CN103897291A - PVC-U pipe fitting - Google Patents
PVC-U pipe fitting Download PDFInfo
- Publication number
- CN103897291A CN103897291A CN201410026757.8A CN201410026757A CN103897291A CN 103897291 A CN103897291 A CN 103897291A CN 201410026757 A CN201410026757 A CN 201410026757A CN 103897291 A CN103897291 A CN 103897291A
- Authority
- CN
- China
- Prior art keywords
- pvc
- parts
- pipe fitting
- temperature
- under
- 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)
Abstract
The invention relates to a PVC-U (Poly Vinyl Chloride-Unplasticized ) pipe fitting. The PVC-U pipe fitting is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl chloride resin powder, 2.4-2.7 parts of methyl tin mercaptide stabilizer, 0.5 part of titanium dioxide, 15-20 parts of light calcium carbonate, 1.2-1.6 parts of processing aid, 1.8-2 parts of epoxidized soybean oil, 0.5-0.7 part of stearic acid, 0.2-0.4 part of calcium stearate, 0.8-1.0 part of PE (Poly Ethylene) wax, 1.4-1.6 parts of monostearin and 0.02-0.025 part of carbon black. The PVC-U pipe fitting is stable in effect and excellent in plasticization effect.
Description
Technical field
The present invention relates to field of plastics processing field, relate in particular to a kind of PVC-U pipe fitting.
Background technology
The poor heat stability of polyvinyl chloride work in-process, melt viscosity is large, and plasticizing poor fluidity must add the additives such as stablizer, fluidizer, lubricant in production application, could machine-shaping.And lead salts stable be that wherein price is lower, the good class of stabilising effect, but lead salt stabilizer is harmful to HUMAN HEALTH and environment, current international PVC has forbidden in market or has limited using lead salt stabilizer, the domestic plasticizer DOP that has many hard polrvinyl chloride products manufacturing enterprise still to use lead salt stabilizer and there is potential carcinogenic danger, though the asepsis environment-protecting stablizers such as calcium zinc class are selected by part producer, but poorer than lead salt stabilizer because of its stabilising effect, product properties is less than the corresponding product of lead salt stabilizer production.Therefore, research and develop a kind of stable and good environment-friendly PVC-U pipe fitting of plasticizing effect, realize unleaded, the nontoxic trend that has become PVC-U market development of PVC-U pipe fitting.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of effect stability, the good PVC-U pipe fitting of plasticizing effect.
For addressing the above problem, a kind of PVC-U pipe fitting of the present invention, is characterized in that: it is made up of the raw material of following weight parts: 100 parts of polyvinyl chloride resin powder, 2.4 ~ 2.7 parts of thiol methyl tin stablizers, 0.5 part of titanium dioxide, 15 ~ 20 parts of light calcium carbonates, 1.2 ~ 1.6 parts of processing aids, 1.8 ~ 2 parts of epoxy soybean oils, 0.5 ~ 0.7 part of stearic acid, 0.2 ~ 0.4 part of calcium stearate, 0.8 ~ 1.0 part, PE wax, 1.4 ~ 1.6 parts of Tegin 55Gs, 0.02 ~ 0.025 part of carbon black.
The model of described polyvinyl chloride resin powder is SG-5 type, its K value 66 ~ 68, the polymerization degree 1000 ~ 1100, fugitive constituent is less than or equal to 0.4%, apparent density is more than or equal to 0.4 kg/m
3.
Described thiol methyl tin stablizer refers to SC-688 thiol methyl tin 181 thermo-stabilizers, and its tin content is 18.7 ~ 19.7%, sulphur content is 11.5 ~ 12.5%, monomethyl content is 19.0 ~ 29.0%.
Described titanium dioxide refers to Rutile type Titanium Dioxide.
The particle diameter of described light calcium carbonate is 400 orders.
Described processing aid refers to the processing aid of esters of acrylic acid.
Described carbon black refers to the pigment carbon black of raw particle diameter at 18 ~ 25nm.
