CN104479260A - PVC sectional material adopting organic tin stabilizer and preparation method of PVC sectional material - Google Patents
PVC sectional material adopting organic tin stabilizer and preparation method of PVC sectional material Download PDFInfo
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- CN104479260A CN104479260A CN201510030258.0A CN201510030258A CN104479260A CN 104479260 A CN104479260 A CN 104479260A CN 201510030258 A CN201510030258 A CN 201510030258A CN 104479260 A CN104479260 A CN 104479260A
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- pvc
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- organotin stabilizer
- sectional material
- pvc profile
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a PVC sectional material adopting an organic tin stabilizer and a preparation method of the PVC sectional material. The PVC sectional material comprises, by weight, 100 parts of polyvinyl chloride, 0.8 part to 1.5 parts of the environment-friendly organic tin stabilizer, 5 parts to 12 parts of titanium dioxide, 5 parts to 10 parts of an impact modifier, 0.5 part to 2 parts of a processing agent, 5 parts to 12 parts of a filling agent, 1.3 parts to 4.5 parts of a lubrication conditioning agent and 0 to 0.1 part of a color matching agent. Compared with the prior art, the processing behavior is equivalent to a compound salt lead stabilizer formula or a high-performance calcium zinc stabilizer formula, no large-amplitude technological adjustment is needed, and the production stability is good; a current equipment mold can be directly used, no extra modification is needed, and the using cost is greatly reduced; heavy metals such as Ba, Cd and Pb are not contained in the PVC sectional material, so that the PCV sectional material is free of toxin and environmentally friendly; the PVC sectional material is applicable to high-speed extrusion.
Description
Technical field
The invention belongs to PVC profile field, be specifically related to a kind of PVC profile using organotin stabilizer and preparation method thereof.
Background technology
The auxiliary agent that thermo-stabilizer must add as the PVC course of processing; along with the development of PVC product; progressively develop into compound lead stabilizer by initial monomer cadmium, lead stabilizer etc., then to calcium zinc, barium zinc, organotin stabilizer, progressively move towards environmental protection, greenization.
The current PVC product processing of China still uses lead salt stabilizer in a large number, formula system design and equipment mould type selecting are all to use based on lead salt stabilizer, before the administrative decree plumbous without mandatory taboo, large-scale promotion application resistance is larger, major cause is as follows: on the one hand compared with traditional lead salt stabilizer, the thermostability of general calcium zinc stabilizer is difficult to reach respective horizontal, the more difficult adjustment of lubricating system, raw material choose and System Design slightly can not cause that the continuous seepage cycle of operation is short, production stability is poor at once, and application cost is obviously higher; On the other hand due to the substance characteristics of organotin stabilizer itself, existing to use the equipment mould of type selecting premised on lead salt stabilizer formula to be difficult to switch reposefully smoothly use organotin stabilizer.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of PVC profile using organotin stabilizer and preparation method thereof, smoothly for the existing equipment mould being applicable to lead salt stabilizer formula or calcium zinc stabilizer formula, significantly can reduce environmental protection organotin formula system and promote the use of cost and the particular requirement to production equipment mould thereof.
A kind of PVC profile using organotin stabilizer provided by the invention, comprises the raw material of following weight part:
The described PVC polymerization degree is 1000, the SG-5 type PVC that can obtain for ethylene process or calcium carbide route.
Described organotin stabilizer is thiol methyl tin or thiol-butyl tin.
Described titanium dioxide is rutile-type.
Described impact modifier is anti-impact ACR properties-correcting agent.
Described processing aid is acrylic polymer.
Described weighting agent is light active calcium carbonate.
Described toning agent be pure aluminium silicate containing sulfur compound.
Described lubrication conditioning agent is several in oxidized polyethlene wax, polyethylene wax, high melting point polyethylene wax, stearic acid, calcium stearate.
A kind of preparation method using the PVC profile of organotin stabilizer provided by the invention, comprises the following steps:
(1) the mixed motor of heat, is opened, rotating speed is set to 100rpm and carries out PVC blanking, organotin stabilizer is added at 1# scale feed opening after complete under PVC, and keep the rotating speed mixing 1-2min of 100rpm, auxiliary material needed for all the other is added in order after completing, mixing by normal batch mixing degree is drained in cold mixing machine to 120 DEG C of blankings, and cold mixing enters storage, homogenizing to 45 DEG C after roots blower and reciprocating sieve remove foreign matter;
(2), PVC dry blend prepared by step (1) is added twin screw extruder hopper, utilize screw rod rotary presser mode, continuously the molding materials plastified is got into extrusion die from the machine barrel of forcing machine, melting material is shaped to the continuum similar with Oral incision by machine head port mould, is pulled out continuously by moulded products with towing mechanism from mould, carries out cooling and shaping simultaneously, overlay film, cutting, through packing after the assay was approved, warehouse-in.
