CN107325435A - High-temperature resistant plastic pipes and preparation method thereof - Google Patents
High-temperature resistant plastic pipes and preparation method thereof Download PDFInfo
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- CN107325435A CN107325435A CN201710493343.XA CN201710493343A CN107325435A CN 107325435 A CN107325435 A CN 107325435A CN 201710493343 A CN201710493343 A CN 201710493343A CN 107325435 A CN107325435 A CN 107325435A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of high-temperature resistant plastic pipes and preparation method thereof, the high-temperature resistant plastic pipes are prepared from by the raw material of following weight parts：80 90 parts of Corvic, 20 30 parts of acrylic resin, 12 parts of three isooctyl acrylate of phosphorous acid, 5 10 parts of calcium carbonate, 13 parts of stearmide, 13 parts of Methyl stannum mercaptide, 13 parts of inorganic combustion inhibitor, 0.01 0.1 parts of antiaging agent.The high-temperature resistant plastic pipes that the present invention is provided, construction technology is simple, with low cost, with excellent mechanical performance, anti-flammability and antibiotic property, while anti-aging, high temperature resistant, performance are stable, has a wide range of application.
Description
Technical field
The present invention relates to plastic pipe field, more particularly to a kind of high-temperature resistant plastic pipes and preparation method thereof.
Background technology
Plastic tube is usually to be raw material, added stabilizer, lubricant, plasticizer etc. with synthetic resin, that is, polyester, with
The method of " modeling " is formed in tuber through extrusion process.Plastic pipe has light weight, intensity height, manufacture method is simple, pass through
Ji is with low cost, the advantages of process easy to use, corrosion-resistant, long lifespan, gradually the tubing such as substituted metal, cement, as city
The main application tubing in the fields such as construction, Rural Water net laying are set, electrical communications.
As an important component in new chemical materialses field, modified plastics tubing.Research and development turn into emphasis
One of sciemtifec and technical sphere of development has light weight, corrosion-resistant, good appearance, without bad smell, handling ease, easy construction due to it
The features such as, increasingly it is widely applied.It is mainly used as the tap water supply system pipe arrangement of building construction, draining, exhaust
Matched penetration pipe etc. is installed with blowdown sanitary pipe, subsoil drain system, rain pipe and electric wire.Plastic tube species is very
It is many, it is divided into thermoplastic pipes and the major class of thermosetting plastics pipe two.Belonging to thermoplastic has polyvinyl chloride pipe, and polyethylene pipe gathers
Acrylic tubing, polyformaldehyde pipe etc.；Belonging to heat cured has phenola plastics pipe etc..The major advantage of plastic tube is that corrosion resisting property is good, quality
Gently, convenient formation, handling ease, have the disadvantage that intensity is relatively low, poor heat resistance.
However, when above-mentioned plastic tube applies to the communications industry, often due to non-refractory, ageing resistace difference and draw
Play potential safety hazard.Therefore, it is badly in need of a kind of plastic pipe of function admirable of exploitation to solve the above problems.
The content of the invention
For above shortcomings in the prior art, one of technical problems to be solved by the invention are to provide a kind of resistance to
High temperature plastics tubing.
The two of the technical problems to be solved by the invention are to provide a kind of preparation method of high-temperature resistant plastic pipes.
The present invention seeks to what is be achieved through the following technical solutions：
A kind of high-temperature resistant plastic pipes, are prepared from by the raw material of following weight parts：80-90 parts of Corvic, third
20-30 parts of olefin(e) acid resin, 1-2 parts of three isooctyl acrylate of phosphorous acid, 5-10 parts of calcium carbonate, 1-3 parts of stearmide, Methyl stannum mercaptide 1-
3 parts, 1-3 parts of inorganic combustion inhibitor, 0.01-0.1 parts of antiaging agent.
Preferably, described inorganic combustion inhibitor is mixture one or more in sodium antimonate, Firebrake ZB, zinc molybdate.
It is highly preferred that described inorganic combustion inhibitor is mixed by sodium antimonate, Firebrake ZB, zinc molybdate, the sodium antimonate, boron
Sour zinc, the mass ratio of zinc molybdate are (1-3)：(1-3)：(1-3).
Preferably, described antiaging agent is 2,6- di-t-butyls to (dimethyl aminomethyl) phenol, double (1, the 1- diformazans of 2,4-
Ethyl) -5- methylphenols, mixture one or more in the double dodecane esters of thio-2 acid.
