CN104356523A - Composite impact modifier and PVC-M high impact pipe prepared by using same - Google Patents
Composite impact modifier and PVC-M high impact pipe prepared by using same Download PDFInfo
- Publication number
- CN104356523A CN104356523A CN201410714091.5A CN201410714091A CN104356523A CN 104356523 A CN104356523 A CN 104356523A CN 201410714091 A CN201410714091 A CN 201410714091A CN 104356523 A CN104356523 A CN 104356523A
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- Prior art keywords
- pvc
- impact
- impact modifier
- tubing
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Classifications
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
-
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
Abstract
The invention relates to a PVC-M high impact pipe, and in particular relates to a composite impact modifier and a PVC-M high impact pipe prepared by using the same. The composite impact modifier is prepared from the following raw materials: MBS resin, chlorinated polyethylene, an acrylate processing aid and a coupling agent. The composite impact modifier has good powder fluidity and also has good compatibility with PVC. The invention also provides the PVC-M high impact pipe prepared by using the composite impact modifier. The PVC-M high impact pipe is prepared from the following raw materials: PVC, the composite impact modifier, a stabilizer, stearic acid, PE wax, oxidized polyethylene wax, titanium pigment and activated calcium carbonate; and the PVC-M high impact pipe has excellent impact resistance.
Description
Technical field
The present invention relates to a kind of PVC-M high-impact tubing, be specifically related to the PVC-M high-impact tubing of a kind of compound impact modifier and preparation thereof.
Background technology
PVC-M is under the prerequisite substantially not reducing longterm strength, and toughness reaches impacts higher than UPVC5 ~ 10 times, and notched Izod impact strength >=30Mpa (20 DEG C) is more than 3 times of UPVC.Destroy susceptibility after toughness improves to reduce, tubing is not easy injured or injured degree to be reduced greatly, diminishes like this on longterm strength impact.Thus design safety coefficient can adopt 1.6.Under above-mentioned toughness, through the coefficient of many countries checking, although ton cost PVC-M is higher than UPVC, because factor of assurance value is low, wall thickness is thinning, and thus every the price of rice lattice are not higher than UPVC.The advantage of the existing PE pipeline of such PVC-M tubing, has again UPVC installation, maintenance advantage easily.Price is not higher than UPVC tubing simultaneously, lower than every meter, PE pipeline by about 30%.Thus it has more than UPVC, PE pipeline and holds out broad prospects.
The enterprise producing PVC-M high-impact tubing is very different because the impact by factors such as starting material, equipment, techniques, and the particularly strict hydraulic test of finished product test is often difficult to break through, and becomes the technical bottleneck problem of producing PVC-M high-impact tubing.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of compound impact modifier, there is good powder fluidity, have good consistency with PVC; The PVC-M high-impact tubing that the present invention also provides a kind of compound impact modifier to prepare, has excellent erosion-resisting characteristics.
Compound impact modifier of the present invention, be made up of the raw material of following weight fraction:
MBS resin 5-10%, chlorinatedpolyethylene 85-90%, processing aids acrylic resin 2-5% and coupling agent 0.2-0.5%.
Wherein:
Cl content in chlorinatedpolyethylene is 35%.
Processing aids acrylic resin is ACR401.
Coupling agent is preferably Silane coupling agent KH550.
This resin is with MBS resin for main elastomerics, and its particle microcosmic is island structure, and MBS resin is commercially available.
All raw materials adopt the mode of physical blending to prepare by the preparation method of described compound impact modifier.
PVC-M high-impact tubing prepared by compound impact modifier of the present invention, be made up of the raw material of following parts by weight:
Wherein: PVC is preferably SG-5 type PVC.
Stablizer is preferably organotin stabilizer.
The preferred 800-1000 order of activated Calcium carbonate.
Stearic acid is as interior lubrication, and PE wax is as outer lubrication.
The present invention has prepared a kind of compound impact modifier, and uses it for preparation PVC-M high-impact tubing.Utilize this kind of compound impact modifier and coordinate reasonably formula, adopting coextrusion process to complete the extrusion moulding of PVC-M high-impact tubing, thus obtained PVC-M high-impact tubing, the PVC-M high-impact tubing prepared reaches CJ/T272 standard.
The coextrusion process adopted is this area common process.Coextrusion process forcing machine used is KMD2-60KK conical double-screw PVC dedicated extruder.
The physical performance index of the PVC-M high-impact tubing that the present invention prepares is as follows:
The mechanical performance index of the PVC-M high-impact tubing that the present invention prepares is as follows:
Product after testing, reaches performance index requirement completely, meets industry standard CJ/T272.
In sum, the present invention has the following advantages:
(1) the invention provides a kind of compound impact modifier, adopt high-impact MBS to be main elastomerics other modification agent composite, as special impact modifier resin, its design stress reaches more than Standard 16MPa; This special impact modifier resin has good powder fluidity, has good consistency with PVC, and has certain processing characteristics concurrently, can obtain satisfactory PVC high-impact tubing article.
