CN108822436A - A kind of Double-wall PVC bellows and preparation method thereof - Google Patents
A kind of Double-wall PVC bellows and preparation method thereof Download PDFInfo
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- CN108822436A CN108822436A CN201810688836.3A CN201810688836A CN108822436A CN 108822436 A CN108822436 A CN 108822436A CN 201810688836 A CN201810688836 A CN 201810688836A CN 108822436 A CN108822436 A CN 108822436A
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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
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- 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
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The present invention proposes a kind of Double-wall PVC bellows, is made of the composition of following mass ratio, PVE-SG resin：82-88 parts, gelation modifying agent：2.5-3.5 parts, CPE resin：2.5-4.5 part, anti-impact modifier：6.5-9.5 part, poising agent：4-5 parts, two stupid ketone class ultraviolet absorbing agents：0.6-1.2 parts, Paris white：5.5-8.5 parts, stable composition lubricant：4-8 parts, stearic acid：6.5-10.5 part, polyethylene wax：1.5-3.5 part；The present invention is using the butyl acrylate polymer being crosslinked as core, using the methacrylate polymer good with PVC compatibility as shell, core is soft shape elastomer, assign product shock resistance, it can promote the interaction between modifying agent dispersion in a polymer matrix and reinforced modifier and matrix resin simultaneously, cooperation Paris white and reasonable preparation process can effectively improve the rigidity and shock resistance and ductile strength, bending strength of Double-wall PVC bellows, the advantages of Double-wall PVC bellows has long service life simultaneously, is suitable for various extreme environments.
Description
Technical field
The present invention relates to bellows fields more particularly to a kind of Double-wall PVC bellows and preparation method thereof.
Background technique
As China is for the pay attention to day by day of environmental protection, governments at all levels of both the central and local governments put into effect it is a series of it is water-saving,
The policies and regulations of pollution treatment protection environment.Water supply, water-saving, draining and waste water control will become the emphasis of urban municipal construction from now on,
This provides market development space for the popularization and application of heavy-caliber plastic pipe, and wherein Double-wall PVC bellows is being to use in the market
It is relatively broad；Double-wall PVC bellows is the unique structure using hard polyvinyl chloride as primary raw material, and intensity is high, inner wall smooth, friction
Resistance is small, and circulation is big, light-weight, and carrying and installation is convenient, quick construction, but existing bellows is generally existing just in the market
The disadvantages of degree is insufficient, shock resistance is poor, ductile strength bending strength difference and service life is short, therefore, the present invention provides one
Kind Double-wall PVC bellows and preparation method thereof is to solve the deficiencies in the prior art.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of polyhexamethylene guanide/biguanide hydrochloride hand cleanser and preparation method thereof,
Polyhexamethylene guanide/biguanide hydrochloride is added in the configuration solution of the hand cleanser, the guanidine radicals in the substance has very high activity,
Be dissolved in after water into electropositive, the anion Electrostatic Absorption of cation and microbial cell surface in molecule, block cell it is molten
Bacterium enzyme effect makes cell surface structural degeneration or destruction, thus can largely inhibit bacterial reproduction and kill bacterium, and
To skin and eyes without any stimulation, no sensitization, so having the hand cleanser safety of polyhexamethylene guanide/biguanide hydrochloride
Higher, property is more stable.
The present invention proposes a kind of Double-wall PVC bellows, is made of the composition of following mass ratio, PVE-SG resin：82-88
Part, gelation modifying agent：2.5-3.5 parts, CPE resin：2.5-4.5 part, anti-impact modifier：6.5-9.5 part, poising agent：4-5
Part, two stupid ketone class ultraviolet absorbing agents：0.6-1.2 parts, Paris white：5.5-8.5 parts, stable composition lubricant：4-8 parts,
Stearic acid：6.5-10.5 part, polyethylene wax：1.5-3.5 part.
Further improvement lies in that：A kind of Double-wall PVC bellows, is made of, PVE-SG tree the composition of following mass ratio
Rouge：85 parts, gelation modifying agent：3 parts, CPE resin：3.5 parts, anti-impact modifier：8.5 parts, poising agent：4.5 parts, two stupid first
Ketone ultraviolet absorbing agent：0.9 part, Paris white：6 parts, stable composition lubricant：6 parts, stearic acid：8.5 parts, polyethylene wax：
2.5 part.
Further improvement lies in that：The PVE-SG resin uses polymer P VE-SG3 type resin, polymer P VE-SG4 type
Any one in resin and polymer P VE-SG5 type resin.