It is highly preferred that described antiaging agent by 2,6- di-t-butyls to (dimethyl aminomethyl) phenol, 2,4- double (1,1- bis-
First and second bases) -5- methylphenols, the double dodecane esters of thio-2 acid mix, and 2, the 6- di-t-butyls are to (diformazan ammonia first
Base) phenol, double (1,1- the dimethylethyls) -5- methylphenols of 2,4-, the mass ratioes of the double dodecane esters of thio-2 acid are (1-3)：
(1-3)：(1-3).
Present invention also offers the preparation method of above-mentioned high-temperature resistant plastic pipes, comprise the following steps：
(1) Corvic, acrylic resin are put into mixer, 2- is stirred under 600-700 revs/min of rotating speed
4 hours, rotating speed was then reduced to 65-75 revs/min, the isooctyl acrylate of phosphorous acid three, calcium carbonate, stearmide, methyl sulphur is added
Alcohol tin, inorganic combustion inhibitor, antiaging agent, are stirred 10-20 minutes with 65-75 revs/min, improve rotating speed to 600-700 revs/min, after
Continuous stirring 1.5-2.5 hours, obtains compound；
(2) compound is placed in double screw extruder and extruded, produce high-temperature resistant plastic pipes.
The high-temperature resistant plastic pipes that the present invention is provided, construction technology is simple, with low cost, with excellent mechanical performance,
Anti-flammability and antibiotic property, while anti-aging, high temperature resistant, performance are stable, have a wide range of application.
Embodiment
Each raw material introduction in embodiment：
Corvic, the model SG5 provided using Guangxi Zhe Chuan Chemical Co., Ltd.s Corvic.
Acrylic resin, No. CAS：9003-01-4, the model provided using Shenzhen Jin Fengyuan high polymer materials Co., Ltd
For RS-68P thermoplastic acrylic resin.
The isooctyl acrylate of phosphorous acid three, No. CAS：25103-12-2.
Stearmide, No. CAS：124-26-5.
Calcium carbonate, No. CAS：471-34-1, the model SP200's provided using Shanghai edge titanizing chemical product Co., Ltd
Nanometer grade calcium carbonate, the mesh of granularity 1800.
Methyl stannum mercaptide, No. CAS：1208990-22-0.
Sodium antimonate, No. CAS：15432-85-6.
Firebrake ZB, No. CAS：1332-07-6.
Zinc molybdate, No. CAS：13767-32-3.
2,6- di-t-butyls are to (dimethyl aminomethyl) phenol, No. CAS：88-27-7.
2,4- double (1,1- dimethylethyl) -5- methylphenols, CAS 497-39-2.
The double dodecane esters of thio-2 acid, No. CAS：123-28-4.
Embodiment 1
High-temperature resistant plastic pipes raw material (parts by weight)：85 parts of Corvic, 25 parts of acrylic resin, phosphorous acid three are different
1.5 parts of octyl group ester, 8 parts of calcium carbonate, 1.5 parts of stearmide, 1.5 parts of Methyl stannum mercaptide, 1.5 parts of inorganic combustion inhibitor, antiaging agent
0.03 part.
Described inorganic combustion inhibitor is 1 in mass ratio by sodium antimonate, Firebrake ZB, zinc molybdate：1：1 is uniformly mixed
Arrive.
Described antiaging agent by 2,6- di-t-butyls to (dimethyl aminomethyl) phenol, 2,4- double (1,1- dimethylethyls)-
The double dodecane esters of 5- methylphenols, thio-2 acid are 1 in mass ratio：1：1 is uniformly mixed and obtains.
The preparation of high-temperature resistant plastic pipes：
(1) Corvic, acrylic resin are put into mixer, 3h is stirred under 600 revs/min of rotating speed, so
Reduction rotating speed adds the isooctyl acrylate of phosphorous acid three, calcium carbonate, stearmide, Methyl stannum mercaptide, inorganic resistance to 70 revs/min afterwards
Agent, antiaging agent are fired, is stirred 15 minutes with 70 revs/min, rotating speed is improved to 600 revs/min, continues to stir 2 hours, is mixed
Material；
(2) compound is placed in double screw extruder and extruded, wherein temperature control parameter is 160 DEG C of section of feed,
165 DEG C of compression section, 190 DEG C of head temperature, 190 DEG C of die temperature.Obtain the high-temperature resistant plastic pipes of embodiment 1.
Embodiment 2
It is substantially the same manner as Example 1, differ only in：Described inorganic combustion inhibitor by Firebrake ZB, zinc molybdate in mass ratio
For 1：1 is uniformly mixed and obtains.Obtain the high-temperature resistant plastic pipes of embodiment 2.
Embodiment 3
It is substantially the same manner as Example 1, differ only in：Described inorganic combustion inhibitor by sodium antimonate, zinc molybdate in mass ratio
For 1：1 is uniformly mixed and obtains.Obtain the high-temperature resistant plastic pipes of embodiment 3.
