CN105175948A - Lead-free environment-friendly sectional bar and production technology thereof - Google Patents
Lead-free environment-friendly sectional bar and production technology thereof Download PDFInfo
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- CN105175948A CN105175948A CN201510707928.8A CN201510707928A CN105175948A CN 105175948 A CN105175948 A CN 105175948A CN 201510707928 A CN201510707928 A CN 201510707928A CN 105175948 A CN105175948 A CN 105175948A
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Abstract
The invention discloses a lead-free environment-friendly sectional bar. The sectional bar is prepared from 120 parts of PVC, 6 parts of chlorinated polyethylene, 9-10 parts of ultrafine CaCO3, 1 part of an ACR processing agent, 4-6 parts of an impact modifier, 1-2 parts of calcium stearate, 0.2 part of monostearin, 17-18 parts of titanium dioxide and 1.5-2 parts of an organic tin stabilizing agent. The invention further discloses a production technology of the lead-free environment-friendly sectional bar. The raw materials and the production technology of the sectional bar are optimized, the surface gloss of the PVC sectional bar is good, the impact strength of the obtained sectional bar is improved, and the requirement for health indicators of the lead-free environment-friendly sectional bar is met.
Description
Technical field
The invention belongs to PVC profile Performance Optimization technique field, be specifically related to a kind of leadless environment-friendly section bar and production technique thereof.
Background technology
Plastic material is due to huge market demand and vast potential for future development, develop rapidly is obtained in recent years in China, due to the severity of market competition, all plastics machinery manufacturers all consider a problem, how under the prerequisite ensureing quality product, to improve plastic material products production rate and qualification rate, play the maximum capacity of equipment thus the production cost of reduction product.Plastic material goods are divided into window frame, banister, trough, skirting board, steel tubing in different shapes etc., starting material mainly PVC, for a long time, lead salts thermo-stabilizer is occupied an leading position in China PVC processes, but its bad dispersibility, toxicity is large, is difficult to obtain bright goods.The plastic material adopted containing lead salt stabilizer such as door and window, banister, objectionable impurities exceeds standard, and does not meet environmental requirement more.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of leadless environment-friendly section bar and production technique thereof.
For achieving the above object, the invention provides following technical scheme:
A kind of leadless environment-friendly section bar, by weight, raw material and the proportioning of described section bar are as follows: PVC:120 part; Chlorinatedpolyethylene: 6 parts; Superfine CaCO-3: 9-10 part; ACR processing aid: 1 part; Anti-impact modifier: 4-6 part; Calcium stearate: 1-2 part; Tegin 55G: 0.2 part; Titanium dioxide 17-18 part; Organotin stabilizer: 1.5-2 part.
Further, described anti-impact modifier is any one or a few in CPE resin, CPVC resin, ABS resin, MBS resin, EVA resin, NBR resin, ACR resin.
The preparation technology of described leadless environment-friendly section bar, step is as follows:
1) raw material is added major ingredient machine barrel, described major ingredient machine barrel comprises machine barrel, extrusion die and rotatable screw rod, described machine barrel has 4 temperature-controlled areas, machine barrel first is set, second, 3rd, 4th temperature-controlled area temperature is respectively 170-185 DEG C, 170-185 DEG C, 160 ~ 170 DEG C, 160 ~ 170 DEG C, described head die has 2 temperature-controlled areas, extrusion die first is set, second temperature-controlled area temperature is respectively 180 ~ 195 DEG C, 180 ~ 195 DEG C, adjustment screw speed is 30 ~ 37r/min, raw material from machine barrel along with screw rod is through machine barrel first, second, 3rd, 4th temperature-controlled area, again through extrusion die first, second temperature-controlled area is to forcing machine,
2) raw material is extruded by forcing machine, it is 1.5 ~ 2m/min that extruded velocity controls, after draw into Vacuum shaping mould through tractor, vacuum degree control is at 0.08-0.1MPa, pulling speed is 1.5-2.2m/min, after shaper setting, then by cooling water tank Water cooling, it is 21 ~ 25 DEG C that water temperature controls.
