108530809A (en) * | 2018-03-05 | 2018-09-14 | 杭州电化新材料有限公司 | A kind of CPVC is modified the preparation method of blend composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321977A (en) * | 2020-10-12 | 2021-02-05 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Preparation method of CPVC (chlorinated polyvinyl chloride) composition with high thermal stability |
| WO2022160451A1 (en) * | 2021-01-29 | 2022-08-04 | 广东联塑科技实业有限公司 | Easy-processing cpvc composition, preparation method therefor and use thereof |
| CN113667249A (en) * | 2021-08-27 | 2021-11-19 | 山东高信化学股份有限公司 | High-strength high-temperature-resistant chlorinated polyvinyl chloride bar and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109880265A (en) | A kind of CPVC blending preparation method for material of high thermal stability | |
| CN105175962B (en) | Chlorinated polyvinyl chloride modified material | |
| CN101486821B (en) | Nontoxic chlorinated polyvinyl chloride pipe and preparation thereof | |
| CN102443231B (en) | Manufacturing method of PVDC film with crystal point eliminated and barrier property improved | |
| CN103923420B (en) | A kind of nontoxic, higher-dimension card hot and cold water CPVC and preparation method thereof | |
| CN102190836B (en) | Convex rib winding reinforced polyvinyl chloride hose for sand transportation and preparation method thereof | |
| CN102863711A (en) | Heat-resisting PVC high impact-resisting tubular product and preparation method thereof | |
| CN108659421A (en) | Chliorinated polyvinyl chloride composition and tubing preparation method | |
| CN109370107A (en) | A kind of high shock resistance type PVC-U pipe fitting and preparation method thereof | |
| CN102911455B (en) | PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof | |
| CN106751116A (en) | A kind of PVC composition | |
| CN105175949A (en) | Drain pipe and preparation method thereof | |
| CN104530593A (en) | Reinforcing and toughening PVC pipe and preparation method thereof | |
| CN103360696B (en) | Less energy-consumption is high extrudes output PVC-M pipe composition | |
| CN107151405A (en) | A kind of formula of PVC | |
| CN104109301B (en) | A kind of double orientation polyvinyl chloride tube material and preparation method thereof | |
| CN107778690A (en) | Impact pvc pipe and its production method | |
| CN100572029C (en) | The processing method of Nano material of drainpipe | |
| CN106832698A (en) | A kind of chlorinated polyvinyl chloride tubes composition and tubing preparation method | |
| JP4960834B2 (en) | Solidification of particles from an emulsion by in situ formation of a coagulant. | |
| CN108384141B (en) | Heat-resistant polyvinyl chloride pipe fitting and preparation method thereof | |
| CN102786622B (en) | Processing modifying agent applied to polyvinyl chloride pipe materials and pipe fittings | |
| CN111117114A (en) | PVC heat-resistant pipe and preparation method thereof | |
| CN111171473B (en) | Large-diameter PVC-U water supply accessory injection molding granules and preparation method thereof | |
| CN111087718A (en) | Impact-resistant PVC-U pipe and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |
|
| RJ01 | Rejection of invention patent application after publication |