Embodiment 4
It is substantially the same manner as Example 1, differ only in：Described inorganic combustion inhibitor by sodium antimonate, Firebrake ZB in mass ratio
For 1：1 is uniformly mixed and obtains.Obtain the high-temperature resistant plastic pipes of embodiment 4.
Embodiment 5
It is substantially the same manner as Example 1, differ only in：Described antiaging agent is by double (1,1- the dimethylethyls) -5- of 2,4-
The double dodecane esters of methylphenol, thio-2 acid are 1 in mass ratio：1 is uniformly mixed and obtains.Obtain the resistance to height of embodiment 5
Warm plastic pipe.
Embodiment 6
It is substantially the same manner as Example 1, differ only in：Described antiaging agent is by 2,6- di-t-butyls to (diformazan ammonia first
Base) phenol, the double dodecane esters of thio-2 acid are 1 in mass ratio：1 is uniformly mixed and obtains.Obtain the high temperature resistant of embodiment 6
Plastic pipe.
Embodiment 7
It is substantially the same manner as Example 1, differ only in：Described antiaging agent is by 2,6- di-t-butyls to (diformazan ammonia first
Base) phenol, double (1,1- the dimethylethyls) -5- methylphenols of 2,4- are 1 in mass ratio：1 is uniformly mixed and obtains.Implemented
The high-temperature resistant plastic pipes of example 7.
Test case 1
The anti-microbial property of the embodiment 1-7 high-temperature resistant plastic pipes prepared is tested.
Antibacterial test standard：QB/T2591-2003 antibiotic plastic Anti-microbial Performance Tests methods and antibacterial effect.
Bacterium is used in detection：Escherichia coli ATCC8099；Staphylococcus aureus ATCC6538.
Specific test result is shown in Table 1.
Table 1：The anti-microbial property test table of high-temperature resistant plastic pipes
| Escherichia coli sterilizing rate, % | Golden yellow staphylococcus sterilizing rate % | |
| Embodiment 1 | 99.9 | 99.9 |
| Embodiment 2 | 94.5 | 93.7 |
| Embodiment 3 | 92.8 | 91.8 |
| Embodiment 4 | 93.1 | 92.4 |
| Embodiment 5 | 91.5 | 90.5 |
| Embodiment 6 | 92.3 | 91.3 |
| Embodiment 7 | 89.6 | 89.1 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (sodium antimonate, Firebrake ZB, zinc molybdate compounding) anti-microbial property is obvious
Better than embodiment 2-4 (the two any compounding in sodium antimonate, Firebrake ZB, zinc molybdate).
Comparing embodiment 1 and embodiment 5-7, (2,6- di-t-butyls are double to (dimethyl aminomethyl) phenol, 2,4- for embodiment 1
The double dodecane esters compoundings of (1,1- dimethylethyls) -5- methylphenols, thio-2 acid) anti-microbial property is substantially better than embodiment 5-7
(2,6- di-t-butyls are double to (dimethyl aminomethyl) phenol, double (1,1- the dimethylethyls) -5- methylphenols of 2,4-, thio-2 acid
The two any compounding in dodecane ester).
Test case 2
Heat endurance to the embodiment 1-7 high-temperature resistant plastic pipes prepared is tested, using differential thermal analysis,
Using accelerated ageing of the plastic pipe sample in 210 DEG C of high-temperature oxygen, with oxidation induction period OTT (min) for index.Specifically
Test result is shown in Table 2.
Table 2：High-temperature resistant plastic pipes heat stability testing tables of data
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (sodium antimonate, Firebrake ZB, zinc molybdate compounding) thermal stability is bright
It is aobvious to be better than embodiment 2-4 (the two any compounding in sodium antimonate, Firebrake ZB, zinc molybdate).
Comparing embodiment 1 and embodiment 5-7, (2,6- di-t-butyls are double to (dimethyl aminomethyl) phenol, 2,4- for embodiment 1
The double dodecane esters compoundings of (1,1- dimethylethyls) -5- methylphenols, thio-2 acid) heat endurance is substantially better than embodiment 5-7
(2,6- di-t-butyls are double to (dimethyl aminomethyl) phenol, double (1,1- the dimethylethyls) -5- methylphenols of 2,4-, thio-2 acid
The two any compounding in dodecane ester).
Test case 3
The flame retardant effect of the embodiment 1-7 high-temperature resistant plastic pipes prepared is tested.According to GB/T2406.1-
The oxygen index (OI) of 2008 standard testing high-temperature resistant plastic pipes.Specific test result is shown in Table 3.