Further, described step 1) in machine barrel first, second, third, fourth temperature-controlled area temperature be set be respectively 180 DEG C, 175 DEG C, 170 DEG C, 160 DEG C, first, second temperature-controlled area temperature of extrusion die is set and is respectively 190 DEG C, 190 DEG C.
Beneficial effect of the present invention is: the present invention, by the optimization to section bar raw material, have found best arranging scheme.Result shows, by adjusting the consumption of lubricant and adopting nano level CaCO
3aided Modification PVC matrix, add the weathering resistance that certain titanium dioxide can increase section bar, select organotin that section bar can be made to reach not containing the requirement of heavy metal without lead stabilizer, nontoxic, pollution-free, section bar can be made steadily to produce extruding in process engineering adding certain lubricant, surface gloss is good, and the resistance to impact shock of goods is improved, and also reaches the sanitary index requirement of leadless environment-friendly type PVC profile.
Embodiment
To be described in detail the preferred embodiments of the present invention below.
Embodiment 1
By weight, first raw material is pressed following proportioning Homogeneous phase mixing: PVC:120 part; Chlorinatedpolyethylene: 6 parts; Ultra-fine CaCO
3: 9 parts; ACR processing aid: 1 part; ABS resin: 5 parts; Calcium stearate: 1 part; Tegin 55G: 0.2 part; Titanium dioxide 17 parts; Organotin stabilizer: 2 parts.
Raw material is extruded by following technique:
1) raw material is added major ingredient machine barrel, described major ingredient machine barrel comprises machine barrel, extrusion die and rotatable screw rod, described machine barrel has 4 temperature-controlled areas, machine barrel first is set, second, 3rd, 4th temperature-controlled area temperature is respectively 185 DEG C, 180 DEG C, 160 DEG C, 165 DEG C, described head die has 2 temperature-controlled areas, extrusion die first is set, second temperature-controlled area temperature is respectively 180 DEG C, 180 DEG C, adjustment screw speed is 33r/min, raw material from machine barrel along with screw rod is through machine barrel first, second, 3rd, 4th temperature-controlled area, again through extrusion die first, second temperature-controlled area is to forcing machine,
2) raw material is extruded by forcing machine, and extruded velocity controls as 2m/min, after draw into Vacuum shaping mould through tractor, vacuum degree control is at 0.1MPa, and pulling speed is 2.0m/min, after shaper setting, again by cooling water tank Water cooling, it is 25 DEG C that water temperature controls.
Prepared product surface glossiness is good, and the resistance to impact shock of goods is improved, and also reaches the sanitary index requirement of leadless environment-friendly type PVC profile.
Embodiment 2
By weight, first raw material is pressed following proportioning Homogeneous phase mixing: PVC:120 part; Chlorinatedpolyethylene: 6 parts; Ultra-fine CaCO
3: 10 parts; ACR processing aid: 1 part; NBR resin: 5 parts; Calcium stearate: 2 parts; Tegin 55G: 0.2 part; Titanium dioxide 18 parts; Organotin stabilizer: 1.5 parts.
Raw material is extruded by following technique:
1) raw material is added major ingredient machine barrel, described major ingredient machine barrel comprises machine barrel, extrusion die and rotatable screw rod, described machine barrel has 4 temperature-controlled areas, machine barrel first is set, second, 3rd, 4th temperature-controlled area temperature is respectively 170 DEG C, 175 DEG C, 170 DEG C, 160 DEG C, described head die has 2 temperature-controlled areas, extrusion die first is set, second temperature-controlled area temperature is respectively 195 DEG C, 180 DEG C, adjustment screw speed is 35r/min, raw material from machine barrel along with screw rod is through machine barrel first, second, 3rd, 4th temperature-controlled area, again through extrusion die first, second temperature-controlled area is to forcing machine,
2) raw material is extruded by forcing machine, and extruded velocity controls as 1.5m/min, after draw into Vacuum shaping mould through tractor, vacuum degree control is at 0.09MPa, and pulling speed is 1.9m/min, after shaper setting, again by cooling water tank Water cooling, it is 25 DEG C that water temperature controls.