The preparation method of a kind of PVC-U pipe fitting as above, comprises the following steps:
(1) by weigh various raw materials by proportioning;
(2) under the speed of 40 ~ 60rpm, in batch mixing pot, add polyvinyl chloride resin powder, thiol methyl tin stablizer; Then under the condition of 50 ~ 70 ℃, to add successively epoxy soybean oil, processing aid, stearic acid, calcium stearate, PE wax, Tegin 55G, titanium dioxide, carbon black under the speed of 30 ~ 45rpm in described batch mixing pot, obtain compound;
(3) under the condition of 75 ~ 95 ℃, to add light calcium carbonate under the speed of 40 ~ 50rmp in described compound, heat is mixed after 115 ~ 125 ℃ and is put into cold mixed pot, when cold while mixing to 45 ~ 55 ℃ blowing take the dish out of the pot and send in tablets press, it is 150 ~ 170 ℃ in 1 section of temperature of barrel, 2 sections of temperature of barrel are 155 ~ 175 ℃, 3 sections of temperature of barrel are 160 ~ 180 ℃, 1 section of temperature of head is 145 ~ 165 ℃, 2 sections of temperature of head are 150 ~ 170 ℃, 3 sections of temperature of head are 155 ~ 175 ℃, merging core temperature is 155 ~ 175 ℃, die temperature is to carry out granulation under the condition of 160 ~ 180 ℃, obtain PVC-U raw materials for production, these PVC-U raw materials for production are sent in forcing machine, are injection moulding under the condition of 155 ~ 170 ℃ according to a conventional method at injection temperature.
The present invention compared with prior art has the following advantages:
1, because thermo-stabilizer in the present invention is selected and is had thermostability and plasticization effect, nontoxic methyl tin heat stabilizer concurrently; Softening agent select there is heat, the nontoxic epoxy soybean oil of light stabilising effect, guaranteed system thermostability, extended product work-ing life under condition out of doors, reached the safety non-toxic of product.
2, the dual plasticization effect of stablizer of the present invention and softening agent, has improved raw material and has plastified mobility, has improved the addition of light calcium carbonate, reduces the cost of product.
3, the use of organotin stabilizer of the present invention, has improved the glossiness of product surface, solves rough that PVC-U product surface exists, and the defects such as crackle, bubble, decortication and serious cold spot improve the output qualification rate of goods.
4, product of the present invention and the product performance contrast that contains lead salt, calcium zinc class stablizer raw material production, the product that adopts the technology of the present invention to produce, adopt the product of lead salt, calcium zinc class stablizer raw material production not only to there is good visual appearance and higher vicat softening temperature, also there is excellent hydrostatic performance (referring to table 1).
Table 1: product of the present invention and the product performance contrast that contains lead salt, calcium zinc class stablizer raw material production
Embodiment
embodiment 1a kind of PVC-U pipe fitting, it is made up of the raw material of following weight parts (kg): 100 parts of polyvinyl chloride resin powder, 2.4 parts of thiol methyl tin stablizers, 0.5 part of titanium dioxide, 20 parts of light calcium carbonates, 1.6 parts of processing aids, 2 parts of epoxy soybean oils, 0.7 part of stearic acid, 0.4 part of calcium stearate, 0.8 part, PE wax, 1.6 parts of Tegin 55Gs, 0.025 part of carbon black.
The preparation method of this PVC-U pipe fitting, comprises the following steps:
(1) by weigh various raw materials by proportioning;
(2) under the speed of 40 ~ 60rpm, in batch mixing pot, add polyvinyl chloride resin powder, thiol methyl tin stablizer; Then under the condition of 50 ~ 70 ℃, to add successively epoxy soybean oil, processing aid, stearic acid, calcium stearate, PE wax, Tegin 55G, titanium dioxide, carbon black under the speed of 30 ~ 45rpm in batch mixing pot, obtain compound;
(3) under the condition of 75 ~ 95 ℃, to add light calcium carbonate under the speed of 40 ~ 50rmp in compound, heat is mixed after 115 ~ 125 ℃ and is put into cold mixed pot, when cold while mixing to 45 ~ 55 ℃ blowing take the dish out of the pot and send in tablets press, it is 150 ~ 170 ℃ in 1 section of temperature of barrel, 2 sections of temperature of barrel are 155 ~ 175 ℃, 3 sections of temperature of barrel are 160 ~ 180 ℃, 1 section of temperature of head is 145 ~ 165 ℃, 2 sections of temperature of head are 150 ~ 170 ℃, 3 sections of temperature of head are 155 ~ 175 ℃, merging core temperature is 155 ~ 175 ℃, die temperature is to carry out granulation under the condition of 160 ~ 180 ℃, obtain PVC-U raw materials for production, these PVC-U raw materials for production are sent in forcing machine, are injection moulding under the condition of 155 ~ 170 ℃ according to a conventional method at injection temperature.