Table 3：High-temperature resistant plastic pipes oxygen index (OI) test data table
| Oxygen index (OI) | |
| Embodiment 1 | 41.5 |
| Embodiment 2 | 32.8 |
| Embodiment 3 | 36.5 |
| Embodiment 4 | 37.6 |
| Embodiment 5 | 34.2 |
| Embodiment 6 | 37.6 |
| Embodiment 7 | 35.4 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (sodium antimonate, Firebrake ZB, zinc molybdate compounding) fire resistance is obvious
Better than embodiment 2-4 (the two any compounding in sodium antimonate, Firebrake ZB, zinc molybdate).Comparing embodiment 1 and embodiment 5-7, implements
(2,6- di-t-butyls are to (dimethyl aminomethyl) phenol, 2,4- double (1,1- dimethylethyls) -5- methylphenols, thio-2 acids for example 1
Double dodecane esters compounding) fire resistance is substantially better than embodiment 5-7 (2,6- di-t-butyls is to (dimethyl aminomethyl) phenol, 2,4-
The two any compounding in the double dodecane esters of double (1,1- dimethylethyls) -5- methylphenols, thio-2 acid).
Test case 4
Shock resistance, heat resistance to the high-temperature resistant plastic pipes prepared by embodiment 1 are tested.Shock resistance
Tested according to GB/T15142-2001, heat resistance tests the vicat softening temperature of plastic tube according to GB/T8802-2001.
Impact strength：54KJ/m2；
Vicat softening temperature：135℃.
Claims (6)
1. a kind of high-temperature resistant plastic pipes, it is characterised in that be prepared from by the raw material of following weight parts：Corvic
80-90 parts, 20-30 parts of acrylic resin, 1-2 parts of three isooctyl acrylate of phosphorous acid, 5-10 parts of calcium carbonate, 1-3 parts of stearmide, first
1-3 parts of base tin mercaptides, 1-3 parts of inorganic combustion inhibitor, 0.01-0.1 parts of antiaging agent.
2. high-temperature resistant plastic pipes as claimed in claim 1, it is characterised in that described inorganic combustion inhibitor is by sodium antimonate, boron
One or more mixtures in sour zinc, zinc molybdate.
3. high-temperature resistant plastic pipes as claimed in claim 2, it is characterised in that described inorganic combustion inhibitor is by sodium antimonate, boron
Sour zinc, zinc molybdate are mixed, and the sodium antimonate, Firebrake ZB, the mass ratio of zinc molybdate are (1-3)：(1-3)：(1-3).
4. the high-temperature resistant plastic pipes as described in claim any one of 1-3, it is characterised in that described antiaging agent is by 2,6-
Di-t-butyl is to (dimethyl aminomethyl) phenol, double (1,1- the dimethylethyls) -5- methylphenols of 2,4-, the double dodecanes of thio-2 acid
One or more mixtures in ester.
5. high-temperature resistant plastic pipes as claimed in claim 4, it is characterised in that described antiaging agent is by 2,6- di-t-butyls
To (dimethyl aminomethyl) phenol, double (1,1- the dimethylethyls) -5- methylphenols of 2,4-, the double dodecane esters mixing of thio-2 acid and
Into 2, the 6- di-t-butyls are to (dimethyl aminomethyl) phenol, 2,4- double (1,1- dimethylethyl) -5- methylphenols, thio two
The mass ratio of the double dodecane esters of propionic acid is (1-3)：(1-3)：(1-3).
6. the preparation method of the high-temperature resistant plastic pipes as described in claim 1 or 3 or 5, it is characterised in that including following step
Suddenly：
(1) Corvic, acrylic resin are put into mixer, 2-4 is stirred under 600-700 revs/min of rotating speed small
When, rotating speed is then reduced to 65-75 revs/min, adds the isooctyl acrylate of phosphorous acid three, calcium carbonate, stearmide, methyl mercaptan
Tin, inorganic combustion inhibitor, antiaging agent, are stirred 10-20 minutes with 65-75 revs/min, are improved rotating speed to 600-700 revs/min, are continued
Stirring 1.5-2.5 hours, obtains compound；
(2) compound is placed in double screw extruder and extruded, produce high-temperature resistant plastic pipes.
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| CN109054219A (en) * | 2018-06-12 | 2018-12-21 | 台州学院 | A kind of antibacterial heat resistant and wear resistant plastic tube |
| CN117551324A (en) * | 2023-12-30 | 2024-02-13 | 东莞市振中塑胶有限公司 | High-temperature-resistant low-temperature-resistant antibacterial PVC material and preparation method thereof |
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Application publication date: 20171107 |