It is low that described oxidized polyethlene wax (OPE) has viscosity, softening temperature is high, the properties such as hardness is good, nontoxicity, Heat stability is good, high-temperature volatile is low, to filler, the dispersiveness of pigment is splendid, existing extremely excellent external lubricity, there is again stronger internal lubrication effect, also there is coupled action, the production efficiency of plastic working can be improved, reduce production cost, good consistency is had with polyolefin resin etc., anti humility performance is at normal temperatures good, chemical-resistant resistance ability is strong, electrical property is excellent, finished appearance can be improved, playing outer cunning is in the present invention that main having concurrently in part slides regulating effect.
Described calcium stearate: (C
17h
35cOO)
2ca, outward appearance is even trickle white powder, has water-absorbent, nontoxic, plays middle and later periods thermally-stabilised and interior lubrication regulating effect in the present invention.
Described stearic acid: octadecanoic acid, chemical structural formula is CH
3(CH
2)
16cOOH, outward appearance is the wax-like small pieces xln of white slightly gloss, and stearic acid is widely used in the manufacture of PVC plastic pipe, sheet material, section bar, film.Be PVC heat stabilizer, there is good oilness and good light, heat stabilization.
Described polyethylene wax or high melting point polyethylene wax, outward appearance is white powder material, efficient external lubricant is used in a kind of PVC processing being, the oilness of effective Reinforced PVC melt and metallic walls, improve circulation and the release property of plastic working, promote product surface gloss, play outer sliding regulating effect in the present invention.
Compared with prior art to process behavior and existing complex lead salt stabilizer formula or high performance calcium zinc stabilizer formula suitable in the present invention, existing equipment mould directly can be used without the need to carrying out significantly technique adjustment, without the need to carrying out additional transformation, significantly reduce use cost; And production stability is excellent; Not containing heavy metals such as Ba, Cd and Pb in its composition, asepsis environment-protecting; Be applicable to high speed extrusion, solve the problems such as organotin formula for a long time steadily cannot use smoothly on production complex lead salt formula system equipment mould and technique adjustment amplitude is large, production stability is poor, application cost is high.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
Titanium dioxide model of the present invention is rutile-type, is produced by titanium white Science and Technology Ltd. of Du Pont.
Anti-impact ACR properties-correcting agent model of the present invention is KM355P, is produced by the Dow Chemical Company.
Toning agent model of the present invention is 463 type ultramarines, is produced or auxiliary agent manufacturer production of the same type by Renhe, Shandong Trade Co., Ltd..
Organotin stabilizer of the present invention, is produced by Yunnan Xi Ye limited-liability company and Beijing Pi Musi Chemical Co., Ltd. respectively.
Calcium stearate of the present invention is produced by Nanjing, Nanjing Chemical Co., Ltd..
Oxidized polyethlene wax of the present invention is produced by Shanghai Hua Yi company limited.
Polyethylene wax of the present invention is produced by Qingdao Sai Nuo Chemical Co., Ltd..
Stearic acid of the present invention is produced by natural You Zhi Chemical Co., Ltd. of Malaysia.
High melting point polyethylene wax of the present invention is produced by Hong Kong Ke Ningyou ester Chemical Co., Ltd..
Bending elastic modulus of the present invention detects according to GB/T9341-2000 standard, and unit is MPa
Tensile yield strength detects according to GB/T13525-1992 standard, and unit is KJ/m2
Tensile yield strength detects according to GB/T1040-2006 standard, and unit is MPa
Elongation at break detects according to GB/T1040-2006 standard, and unit is %
Vicat softening temperature detects according to GB/T1633-2000 standard, and unit is DEG C.
Falling ball impact test at low temperature and principal mode material weldability list method by GB/T8814-2004 standard and detect.
Bending elastic modulus: be under the environment of 23 ± 2 DEG C in temperature, be placed on the fixture of almighty test machine by section bar print, then applies certain external force by probe and makes it move down with constant speed, and when the deformation of print reaches 4mm, experiment stops.The numeral that computer shows is bending elastic modulus.Numeral is larger, shows that the rigidity of this section bar is better.
Tensile yield strength: be under the environment of 23 ± 2 DEG C in temperature, be fixed on by section bar print on the fixture of tension impact instrument, allows pendulum fall, until numeral when print is thrust, Apparatus for Impacting at low-temp shown with constant energy.Numeral is larger, shows that the non-notch toughness of this section bar is better.