(2) compound impact modifier provided by the invention, sanitation performance meets " Drinking Water transmission & distribution wetting system and protective material Hygienic safety evaluation specification " requirement that GB/T17219-1998 and the Ministry of Health issue.Its design ratio c and design stress MPa reaches Chinese CJ/T272 requirement.
(3) the invention provides a kind of PVC-M high-impact tubing prepared by compound impact modifier, make PVC have excellent erosion-resisting characteristics, its impact property reaches 29KJ/m
2above.This special impact modifier resin be applied in PVC-M high-impact tube extrusion moulding process, not only consider to improve shock strength, the tensile strength of tubing, and consider the compatibility problem improving materiel machining performance and material each component and PVC especially.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
In embodiment, all raw materials are commercial except specified otherwise.
Embodiment 1
A kind of compound impact modifier, adopts the mode of physical blending to make by the raw material of following weight fraction: MBS resin 5%, chlorinatedpolyethylene (cl content is 35%) 90%, processing aids acrylic resin (ACR401) 4.5% and coupling agent 0.5%.
The compound impact modifier adopting embodiment 1 to prepare mixes with other components, adopts coextrusion process to complete the extrusion moulding of PVC-M high-impact tubing, thus obtained PVC-M high-impact tubing.
PVC-M high-impact tubing is specifically made up of the raw material of following parts by weight:
PVC-M high-impact tubing embodiment 1 prepared carries out performance test:
Quantitative measurement result is as follows:
Mechanical experimental results is as follows:
Product after testing, reaches performance index requirement completely, meets industry standard CJ/T272.
The common PVC-U tubing of PVC-M high-impact tubing embodiment 1 prepared and market carries out performance test, and test result is as table 1:
The performance test results of the common PVC-U tubing of table 1 embodiment 1PVC-M high-impact tubing and market
| PVC-M | PVC-U | |
| Tube surfaces smooth finish | ★★★★★ | ★★★★ |
| Production qualification rate (% is with Gao Weijia) | ★★★★ | ★★★★ |
| The thin uniformity of tube wall thickness | ★★★★★ | ★★★★ |
| Tubing wall color uniformity | ★★★★★ | ★★★★★ |
Note: ★ ★ ★ ★ ★ is very outstanding, and ★ ★ ★ ★ is outstanding, ★ ★ ★ is good, and ★ ★ is general, and ★ is defective.
Embodiment 2
A kind of compound impact modifier, adopts the mode of physical blending to make by the raw material of following weight fraction: MBS resin 10%, chlorinatedpolyethylene (cl content is 35%) 85%, processing aids acrylic resin (ACR401) 4.8% and coupling agent 0.2%.
The compound impact modifier adopting embodiment 2 to prepare mixes with other components, adopts coextrusion process to complete the extrusion moulding of PVC-M high-impact tubing, thus obtained PVC-M high-impact tubing.
PVC-M high-impact tubing is specifically made up of the raw material of following parts by weight:
PVC-M high-impact tubing embodiment 2 prepared carries out performance test:
Quantitative measurement result is as follows:
Product after testing, reaches performance index requirement completely, meets industry standard CJ/T272.
The common PVC-U tubing of PVC-M high-impact tubing embodiment 2 prepared and market carries out performance test, and test result is as table 2:
The performance test results of the common PVC-U tubing of table 2 embodiment 1PVC-M high-impact tubing and market
| PVC-M | PVC-U | |
| Tube surfaces smooth finish | ★★★★★ | ★★★★ |
| Production qualification rate (% is with Gao Weijia) | ★★★★ | ★★★★ |
| The thin uniformity of tube wall thickness | ★★★★★ | ★★★★ |
| Tubing wall color uniformity | ★★★★★ | ★★★★★ |
Note: ★ ★ ★ ★ ★ is very outstanding, and ★ ★ ★ ★ is outstanding, ★ ★ ★ is good, and ★ ★ is general, and ★ is defective.
Embodiment 3
A kind of compound impact modifier, adopts the mode of physical blending to make by the raw material of following weight fraction: MBS resin 8%, chlorinatedpolyethylene (cl content is 35%) 89.6%, processing aids acrylic resin (ACR401) 2% and coupling agent 0.4%.
The compound impact modifier adopting embodiment 3 to prepare mixes with other components, adopts coextrusion process to complete the extrusion moulding of PVC-M high-impact tubing, thus obtained PVC-M high-impact tubing.
PVC-M high-impact tubing is specifically made up of the raw material of following parts by weight:
PVC-M high-impact tubing embodiment 3 prepared carries out performance test:
Quantitative measurement result is as follows:
Product after testing, reaches performance index requirement completely, meets industry standard CJ/T272.