embodiment 2a kind of PVC-U pipe fitting, it is made up of the raw material of following weight parts (kg): 100 parts of polyvinyl chloride resin powder, 2.7 parts of thiol methyl tin stablizers, 0.5 part of titanium dioxide, 15 parts of light calcium carbonates, 1.2 parts of processing aids, 1.8 parts of epoxy soybean oils, 0.5 part of stearic acid, 0.2 part of calcium stearate, 1.0 parts, PE wax, 1.4 parts of Tegin 55Gs, 0.02 part of carbon black.
The preparation method of this PVC-U pipe fitting is same
embodiment 1.
embodiment 3a kind of PVC-U pipe fitting, it is made up of the raw material of following weight parts (kg): 100 parts of polyvinyl chloride resin powder, 2.5 parts of thiol methyl tin stablizers, 0.5 part of titanium dioxide, 18 parts of light calcium carbonates, 1.4 parts of processing aids, 1.9 parts of epoxy soybean oils, 0.6 part of stearic acid, 0.3 part of calcium stearate, 0.9 part, PE wax, 1.5 parts of Tegin 55Gs, 0.023 part of carbon black.
The preparation method of this PVC-U pipe fitting is same
embodiment 1.
Above-mentioned
embodiment 1 ~ 3in, the model of polyvinyl chloride resin powder is SG-5 type, its K value 66 ~ 68, the polymerization degree 1000 ~ 1100, fugitive constituent is less than or equal to 0.4%, apparent density is more than or equal to 0.4 kg/m
3.Thiol methyl tin stablizer refers to SC-688 thiol methyl tin 181 thermo-stabilizers, and its tin content is 18.7 ~ 19.7%, sulphur content is 11.5 ~ 12.5%, monomethyl content is 19.0 ~ 29.0%.Titanium dioxide refers to Rutile type Titanium Dioxide.The particle diameter of light calcium carbonate is 400 orders.Processing aid refers to the processing aid of esters of acrylic acid.Carbon black refers to the pigment carbon black of raw particle diameter at 18 ~ 25nm.
Claims (8)
1. a PVC-U pipe fitting, it is characterized in that: it is made up of the raw material of following weight parts: 100 parts of polyvinyl chloride resin powder, 2.4 ~ 2.7 parts of thiol methyl tin stablizers, 0.5 part of titanium dioxide, 15 ~ 20 parts of light calcium carbonates, 1.2 ~ 1.6 parts of processing aids, 1.8 ~ 2 parts of epoxy soybean oils, 0.5 ~ 0.7 part of stearic acid, 0.2 ~ 0.4 part of calcium stearate, 0.8 ~ 1.0 part, PE wax, 1.4 ~ 1.6 parts of Tegin 55Gs, 0.02 ~ 0.025 part of carbon black.
2. a kind of PVC-U pipe fitting as claimed in claim 1, is characterized in that: the model of described polyvinyl chloride resin powder is SG-5 type, its K value 66 ~ 68, the polymerization degree 1000 ~ 1100, fugitive constituent is less than or equal to 0.4%, apparent density is more than or equal to 0.4 kg/m
3.
3. a kind of PVC-U pipe fitting as claimed in claim 1, it is characterized in that: described thiol methyl tin stablizer refers to SC-688 thiol methyl tin 181 thermo-stabilizers, its tin content is 18.7 ~ 19.7%, sulphur content is 11.5 ~ 12.5%, monomethyl content is 19.0 ~ 29.0%.
4. a kind of PVC-U pipe fitting as claimed in claim 1, is characterized in that: described titanium dioxide refers to Rutile type Titanium Dioxide.
5. a kind of PVC-U pipe fitting as claimed in claim 1, is characterized in that: the particle diameter of described light calcium carbonate is 400 orders.
6. a kind of PVC-U pipe fitting as claimed in claim 1, is characterized in that: described processing aid refers to the processing aid of esters of acrylic acid.
