CN108912538B - Weather-resistant 7000-hour lead-free polyvinyl chloride waterproof coiled material and preparation method thereof - Google Patents
Weather-resistant 7000-hour lead-free polyvinyl chloride waterproof coiled material and preparation method thereof Download PDFInfo
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- CN108912538B CN108912538B CN201810637439.3A CN201810637439A CN108912538B CN 108912538 B CN108912538 B CN 108912538B CN 201810637439 A CN201810637439 A CN 201810637439A CN 108912538 B CN108912538 B CN 108912538B
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- 239000000463 material Substances 0.000 title claims abstract description 86
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 67
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000004014 plasticizer Substances 0.000 claims abstract description 29
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 239000003381 stabilizer Substances 0.000 claims abstract description 21
- 229920001971 elastomer Polymers 0.000 claims abstract description 20
- 239000000806 elastomer Substances 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 230000032683 aging Effects 0.000 claims abstract description 14
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical compound [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 13
- 239000000049 pigment Substances 0.000 claims abstract description 13
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 13
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 11
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000002745 absorbent Effects 0.000 claims description 12
- 239000002250 absorbent Substances 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 11
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 10
- 239000012965 benzophenone Substances 0.000 claims description 10
- WNVCAMQMEDYSDX-UHFFFAOYSA-N butyl prop-2-enoate;5-phenylpenta-2,4-dienenitrile Chemical group CCCCOC(=O)C=C.N#CC=CC=CC1=CC=CC=C1 WNVCAMQMEDYSDX-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 8
- 239000012964 benzotriazole Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 238000004078 waterproofing Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- 230000032798 delamination Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract description 9
- 239000006096 absorbing agent Substances 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 8
- 238000011056 performance test Methods 0.000 description 8
- 229910052793 cadmium Inorganic materials 0.000 description 7
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 7
- 150000008360 acrylonitriles Chemical class 0.000 description 5
- 239000010426 asphalt Substances 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 4
- -1 polyethylene, propylene Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- UMKARVFXJJITLN-UHFFFAOYSA-N lead;phosphorous acid Chemical compound [Pb].OP(O)O UMKARVFXJJITLN-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- SIXWIUJQBBANGK-UHFFFAOYSA-N 4-(4-fluorophenyl)-1h-pyrazol-5-amine Chemical compound N1N=CC(C=2C=CC(F)=CC=2)=C1N SIXWIUJQBBANGK-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
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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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a weather-resistant 7000-hour lead-free polyvinyl chloride waterproof coiled material which comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride resin P1300 type, 50-70 parts of plasticizer, 2.0-3.5 parts of barium-zinc stabilizer, 0.3-1.0 part of ultraviolet absorber, 5-20 parts of calcium carbonate, 5-15 parts of titanium dioxide, 5-20 parts of high-molecular elastomer and 0.1-0.5 part of carbon black pigment. A special aging-resistant formula is used, and the xenon lamp illumination accelerated aging test is carried out for 7000 hours, so that the service life of the coiled material is ensured to be not less than 10 years; an environment-friendly barium-zinc stabilizer is used for replacing a lead salt stabilizer to produce an environment-friendly green coiled material; different ultraviolet absorbers are added after being mixed, so that ultraviolet light waves in sunlight can be better absorbed; the addition of the high molecular elastomer can improve the low-temperature resistance of the coiled material and reduce the precipitation of the plasticizer.
Description
Technical Field
The invention belongs to the technical field of high-molecular waterproof coiled materials, and particularly relates to a weather-resistant 7000-hour lead-free polyvinyl chloride waterproof coiled material and a preparation method thereof.
Background
Domestic waterproof coiled materials are divided into two types according to materials: asphalt waterproof rolls and polymer waterproof rolls. The earliest product form of the asphalt waterproof coiled material is asphalt felt; such modified products are now known as SBS modified asphalt coils. The high molecular waterproof roll includes polyethylene, propylene waterproof roll, EPDM waterproof roll, polyvinyl chloride waterproof roll, TPO waterproof roll, etc. Compared with the traditional asphalt coiled materials, the polymer coiled materials have better durability and environmental protection.