The common PVC-U tubing of PVC-M high-impact tubing embodiment 3 prepared and market carries out performance test, and test result is as table 3:
The performance test results of the common PVC-U tubing of table 3 embodiment 1PVC-M high-impact tubing and market
| PVC-M | PVC-U | |
| Tube surfaces smooth finish | ★★★★★ | ★★★★ |
| Production qualification rate (% is with Gao Weijia) | ★★★★ | ★★★★ |
| The thin uniformity of tube wall thickness | ★★★★★ | ★★★★ |
| Tubing wall color uniformity | ★★★★★ | ★★★★★ |
Note: ★ ★ ★ ★ ★ is very outstanding, and ★ ★ ★ ★ is outstanding, ★ ★ ★ is good, and ★ ★ is general, and ★ is defective.
Claims (8)
1. a compound impact modifier, is characterized in that: be made up of the raw material of following weight fraction:
MBS resin 5-10%, chlorinatedpolyethylene 85-90%, processing aids acrylic resin 2-5% and coupling agent 0.2-0.5%.
2. compound impact modifier according to claim 1, is characterized in that: the cl content in chlorinatedpolyethylene is 35%.
3. compound impact modifier according to claim 1, is characterized in that: processing aids acrylic resin is ACR401.
4. compound impact modifier according to claim 1, is characterized in that: coupling agent is Silane coupling agent KH550.
5. the PVC-M high-impact tubing adopting the arbitrary described compound impact modifier of claim 1-4 to prepare, is characterized in that: be made up of the raw material of following parts by weight:
6. the PVC-M high-impact tubing prepared of compound impact modifier according to claim 5, is characterized in that: PVC is SG-5 type PVC.
7. the PVC-M high-impact tubing prepared of compound impact modifier according to claim 5, is characterized in that: stablizer is organotin stabilizer.
8. the PVC-M high-impact tubing prepared of compound impact modifier according to claim 5, is characterized in that: activated Calcium carbonate is 800-1000 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714091.5A CN104356523A (en) | 2014-11-28 | 2014-11-28 | Composite impact modifier and PVC-M high impact pipe prepared by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714091.5A CN104356523A (en) | 2014-11-28 | 2014-11-28 | Composite impact modifier and PVC-M high impact pipe prepared by using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104356523A true CN104356523A (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714091.5A Pending CN104356523A (en) | 2014-11-28 | 2014-11-28 | Composite impact modifier and PVC-M high impact pipe prepared by using same |
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| CN (1) | CN104356523A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106117868A (en) * | 2016-06-24 | 2016-11-16 | 武汉工程大学 | A kind of phosphorus mine tailing/polyvinyl chloride composite materials and preparation method thereof |
| CN109181158A (en) * | 2018-08-27 | 2019-01-11 | 四川亮力新材料科技有限公司 | A kind of macromolecule impact modifier and its preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007093565A1 (en) * | 2006-02-14 | 2007-08-23 | Arkema France | Hybrid impact modifiers and method for preparing the same |
| CN101775180A (en) * | 2009-12-29 | 2010-07-14 | 山东华信塑胶股份有限公司 | Impact-resistant modified polyvinyl chloride tube material and preparation process thereof |
| CN101781430A (en) * | 2009-01-20 | 2010-07-21 | 新疆联塑节水设备有限公司 | Improved environment-protection PVC-U high-strength tubing |
| CN102492238A (en) * | 2011-11-30 | 2012-06-13 | 山东瑞丰高分子材料股份有限公司 | Modifying agent resin for PVC (polyvinyl chloride)-M high-impact pipe as well as preparation and use methods thereof |
-
2014
- 2014-11-28 CN CN201410714091.5A patent/CN104356523A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007093565A1 (en) * | 2006-02-14 | 2007-08-23 | Arkema France | Hybrid impact modifiers and method for preparing the same |
| CN101781430A (en) * | 2009-01-20 | 2010-07-21 | 新疆联塑节水设备有限公司 | Improved environment-protection PVC-U high-strength tubing |
| CN101775180A (en) * | 2009-12-29 | 2010-07-14 | 山东华信塑胶股份有限公司 | Impact-resistant modified polyvinyl chloride tube material and preparation process thereof |
| CN102492238A (en) * | 2011-11-30 | 2012-06-13 | 山东瑞丰高分子材料股份有限公司 | Modifying agent resin for PVC (polyvinyl chloride)-M high-impact pipe as well as preparation and use methods thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106117868A (en) * | 2016-06-24 | 2016-11-16 | 武汉工程大学 | A kind of phosphorus mine tailing/polyvinyl chloride composite materials and preparation method thereof |
| CN109181158A (en) * | 2018-08-27 | 2019-01-11 | 四川亮力新材料科技有限公司 | A kind of macromolecule impact modifier and its preparation method and application |
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Application publication date: 20150218 |