Further improvement lies in that：The anti-impact modifier is any in haloflex or methacrylate polymer
It is a kind of.
Further improvement lies in that：The Paris white is calcene, any one in active powdered whiting
Kind.
Further improvement lies in that：The stable composition lubricant is complex lead salt stabilizer, the complex lead salt stabilizer
Middle oxidation lead content is 30-40%.
Applied to a kind of above-mentioned preparation method of Double-wall PVC bellows, it is characterised in that：Include the following steps：
Step 1：PVE-SG resin and gelation modifying agent are added in kneader, mixing 10- is mediated under room temperature
15min while then kneader stirs again, is warming up to 100-110 DEG C, keeps 5min, and finally cooling obtains modified PVE-
SG resin；
Step 2：Respectively by weighed CPE resin, anti-impact modifier, poising agent, two stupid ketone class ultraviolet radiation absorptions
Agent, Paris white, stable composition lubricant, stearic acid and polyethylene wax are added in the kneader of step 1, while stirring
Temperature is added to 100-120 DEG C, the high temperature feedstock mixed is delivered to low temperature low speed mixer after being stirred 5-10 minutes
In be stirred, finally cool down when temperature is down to 35-45 DEG C stop stirring, obtain mixed material；
Step 3：Mixed material in step 2 is delivered in extrusion equipment through melting, compression, homogenizing, it is fixed by vacuum
Sizing, the cooling of type cooler progress tubing；
Step 4：The tubing being formed in step 3 is cut according to demand, obtains product.
Further improvement lies in that：It is 12min that PVE-SG resin mediates incorporation time at normal temperature in the step 1.
Further improvement lies in that：Mixed material stops stirring when temperature is down to 40 DEG C after the cooling period in the step 2.
Further improvement lies in that：Melting temperature is set as 195-210 DEG C, pressure 20-28MPa, homogenizing in the step 3
200-210 DEG C of temperature.
Beneficial effects of the present invention：
The present invention is using the butyl acrylate polymer being crosslinked as core, with the methacrylate polymer good with PVC compatibility
For shell, core is soft shape elastomer, assigns product shock resistance, the shell being enclosed in outside core glass transition temperature with higher
Degree mainly makes the fine particle mutually isolated between modifying agent particle, formation can flow freely, and improves operability, simultaneously
It can promote the interaction between modifying agent dispersion in a polymer matrix and reinforced modifier and matrix resin, cooperate calcium carbonate
Powder and reasonable preparation process can effectively improve the rigidity of Double-wall PVC bellows and shock resistance and ductile strength, curved
Qu Qiangdu, while the Double-wall PVC bellows has long service life, the advantages of being suitable for various extreme environments.
Specific embodiment
In order to realize invention technological means, reach purpose and effect is easy to understand, below with reference to specific implementation
Mode, the present invention is further explained.
Embodiment one
A kind of Double-wall PVC bellows, it is characterised in that：It is made of the composition of following mass ratio, PVE-SG resin：82 parts,
Gelation modifying agent：3.5 parts, CPE resin：2.5 parts, anti-impact modifier：9.5 parts, poising agent：4 parts, two stupid ketone classes it is ultraviolet
Light absorbers：1.2 parts, Paris white：5.5 parts, stable composition lubricant：8 parts, stearic acid：6.5 parts, polyethylene wax：3.5 part.
Step 1：PVE-SG4 resin and gelation modifying agent are added in kneader, mixing is mediated under room temperature
12min while then kneader stirs again, is warming up to 100 DEG C, keeps 5min, and finally cooling obtains modified PVE-SG tree
Rouge；
Step 2：Respectively by weighed CPE resin, anti-impact modifier, poising agent, two stupid ketone class ultraviolet radiation absorptions
Agent, Paris white, stable composition lubricant, stearic acid and polyethylene wax are added in the kneader of step 1, while stirring
Temperature is added to 110 DEG C, is delivered to stir in low temperature low speed mixer by the high temperature feedstock mixed after being stirred 8 minutes and mix
It closes, finally cools down and stop stirring when temperature is down to 40 DEG C, obtain mixed material；
Step 3：Mixed material in step 2 is delivered in extrusion equipment through melting, compression, homogenizing, it is fixed by vacuum
Type cooler carries out sizing, the cooling of tubing, and melting temperature is set as 200 DEG C, pressure 25MPa, 205 DEG C of homogenization temperature；
Step 4：The tubing being formed in step 3 is cut according to demand, obtains product.