Polyvinyl chloride waterproof roll. The method meets the national standard GB12952-2011 and is divided into two types according to the purposes: exposing: directly exposed to sunlight. The method is mainly used for various roofs. Non-exposed type: not directly exposed to sunlight. For: tunnels, basements, and the like. The exposed polyvinyl chloride coiled material made by domestic manufacturers has two problems: (1) according to the national standard GB12952-2011 and the requirement of xenon lamp illumination accelerated aging, the test is carried out for 2500 hours, the domestic coiled material can pass the national standard, but the actual service life is short, and the outdoor use is less than or equal to 5 years; (2) in the domestic polyvinyl chloride coiled material, a lead-containing stabilizer is used in the formula in view of convenient production.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a lead-free polyvinyl chloride waterproof coiled material with weather resistance of 7000 hours. By using a special aging-resistant formula, the xenon lamp illumination accelerated aging test reaches 7000 hours, and the service life of the coiled material is ensured to be not less than 10 years; the environment-friendly barium-zinc stabilizer is used for replacing a lead salt stabilizer to produce the environment-friendly green coiled material.
The technical scheme adopted by the invention is as follows: the invention provides a weather-resistant 7000-hour lead-free polyvinyl chloride waterproof coiled material which comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride resin; 50-70 parts of a plasticizer; 2.0-3.5 parts of a barium-zinc stabilizer; 0.3-1.0 part of ultraviolet absorbent; 5-20 parts of calcium carbonate; 5-15 parts of titanium dioxide; 5-20 parts of a polymer elastomer; 0.1-0.5 part of carbon black pigment.
Further, the lead-free polyvinyl chloride waterproof roll resistant to weather for 7000 hours is P1300 type polyvinyl chloride resin.
Further, the plasticizer is at least one of diisooctyl phthalate, diisononyl phthalate, high molecular polyester plasticizer U690 and dioctyl adipate.
Further, the weather-resistant 7000-hour-resistant lead-free polyvinyl chloride waterproof coiled material is characterized in that the ultraviolet absorber is at least two of benzophenone BP-12, benzotriazole Chisorb 328, substituted acrylonitrile Chisorb 336 and triazine Chisorb 2164. Different ultraviolet absorbers absorb ultraviolet light waves of different wave bands, and the ultraviolet absorbers are added after being mixed, so that the ultraviolet light waves in sunlight can be better absorbed.
Further, the above described lead-free polyvinyl chloride waterproof roll resistant to weather for 7000 hours, the said high molecular elastomer is at least one of acrylonitrile-butyl acrylate copolymer, methyl methacrylate-butadiene-styrene copolymer, acrylonitrile-butadiene copolymer, butyl acrylate-styrene-acrylonitrile copolymer; the addition of the high molecular elastomer can improve the low-temperature resistance of the coiled material and reduce the precipitation of the plasticizer.
Further, the preparation method of the lead-free polyvinyl chloride waterproof roll with weather resistance of 7000 hours comprises the following steps: a. weighing the materials by an automatic weighing system; b. the raw materials are automatically added into a high-speed stirrer, the stirring temperature is set to be 80-120 ℃, and the raw materials are stirred for 5-8 minutes to be uniformly mixed; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 3-5 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized material into an open mill, and setting the temperature of the open mill to be 155-165 ℃; e. materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set to be 160-165 ℃; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set to be 160-185 ℃; g. the thickness of the coiled material is adjusted through a calender, and then the coiled material is shaped and automatically wound through a cooling wheel.
Further, the finished product of the polyvinyl chloride waterproof roll obtained by the technical scheme is subjected to performance test: (1) according to GB12952-2011, observing the performance of a finished product when the xenon lamp illumination accelerated aging test reaches 7000 hours, and ensuring that the service life of the coiled material is not less than 10 years; (2) testing the contents of harmful substances, such as lead and cadmium, in the coiled material according to GB18586-2001, wherein the harmful substances are not detected; (3) the solar reflectance of the finished product was tested according to JC/T375-.