7. a kind of PVC-U pipe fitting as claimed in claim 1, is characterized in that: described carbon black refers to the pigment carbon black of raw particle diameter at 18 ~ 25nm.
8. the preparation method of a kind of PVC-U pipe fitting as claimed in claim 1, comprises the following steps:
(1) by weigh various raw materials by proportioning;
(2) under the speed of 40 ~ 60rpm, in batch mixing pot, add polyvinyl chloride resin powder, thiol methyl tin stablizer; Then under the condition of 50 ~ 70 ℃, to add successively epoxy soybean oil, processing aid, stearic acid, calcium stearate, PE wax, Tegin 55G, titanium dioxide, carbon black under the speed of 30 ~ 45rpm in described batch mixing pot, obtain compound;
(3) under the condition of 75 ~ 95 ℃, to add light calcium carbonate under the speed of 40 ~ 50rmp in described compound, heat is mixed after 115 ~ 125 ℃ and is put into cold mixed pot, when cold while mixing to 45 ~ 55 ℃ blowing take the dish out of the pot and send in tablets press, it is 150 ~ 170 ℃ in 1 section of temperature of barrel, 2 sections of temperature of barrel are 155 ~ 175 ℃, 3 sections of temperature of barrel are 160 ~ 180 ℃, 1 section of temperature of head is 145 ~ 165 ℃, 2 sections of temperature of head are 150 ~ 170 ℃, 3 sections of temperature of head are 155 ~ 175 ℃, merging core temperature is 155 ~ 175 ℃, die temperature is to carry out granulation under the condition of 160 ~ 180 ℃, obtain PVC-U raw materials for production, these PVC-U raw materials for production are sent in forcing machine, are injection moulding under the condition of 155 ~ 170 ℃ according to a conventional method at injection temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026757.8A CN103897291A (en) | 2014-01-21 | 2014-01-21 | PVC-U pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026757.8A CN103897291A (en) | 2014-01-21 | 2014-01-21 | PVC-U pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103897291A true CN103897291A (en) | 2014-07-02 |
Family
ID=50988892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026757.8A Pending CN103897291A (en) | 2014-01-21 | 2014-01-21 | PVC-U pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103897291A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419149A (en) * | 2015-11-29 | 2016-03-23 | 贵州开磷集团股份有限公司 | PVC rigid tube and preparation method thereof |
| CN105623142A (en) * | 2015-07-13 | 2016-06-01 | 惠州市金浩润电业有限公司 | Preparation method for high-stability hard PVC (polyvinyl chloride) colloidal particles |
| CN106280073A (en) * | 2016-07-22 | 2017-01-04 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of cold-resistant polyvinyl chloride pipe part and preparation method thereof |
| CN106317677A (en) * | 2015-07-10 | 2017-01-11 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Environment-friendly master batch for polyvinyl chloride (PVC) drip irrigation belts |
| CN106987065A (en) * | 2017-05-10 | 2017-07-28 | 佛山市高明区家乐仕装饰材料有限公司 | A kind of corrosion-resistant PVC profile |
| CN107216570A (en) * | 2017-06-21 | 2017-09-29 | 山西泰鑫塑胶制品有限公司 | A kind of PVC U tubing method for mixing |
| CN113214577A (en) * | 2021-05-13 | 2021-08-06 | 广西雄塑科技发展有限公司 | Hard polyvinyl chloride pipe fitting filled with superfine active calcium carbonate and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1327659A1 (en) * | 1995-10-13 | 2003-07-16 | Crompton Vinyl Additives GmbH | Stabiliser combinations for chlorinated polymers |
| CN101486820A (en) * | 2009-02-16 | 2009-07-22 | 黄山琦源塑管阀门有限公司 | PVC material and preparation thereof |
| CN101948594A (en) * | 2010-10-25 | 2011-01-19 | 江苏技术师范学院 | High-impact-resistance water supply pipe aggregate and preparation method thereof |
-
2014
- 2014-01-21 CN CN201410026757.8A patent/CN103897291A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1327659A1 (en) * | 1995-10-13 | 2003-07-16 | Crompton Vinyl Additives GmbH | Stabiliser combinations for chlorinated polymers |
| CN101486820A (en) * | 2009-02-16 | 2009-07-22 | 黄山琦源塑管阀门有限公司 | PVC material and preparation thereof |