Embodiment two
A kind of Double-wall PVC bellows, is made of the composition of following mass ratio, PVE-SG resin：85 parts, gelation modification
Agent：3 parts, CPE resin：3.5 parts, anti-impact modifier：7.5 parts, poising agent：4.5 parts, two stupid ketone class ultraviolet absorbing agents：
0.8 part, Paris white：6.5 parts, stable composition lubricant：6 parts, stearic acid：7.5 parts, polyethylene wax：2.5 part.
Step 1：PVE-SG resin and gelation modifying agent are added in kneader, mixing is mediated under room temperature
12min while then kneader stirs again, is warming up to 100 DEG C, keeps 5min, and finally cooling obtains modified PVE-SG tree
Rouge；
Step 2：Respectively by weighed CPE resin, anti-impact modifier, poising agent, two stupid ketone class ultraviolet radiation absorptions
Agent, Paris white, stable composition lubricant, stearic acid and polyethylene wax are added in the kneader of step 1, while stirring
Temperature is added to 110 DEG C, is delivered to stir in low temperature low speed mixer by the high temperature feedstock mixed after being stirred 8 minutes and mix
It closes, finally cools down and stop stirring when temperature is down to 40 DEG C, obtain mixed material；
Step 3：Mixed material in step 2 is delivered in extrusion equipment through melting, compression, homogenizing, it is fixed by vacuum
Type cooler carries out sizing, the cooling of tubing, and melting temperature is set as 200 DEG C, pressure 25MPa, 205 DEG C of homogenization temperature；
Step 4：The tubing being formed in step 3 is cut according to demand, obtains product.
Embodiment three
A kind of Double-wall PVC bellows, is made of the composition of following mass ratio, PVE-SG resin：88 parts, gelation modification
Agent：2.5 parts, CPE resin：4.5 parts, anti-impact modifier：6.5 parts, poising agent：5 parts, two stupid ketone class ultraviolet absorbing agents：
0.6 part, Paris white：8.5 parts, stable composition lubricant：4 parts, stearic acid：10.5 parts, polyethylene wax：1.5 part.
Step 1：PVE-SG resin and gelation modifying agent are added in kneader, mixing is mediated under room temperature
12min while then kneader stirs again, is warming up to 100 DEG C, keeps 5min, and finally cooling obtains modified PVE-SG tree
Rouge；
Step 2：Respectively by weighed CPE resin, anti-impact modifier, poising agent, two stupid ketone class ultraviolet radiation absorptions
Agent, Paris white, stable composition lubricant, stearic acid and polyethylene wax are added in the kneader of step 1, while stirring
Temperature is added to 110 DEG C, is delivered to stir in low temperature low speed mixer by the high temperature feedstock mixed after being stirred 8 minutes and mix
It closes, finally cools down and stop stirring when temperature is down to 40 DEG C, obtain mixed material；
Step 3：Mixed material in step 2 is delivered in extrusion equipment through melting, compression, homogenizing, it is fixed by vacuum
Type cooler carries out sizing, the cooling of tubing, and melting temperature is set as 200 DEG C, pressure 25MPa, 205 DEG C of homogenization temperature；
Step 4：The tubing being formed in step 3 is cut according to demand, obtains product.
It compares and obtains according to above embodiments one, embodiment two and embodiment three, in the present invention, by following quality
The composition of ratio forms, PVE-SG resin：82-88 parts, gelation modifying agent：2.5-3.5 parts, CPE resin：2.5-4.5 part, anti-impact
Hit modifying agent：6.5-9.5 part, poising agent：4-5 parts, two stupid ketone class ultraviolet absorbing agents：0.6-1.2 parts, Paris white：
5.5-8.5 parts, stable composition lubricant：4-8 parts, stearic acid：6.5-10.5 part, polyethylene wax：1.5-3.5 parts when, PVC is bis-
Rigidity and shock resistance and ductile strength, the bending strength highest of wall bellows, service life longest.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. a kind of Double-wall PVC bellows, it is characterised in that：It is made of the composition of following mass ratio, PVE-SG resin：82-88 parts,
Gelation modifying agent：2.5-3.5 parts, CPE resin：2.5-4.5 part, anti-impact modifier：6.5-9.5 part, poising agent：4-5 parts,
Two stupid ketone class ultraviolet absorbing agents：0.6-1.2 parts, Paris white：5.5-8.5 parts, stable composition lubricant：4-8 parts, tristearin
Acid：6.5-10.5 part, polyethylene wax：1.5-3.5 part.