Prepared product surface glossiness is good, and the resistance to impact shock of goods is improved, and also reaches the sanitary index requirement of leadless environment-friendly type PVC profile.
Embodiment 3
By weight, first raw material is pressed following proportioning Homogeneous phase mixing: PVC:120 part; Chlorinatedpolyethylene: 6 parts; Ultra-fine CaCO
3: 10 parts; ACR processing aid: 1 part; ACR resin: 5 parts; Calcium stearate: 2 parts; Tegin 55G: 0.2 part; Titanium dioxide 18 parts; Organotin stabilizer: 1.5 parts.
Raw material is extruded by following technique:
1) raw material is added major ingredient machine barrel, described major ingredient machine barrel comprises machine barrel, extrusion die and rotatable screw rod, described machine barrel has 4 temperature-controlled areas, machine barrel first is set, second, 3rd, 4th temperature-controlled area temperature is respectively 175 DEG C, 180 DEG C, 165 DEG C, 160 DEG C, described head die has 2 temperature-controlled areas, extrusion die first is set, second temperature-controlled area temperature is respectively 182 DEG C, 189 DEG C, adjustment screw speed is 36r/min, raw material from machine barrel along with screw rod is through machine barrel first, second, 3rd, 4th temperature-controlled area, again through extrusion die first, second temperature-controlled area is to forcing machine,
2) raw material is extruded by forcing machine, and extruded velocity controls as 1.5m/min, after draw into Vacuum shaping mould through tractor, vacuum degree control is at 0.09MPa, and pulling speed is 1.9m/min, after shaper setting, again by cooling water tank Water cooling, it is 25 DEG C that water temperature controls.
Prepared product surface glossiness is good, and the resistance to impact shock of goods is improved, and also reaches the sanitary index requirement of leadless environment-friendly type PVC profile.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (4)
1. a leadless environment-friendly section bar, is characterized in that, by weight, raw material and the proportioning of described section bar are as follows: PVC:120 part; Chlorinatedpolyethylene: 6 parts; Ultra-fine CaCO
3: 9-10 part; ACR processing aid: 1 part; Anti-impact modifier: 4-6 part; Calcium stearate: 1-2 part; Tegin 55G: 0.2 part; Titanium dioxide 17-18 part; Organotin stabilizer: 1.5-2 part.
2. leadless environment-friendly section bar according to claim 1, is characterized in that, described anti-impact modifier is any one or a few in CPE resin, CPVC resin, ABS resin, MBS resin, EVA resin, NBR resin, ACR resin.
3. the preparation technology of leadless environment-friendly section bar described in claim 1, it is characterized in that, step is as follows:
1) raw material is added major ingredient machine barrel, described major ingredient machine barrel comprises machine barrel, extrusion die and rotatable screw rod, described machine barrel has 4 temperature-controlled areas, machine barrel first is set, second, 3rd, 4th temperature-controlled area temperature is respectively 170-185 DEG C, 170-185 DEG C, 160 ~ 170 DEG C, 160 ~ 170 DEG C, described head die has 2 temperature-controlled areas, extrusion die first is set, second temperature-controlled area temperature is respectively 180 ~ 195 DEG C, 180 ~ 195 DEG C, adjustment screw speed is 30 ~ 37r/min, raw material from machine barrel along with screw rod is through machine barrel first, second, 3rd, 4th temperature-controlled area, again through extrusion die first, second temperature-controlled area is to forcing machine,
2) raw material is extruded by forcing machine, it is 1.5 ~ 2m/min that extruded velocity controls, after draw into Vacuum shaping mould through tractor, vacuum degree control is at 0.08-0.1MPa, pulling speed is 1.5-2.2m/min, after shaper setting, then by cooling water tank Water cooling, it is 21 ~ 25 DEG C that water temperature controls.