Tensile yield strength: be under the environment of 23 ± 2 DEG C in temperature, section bar print is placed on the fixture of almighty test machine, the major axis of sample is overlapped with the direction of pull by clamp central line.Applying certain external force makes it test with constant trial speed, until sample fracture, the numeral that computer shows is tensile yield strength, and numeral is larger, shows that the tensile property of this section bar is better.
Elongation at break: the same tensile yield strength of detection method, just divide in the deformation rate of breaking point and be called elongation at break, numeral is larger, shows that the toughness of this section bar is better.
Vicat softening temperature: test according to B50 method in the regulation of GB/T1633-2000.The statical load G=50N that sample bears ± 1N, reading numerical values.
Falling ball impact test at low temperature: sample to be placed under-10 ± 2 DEG C of conditions after 1h, be under the testing circumstance of 23 ± 2 DEG C in temperature, the impact visible surface of test sample is upwards put on a support, central position in 10s between impact specimen two brace rod, record section bar visible surface produce break, the sample number of crackle or separation.
Test two ends are placed on movable supporting seat by weldability: be under the experimental situation of 23 ± 2 DEG C in temperature, and corner welding or T connector apply pressure, until fracture, and record numerical value.
" part " in the present embodiment refers to " weight part ".
Embodiment 1
Use a PVC profile for organotin stabilizer, comprise the raw material of following weight part:
PVC100 part, titanium dioxide 8 parts, light calcium carbonate 10 parts, anti-impact ACR properties-correcting agent 7 parts, ACR processing aid acrylic polymer 1 part, thiol methyl tin stablizer 1.2 parts, calcium stearate 1.4 parts, stearic acid 0.25 part, oxidized polyethlene wax 0.25 part, polyethylene wax 0.9 part, 0.005 part, ultramarine.
Use a preparation method for the PVC profile of organotin stabilizer, comprise the following steps:
(1) the mixed motor of heat, is opened; rotating speed is set to 100rpm and carries out PVC blanking; organotin stabilizer is added at 1# scale feed opening after complete under PVC; and keep the rotating speed mixing 1-2min of 100rpm; auxiliary material needed for all the other is added in order after completing; mixing by normal batch mixing degree is drained in cold mixing machine to 120 DEG C of blankings, and cold mixing enters storage, homogenizing to 45 DEG C after roots blower and reciprocating sieve remove foreign matter.
(2), PVC dry blend prepared by step (1) is added twin screw extruder hopper, utilize screw rod rotary presser mode, continuously the molding materials plastified is got into extrusion die from the machine barrel of forcing machine, melting material is shaped to the continuum similar with Oral incision by machine head port mould, is pulled out continuously by moulded products with towing mechanism from mould, carries out cooling and shaping simultaneously, overlay film, cutting, through packing after the assay was approved, warehouse-in.
Embodiment 2
Use a PVC profile for organotin stabilizer, comprise the raw material of following weight part:
PVC100 part, titanium dioxide 8 parts, light calcium carbonate 10 parts, anti-impact ACR properties-correcting agent 7 parts, ACR processing aid 1 part, thiol-butyl tin stablizer 1.2 parts, calcium stearate 1.2 parts, oxidized polyethlene wax 0.2 part, polyethylene wax 0.5 part, 0.3 part, high melting point polyethylene wax, 0.005 part, ultramarine.
Use a preparation method for the PVC profile of organotin stabilizer, with embodiment 1.
Produce expressing technique in table 1:
Table 1
| Expressing technique | Embodiment 1 | Embodiment 2 | Complex lead salt |
| Extruder temperature (DEG C) | 136 | 140 | 136 |
| Cylinder district's temperature (DEG C) | 185 | 183 | 182 |
| Mould district temperature (DEG C) | 195 | 195 | 190 |
| Screw speed (rpm) | 16.9 | 16.5 | 17.2 |
| Feeding (l/rpm) | 40.2 | 36.7 | 39.4 |
| Traction (m/min) | 2.58 | 2.44 | 2.47 |
| Load (%) | 55 | 56 | 54 |
| Molten temperature (DEG C) | 195 | 196 | 199 |
| Fusion pressure (bar) | 168 | 173 | 190 |
| Back pressure (KN) | 141 | 144 | 152 |
As shown in table 1, embodiment 1,2 production technique and online complex lead salt formula are substantially suitable, without the need to significantly adjusting, and production run process stabilization.