The invention has the beneficial effects that:
(1) the finished product of the polyvinyl chloride waterproof coiled material obtained by using the special aging-resistant formula is subjected to a xenon lamp illumination accelerated aging test for 7000 hours, so that the service life of the coiled material is ensured to be not less than 10 years;
(2) an environment-friendly barium-zinc stabilizer is used for replacing a lead salt stabilizer to produce an environment-friendly green coiled material;
(3) different ultraviolet absorbers are mixed, so that ultraviolet waves in sunlight can be better absorbed, and the weather resistance is improved;
(4) the use of the polymer-based elastomer can improve the low-temperature resistance of the coil and can reduce the precipitation of the plasticizer.
Drawings
FIG. 1 (Table 1) is a table showing the results of performance tests on the polyvinyl chloride waterproofing membranes of examples 1 to 4 and comparative example 1.
Detailed Description
The invention will be further elucidated by means of several specific examples, which are intended to be illustrative only and not limiting.
Example 1:
the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride resin;
50 parts of a plasticizer;
3.0 parts of a barium-zinc stabilizer;
0.6 part of ultraviolet absorber;
10 parts of calcium carbonate;
5 parts of titanium dioxide;
10 parts of a high-molecular elastomer;
0.5 part of carbon black pigment.
The polyvinyl chloride resin is P1300 type.
The plasticizer is a high molecular polyester plasticizer U690.
The ultraviolet absorbent is benzophenone BP-12 and benzotriazole Chisorb 328, and is mixed according to the weight part ratio of 1: 1.
The high-molecular elastomer is a butyl acrylate-styrene-acrylonitrile copolymer.
The preparation method of the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following steps: a. 100 parts of polyvinyl chloride resin, 69050 parts of high-molecular plasticizer, 3.0 parts of barium-zinc stabilizer, 0.6 part of ultraviolet absorber (benzophenone BP-120.3 parts and benzotriazole Chisorb 3280.3 parts), 10 parts of calcium carbonate, 5 parts of titanium dioxide, 10 parts of high-molecular elastomer (butyl acrylate-propylene-acrylonitrile copolymer) and 0.5 part of carbon black pigment are weighed by an automatic weighing system; b. the raw materials are automatically added into a high-speed stirrer, the stirring temperature is set to be 90-110 ℃, and the raw materials are stirred for 5 minutes to be uniformly mixed; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 4 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized materials into an open mill, and setting the temperature of the open mill to be 165 ℃; e. materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set to be 165 ℃; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set to be 160-185 ℃; g. the thickness of the coiled material is adjusted through a calender, and then the coiled material is shaped and automatically wound through a cooling wheel.
The thickness of the obtained polyvinyl chloride waterproof coiled material finished product is 1.2mm, and the performance test is carried out on the polyvinyl chloride waterproof coiled material: (1) according to GB12952-2011, when the xenon lamp illumination accelerated aging test reaches 7000 hours, the fog on the surface of a finished product is observed, other obvious changes do not exist, and the service life of the coiled material is ensured to be not less than 10 years; (2) testing the contents of harmful substances, such as lead and cadmium, in the coiled material according to GB18586-2001, wherein the harmful substances are not detected; (3) the solar reflectance of the finished product was 0.78 according to JC/T375 and 2012.
Example 2:
the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride resin;
60 parts of a plasticizer;
2.5 parts of a barium-zinc stabilizer;
0.6 part of ultraviolet absorber;
10 parts of calcium carbonate;
10 parts of titanium dioxide;
15 parts of a high-molecular elastomer;
0.1 part of carbon black pigment.
The polyvinyl chloride resin is P1300 type.
The plasticizer is a high molecular polyester plasticizer U690.
The ultraviolet absorbent is benzophenone BP-12 and benzotriazole Chisorb 328, and is mixed according to the weight part ratio of 1: 1.
The high-molecular elastomer is a butyl acrylate-styrene-acrylonitrile copolymer.