2. a kind of Double-wall PVC bellows according to claim 1, it is characterised in that：It is made of the composition of following mass ratio,
PVE-SG resin：85 parts, gelation modifying agent：3 parts, CPE resin：3.5 parts, anti-impact modifier：8.5 part, poising agent：4.5
Part, two stupid ketone class ultraviolet absorbing agents：0.9 part, Paris white：6 parts, stable composition lubricant：6 parts, stearic acid：8.5 parts,
Polyethylene wax：2.5 part.
3. a kind of Double-wall PVC bellows according to claim 1, it is characterised in that：The PVE-SG resin is using polymerization
Any one in object PVE-SG3 type resin, polymer P VE-SG4 type resin and polymer P VE-SG5 type resin.
4. a kind of Double-wall PVC bellows according to claim 1, it is characterised in that：The anti-impact modifier is chlorination
Any one in polyethylene or methacrylate polymer.
5. a kind of Double-wall PVC bellows according to claim 1, it is characterised in that：The Paris white is active light
Any one in calcium carbonate, active powdered whiting.
6. a kind of Double-wall PVC bellows according to claim 1, it is characterised in that：The stable composition lubricant is multiple
Lead salt stabilizer is closed, oxidation lead content is 30-40% in the complex lead salt stabilizer.
7. being applied to a kind of above-mentioned preparation method of Double-wall PVC bellows, it is characterised in that：Include the following steps：
Step 1：PVE-SG resin and gelation modifying agent are added in kneader, mixing 10- is mediated under room temperature
15min while then kneader stirs again, is warming up to 100-110 DEG C, keeps 5min, and finally cooling obtains modified PVE-
SG resin；
Step 2：Respectively by weighed CPE resin, anti-impact modifier, poising agent, two stupid ketone class ultraviolet absorbing agents,
Paris white, stable composition lubricant, stearic acid and polyethylene wax are added in the kneader of step 1, while stirring will be warm
Degree adds to 100-120 DEG C, and the high temperature feedstock mixed is delivered in low temperature low speed mixer after being stirred 5-10 minutes and is stirred
Mixing is mixed, finally cools down and stops stirring when temperature is down to 35-45 DEG C, obtain mixed material；
Step 3：Mixed material in step 2 is delivered in extrusion equipment through melting, compression, homogenizing, it is cold by Vacuum shaping
But machine carries out sizing, the cooling of tubing；
Step 4：The tubing being formed in step 3 is cut according to demand, obtains product.
8. a kind of preparation method of Double-wall PVC bellows according to claim 7, it is characterised in that：In the step 1
It is 12min that PVE-SG resin mediates incorporation time at normal temperature.
9. a kind of preparation method of Double-wall PVC bellows according to claim 7, it is characterised in that：In the step 2
Mixed material stops stirring when temperature is down to 40 DEG C after the cooling period.
10. a kind of preparation method of Double-wall PVC bellows according to claim 7, it is characterised in that：In the step 3
Melting temperature is set as 195-210 DEG C, pressure 20-28MPa, 200-210 DEG C of homogenization temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688836.3A CN108822436A (en) | 2018-06-28 | 2018-06-28 | A kind of Double-wall PVC bellows and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688836.3A CN108822436A (en) | 2018-06-28 | 2018-06-28 | A kind of Double-wall PVC bellows and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111073170A (en) * | 2019-11-20 | 2020-04-28 | 广东联塑科技实业有限公司 | Environment-friendly high-performance PVC (polyvinyl chloride) water supply pipe and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106432951A (en) * | 2016-09-12 | 2017-02-22 | 上海公元建材发展有限公司 | High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof |
| CN106751261A (en) * | 2016-11-30 | 2017-05-31 | 安吉兴华电力管道股份有限公司 | A kind of composite strengthening CM double-wall corrugated pipes and its preparation technology |
-
2018
- 2018-06-28 CN CN201810688836.3A patent/CN108822436A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106432951A (en) * | 2016-09-12 | 2017-02-22 | 上海公元建材发展有限公司 | High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof |
| CN106751261A (en) * | 2016-11-30 | 2017-05-31 | 安吉兴华电力管道股份有限公司 | A kind of composite strengthening CM double-wall corrugated pipes and its preparation technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111073170A (en) * | 2019-11-20 | 2020-04-28 | 广东联塑科技实业有限公司 | Environment-friendly high-performance PVC (polyvinyl chloride) water supply pipe and preparation method thereof |
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