The technical indicator of embodiment 1,2 and existing PVC profile of producing with complex lead salt formula is as shown in table 2:
Table 2
As shown in table 2: standard is GB/T8814-2004 " door, window not plasticized polyvinyl chloride (PVC-U) section bar " specified standards.Embodiment 1,2 all can realize the present invention, and compared with the complex lead salt stabilizer used online, property indices is substantially suitable.
Claims (10)
1. use a PVC profile for organotin stabilizer, it is characterized in that, comprise the raw material of following weight part:
2. the PVC profile of use organotin stabilizer according to claim 1, is characterized in that, the described PVC polymerization degree is 1000.
3. the PVC profile of use organotin stabilizer according to claim 2, is characterized in that, described organotin stabilizer is thiol methyl tin or thiol-butyl tin.
4. the PVC profile of use organotin stabilizer according to claim 3, is characterized in that, described titanium dioxide is rutile-type.
5. the PVC profile of use organotin stabilizer according to claim 1, is characterized in that, described impact modifier is anti-impact ACR properties-correcting agent.
6. the PVC profile of use organotin stabilizer according to claim 1, is characterized in that, described processing aid is acrylic polymer.
7. the PVC profile of use organotin stabilizer according to claim 1, is characterized in that, described weighting agent is light active calcium carbonate.
8. the PVC profile of use organotin stabilizer according to claim 1, is characterized in that, described toning agent be pure aluminium silicate containing sulfur compound.
9. the PVC profile of use organotin stabilizer according to claim 1, is characterized in that, described lubrication conditioning agent is several in oxidized polyethlene wax, polyethylene wax, high melting point polyethylene wax, stearic acid, calcium stearate.
10. a preparation method for the PVC profile of use organotin stabilizer according to claim 1, comprises the following steps:
(1) the mixed motor of heat, is opened, rotating speed is set to 100rpm and carries out PVC blanking, organotin stabilizer is added at 1# scale feed opening after complete under PVC, and keep the rotating speed mixing 1-2min of 100rpm, auxiliary material needed for all the other is added in order after completing, mixing by normal batch mixing degree is drained in cold mixing machine to 120 DEG C of blankings, and cold mixing enters storage, homogenizing to 45 DEG C after roots blower and reciprocating sieve remove foreign matter;
(2), PVC dry blend prepared by step (1) is added twin screw extruder hopper, utilize screw rod rotary presser mode, continuously the molding materials plastified is got into extrusion die from the machine barrel of forcing machine, melting material is shaped to the continuum similar with Oral incision by machine head port mould, is pulled out continuously by moulded products with towing mechanism from mould, carries out cooling and shaping simultaneously, overlay film, cutting, through packing after the assay was approved, warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030258.0A CN104479260A (en) | 2015-01-21 | 2015-01-21 | PVC sectional material adopting organic tin stabilizer and preparation method of PVC sectional material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030258.0A CN104479260A (en) | 2015-01-21 | 2015-01-21 | PVC sectional material adopting organic tin stabilizer and preparation method of PVC sectional material |
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519492A (en) * | 2016-10-27 | 2017-03-22 | 苏州富通高新材料科技股份有限公司 | Nano PVC (Polyvinyl Chloride) and preparation method thereof |
| CN108948427A (en) * | 2018-08-08 | 2018-12-07 | 广州湘环新材料有限公司 | A kind of PVC heat-resistant stable agent and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012327A (en) * | 2006-12-05 | 2007-08-08 | 阜新新美装饰材料有限公司 | Material for antibiotic door and window |
| CN101362847A (en) * | 2008-09-26 | 2009-02-11 | 西安高科建材科技有限公司 | Organotin leadless sectional materials |
| CN101429316A (en) * | 2007-11-09 | 2009-05-13 | 天津德昊超微新材料有限公司 | Material special for PVC/super powder composite valve and preparation thereof |
-
2015
- 2015-01-21 CN CN201510030258.0A patent/CN104479260A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012327A (en) * | 2006-12-05 | 2007-08-08 | 阜新新美装饰材料有限公司 | Material for antibiotic door and window |
| CN101429316A (en) * | 2007-11-09 | 2009-05-13 | 天津德昊超微新材料有限公司 | Material special for PVC/super powder composite valve and preparation thereof |
| CN101362847A (en) * | 2008-09-26 | 2009-02-11 | 西安高科建材科技有限公司 | Organotin leadless sectional materials |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519492A (en) * | 2016-10-27 | 2017-03-22 | 苏州富通高新材料科技股份有限公司 | Nano PVC (Polyvinyl Chloride) and preparation method thereof |
| CN108948427A (en) * | 2018-08-08 | 2018-12-07 | 广州湘环新材料有限公司 | A kind of PVC heat-resistant stable agent and preparation method thereof |
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Application publication date: 20150401 |