4. the preparation technology of leadless environment-friendly section bar according to claim 3, it is characterized in that, described step 1) in machine barrel first, second, third, fourth temperature-controlled area temperature be set be respectively 180 DEG C, 175 DEG C, 170 DEG C, 160 DEG C, first, second temperature-controlled area temperature of extrusion die is set and is respectively 190 DEG C, 190 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121389A1 (en) * | 2016-01-15 | 2017-07-20 | 上海协承昌化工有限公司 | Composite floor |
| CN107057228A (en) * | 2017-05-10 | 2017-08-18 | 佛山市高明区家乐仕装饰材料有限公司 | A kind of multiple macromolecule decorative plate of heat |
| CN107177128A (en) * | 2017-06-14 | 2017-09-19 | 合肥市旺友门窗有限公司 | A kind of fire-retardant door and window plastic-steel material of impact-resistant abrasion-proof and preparation method thereof |
| CN108329622A (en) * | 2018-03-20 | 2018-07-27 | 苏州新区特氟龙塑料制品厂 | A kind of lead-free PVC plastics and preparation method thereof |
| CN112679886A (en) * | 2020-12-31 | 2021-04-20 | 青岛楠阳颇力膜工业有限公司 | Low-temperature-resistant PVC material for frozen container and preparation process thereof |
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| JP2003128862A (en) * | 2001-08-10 | 2003-05-08 | Sekisui Chem Co Ltd | Vinyl chloride-based resin composition and spiral tube |
| CN101362847A (en) * | 2008-09-26 | 2009-02-11 | 西安高科建材科技有限公司 | Organotin leadless sectional materials |
| CN103722861A (en) * | 2013-12-31 | 2014-04-16 | 山东华信塑胶股份有限公司 | Preparation method of PVC (Polyvinyl Chloride) sectional material with surface coated with metal film |
| CN104479246A (en) * | 2014-11-28 | 2015-04-01 | 安徽雄峰实业有限公司 | Formula and preparation method of novel environment-friendly sectional materials |
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2015
- 2015-10-27 CN CN201510707928.8A patent/CN105175948A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003128862A (en) * | 2001-08-10 | 2003-05-08 | Sekisui Chem Co Ltd | Vinyl chloride-based resin composition and spiral tube |
| CN101362847A (en) * | 2008-09-26 | 2009-02-11 | 西安高科建材科技有限公司 | Organotin leadless sectional materials |
| CN103722861A (en) * | 2013-12-31 | 2014-04-16 | 山东华信塑胶股份有限公司 | Preparation method of PVC (Polyvinyl Chloride) sectional material with surface coated with metal film |
| CN104479246A (en) * | 2014-11-28 | 2015-04-01 | 安徽雄峰实业有限公司 | Formula and preparation method of novel environment-friendly sectional materials |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121389A1 (en) * | 2016-01-15 | 2017-07-20 | 上海协承昌化工有限公司 | Composite floor |
| CN106977835A (en) * | 2016-01-15 | 2017-07-25 | 上海协承昌化工有限公司 | RPVC composite and its processing method |
| CN107057228A (en) * | 2017-05-10 | 2017-08-18 | 佛山市高明区家乐仕装饰材料有限公司 | A kind of multiple macromolecule decorative plate of heat |
| CN107177128A (en) * | 2017-06-14 | 2017-09-19 | 合肥市旺友门窗有限公司 | A kind of fire-retardant door and window plastic-steel material of impact-resistant abrasion-proof and preparation method thereof |
| CN108329622A (en) * | 2018-03-20 | 2018-07-27 | 苏州新区特氟龙塑料制品厂 | A kind of lead-free PVC plastics and preparation method thereof |
| CN112679886A (en) * | 2020-12-31 | 2021-04-20 | 青岛楠阳颇力膜工业有限公司 | Low-temperature-resistant PVC material for frozen container and preparation process thereof |
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Application publication date: 20151223 |