The preparation method of the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following steps: a. 100 parts of polyvinyl chloride resin, 69060 parts of high-molecular plasticizer, 2.5 parts of barium-zinc stabilizer, 0.6 part of ultraviolet absorber (benzophenone BP-120.3 parts and benzotriazole Chisorb 3280.3 parts), 10 parts of calcium carbonate, 10 parts of titanium dioxide, 15 parts of high-molecular elastomer (butyl acrylate-styrene-acrylonitrile copolymer) and 0.1 part of carbon black pigment are weighed by an automatic weighing system; b. the raw materials are automatically added into a high-speed stirrer, the stirring temperature is set to be 90-110 ℃, and the raw materials are stirred for 5 minutes to be uniformly mixed; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 3 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized materials into an open mill, and setting the temperature of the open mill to be 160 ℃; e. materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set to be 163 ℃; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set to be 160-185 ℃; g. the thickness of the coiled material is adjusted through a calender, and then the coiled material is shaped and automatically wound through a cooling wheel.
The thickness of the obtained polyvinyl chloride waterproof coiled material finished product is 1.2mm, and the performance test is carried out on the polyvinyl chloride waterproof coiled material: (1) according to GB12952-2011, when the xenon lamp illumination accelerated aging test reaches 7000 hours, the fog on the surface of a finished product is observed, other obvious changes do not exist, and the service life of the coiled material is ensured to be not less than 10 years; (2) testing the contents of harmful substances, such as lead and cadmium, in the coiled material according to GB18586-2001, wherein the harmful substances are not detected; (3) the solar reflectance of the finished product was 0.83 according to JC/T375 and 2012.
Example 3:
the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride resin;
70 parts of a plasticizer;
3.5 parts of a barium-zinc stabilizer;
0.9 part of ultraviolet absorber;
5 parts of calcium carbonate;
15 parts of titanium dioxide;
20 parts of a high polymer elastomer;
0.2 part of carbon black pigment.
The polyvinyl chloride resin is P1300 type.
The plasticizer is a high molecular polyester plasticizer U690.
The ultraviolet absorbent is benzophenone BP-12, benzotriazole Chisorb 328 and substituted acrylonitrile Chisorb 336 which are mixed according to the weight ratio of 1:1: 1.
The high molecular elastomer is butyl acrylate-styrene-acrylonitrile copolymer and acrylonitrile-butyl acrylate copolymer.
The preparation method of the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following steps: a. 100 parts of polyvinyl chloride resin, 2.0 parts of a high-molecular plasticizer U69070, 2.9 parts of a barium-zinc stabilizer, 0.9 part of an ultraviolet absorbent (benzophenone BP-120.3 parts, benzotriazole Chisorb 3280.3 parts, substituted acrylonitrile Chisorb 3360.3 parts), 5 parts of calcium carbonate, 15 parts of titanium dioxide, 20 parts of a high-molecular elastomer (10 parts of butyl acrylate-styrene-acrylonitrile copolymer and 10 parts of acrylonitrile-butyl acrylate copolymer) and 0.2 part of a carbon black pigment are weighed by an automatic weighing system; b. the raw materials are automatically added into a high-speed stirrer, the stirring temperature is set to be 90-110 ℃, and the raw materials are stirred for 5 minutes to be uniformly mixed; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 5 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized materials into an open mill, and setting the temperature of the open mill to be 155 ℃; e. materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set to be 160 ℃; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set to be 160-185 ℃; g. the thickness of the coiled material is adjusted through a calender, and then the coiled material is shaped and automatically wound through a cooling wheel.
The thickness of the obtained polyvinyl chloride waterproof coiled material finished product is 1.2mm, and the performance test is carried out on the polyvinyl chloride waterproof coiled material: (1) according to GB12952-2011, when the xenon lamp illumination accelerated aging test reaches 7000 hours, the fog on the surface of a finished product is observed, other obvious changes do not exist, and the service life of the coiled material is ensured to be not less than 10 years; (2) testing the contents of harmful substances, such as lead and cadmium, in the coiled material according to GB18586-2001, wherein the harmful substances are not detected; (3) the solar reflectance of the finished product was 0.80 according to JC/T375 and 2012.