| CN101948594A (en) * | 2010-10-25 | 2011-01-19 | 江苏技术师范学院 | High-impact-resistance water supply pipe aggregate and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴清鹤: "《塑料挤出成型（第一版）》", 31 October 2004, article "PVC硬管", pages: 91 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317677A (en) * | 2015-07-10 | 2017-01-11 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Environment-friendly master batch for polyvinyl chloride (PVC) drip irrigation belts |
| CN105623142A (en) * | 2015-07-13 | 2016-06-01 | 惠州市金浩润电业有限公司 | Preparation method for high-stability hard PVC (polyvinyl chloride) colloidal particles |
| CN105419149A (en) * | 2015-11-29 | 2016-03-23 | 贵州开磷集团股份有限公司 | PVC rigid tube and preparation method thereof |
| CN106280073A (en) * | 2016-07-22 | 2017-01-04 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of cold-resistant polyvinyl chloride pipe part and preparation method thereof |
| CN106987065A (en) * | 2017-05-10 | 2017-07-28 | 佛山市高明区家乐仕装饰材料有限公司 | A kind of corrosion-resistant PVC profile |
| CN107216570A (en) * | 2017-06-21 | 2017-09-29 | 山西泰鑫塑胶制品有限公司 | A kind of PVC U tubing method for mixing |
| CN113214577A (en) * | 2021-05-13 | 2021-08-06 | 广西雄塑科技发展有限公司 | Hard polyvinyl chloride pipe fitting filled with superfine active calcium carbonate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103897291A (en) | PVC-U pipe fitting | |
| CN102321317B (en) | High-transparent medical PVC pellet and preparation method thereof | |
| CN104650506B (en) | A kind of degradable environmentally-friendly plastic | |
| CN103122112A (en) | PVC (polyvinyl chloride)-based wood plastic and preparation method thereof | |
| CN103396620A (en) | PVC (Polyvinyl Chloride) plastic-wood foaming material | |
| CN104479245A (en) | Formula and preparation method of environment-friendly sectional materials | |
| CN103509301B (en) | There is the CPVC composition of good erosion-resisting characteristics | |
| CN105566799A (en) | Environmental-protection type highly-transparent PVC composition for producing medical infusion tubes | |
| CN102911456A (en) | PVC (polyvinyl chloride)/ASA (acrylonitrile styrene acrylate) pipe with high impact resistance and method for preparing same | |
| CN104479246A (en) | Formula and preparation method of novel environment-friendly sectional materials | |
| CN105400103A (en) | Plasticizer-free hard highly-transparent PVC container aggregate and preparation method thereof | |
| CN106905494A (en) | Resin promotees plasticiser and its preparation and the method using its manufacture wood-plastic decorating material | |
| CN103937124A (en) | High-speed extrusion matte polyvinyl chloride cable material and preparation method thereof | |
| CN102924842A (en) | High-impact polyvinyl chloride (PVC)/ nitrile-butadiene rubber (NBR) pipe and preparation method thereof | |
| CN103665684A (en) | CPVC (Chlorinated Polyvinyl Chloride) composition with high flowability for injection molding | |
| CN102796284A (en) | Plastic pipe fitting-used composite stabilizer and preparation method thereof | |
| CN104277326A (en) | Ageing-resistant plastic pipe | |
| CN102213350B (en) | Method for producing polyvinyl chloride (PVC) compound hose | |
| CN108641235B (en) | Antibacterial PVC plastic and preparation method thereof | |
| CN102143991B (en) | Soft, pelletized poly(vinyl chloride) plastisol | |
| CN106867130B (en) | A kind of transparent shock-resistant hard PVC pellet composition and preparation method thereof | |
| CN107903605A (en) | A kind of composite plastic and preparation method thereof | |
| CN103937127B (en) | A kind of polyblend tubing containing HPVC/SPVC/CPVC and preparation method thereof | |
| CN107698898A (en) | A kind of food is material modified and preparation method thereof with PVC | |
| CN104403256A (en) | Spraying-free aesthetic resin with white jade effect and preparation method of aesthetic resin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140702 |