Example 4:
the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride resin;
60 parts of a plasticizer;
2.5 parts of a barium-zinc stabilizer;
0.6 part of ultraviolet absorber;
20 parts of calcium carbonate;
10 parts of titanium dioxide;
20 parts of a high polymer elastomer;
0.2 part of carbon black pigment.
The polyvinyl chloride resin is P1300 type.
The plasticizer is a high molecular polyester plasticizer U690.
The ultraviolet absorbent is benzophenone BP-12 and substituted acrylonitrile Chisorb 336 which are mixed according to the weight part ratio of 1: 1.
The high molecular elastomer is a mixture of butyl acrylate-styrene-acrylonitrile copolymer and acrylonitrile-butyl acrylate copolymer.
The preparation method of the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following steps: a. weighing 100 parts of polyvinyl chloride resin, 69070 parts of high-molecular plasticizer, 2 parts of barium-zinc stabilizer, 0.6 part of ultraviolet absorbent (benzophenone BP-120.3 parts and substituted acrylonitrile Chisorb 3360.3 parts), 20 parts of calcium carbonate, 10 parts of titanium dioxide, 20 parts of high-molecular elastomer (butyl acrylate-styrene-acrylonitrile copolymer 10 parts and acrylonitrile-butyl acrylate copolymer 10 parts) and 0.2 part of carbon black pigment by an automatic weighing system; b. the raw materials are automatically added into a high-speed stirrer, the stirring temperature is set to be 90-110 ℃, and the raw materials are stirred for 5 minutes to be uniformly mixed; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 5 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized materials into an open mill, and setting the temperature of the open mill to be 160 ℃; e. materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set to be 160 ℃; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set to be 160-185 ℃; g. the thickness of the coiled material is adjusted through a calender, and then the coiled material is shaped and automatically wound through a cooling wheel.
The thickness of the obtained polyvinyl chloride waterproof coiled material finished product is 1.2mm, and the performance test is carried out on the polyvinyl chloride waterproof coiled material: (1) according to GB12952-2011, when the xenon lamp illumination accelerated aging test reaches 7000 hours, the fog on the surface of a finished product is observed, other obvious changes do not exist, and the service life of the coiled material is ensured to be not less than 10 years; (2) testing the contents of harmful substances, such as lead and cadmium, in the coiled material according to GB18586-2001, wherein the harmful substances are not detected; (3) the solar reflectance of the finished product was 0.80 according to JC/T375 and 2012.
Comparative example 1:
a common polyvinyl chloride waterproof coiled material comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride resin;
60 parts of a plasticizer;
3.5 parts of a stabilizer;
0.6 part of ultraviolet absorber;
20 parts of calcium carbonate;
5 parts of titanium dioxide;
0.5 part of lubricant stearic acid;
0.2 part of lubricant polyethylene wax;
0.8 part of carbon black pigment.
The polyvinyl chloride resin is P1300 type.
The stabilizer is dibasic lead phosphite.
The plasticizer is diisononyl phthalate.
The ultraviolet absorbent is an ultraviolet absorbent UV-531.
The lubricant is stearic acid and polyethylene wax.
The preparation method of the common polyvinyl chloride waterproof roll comprises the following steps: a. weighing 100 parts of polyvinyl chloride resin, 60 parts of plasticizer diisononyl phthalate, 3 parts of stabilizer dibasic lead phosphite, 3 parts of ultraviolet absorbent UV-5310.6 parts, 20 parts of calcium carbonate, 5 parts of titanium dioxide, 0.5 part of lubricant (stearic acid, 0.2 part of polyethylene wax) and 0.8 part of carbon black pigment by an automatic weighing system; b. the raw materials are automatically added into a high-speed stirrer, the stirring temperature is set to be 90-110 ℃, and the raw materials are stirred for 5 minutes to be uniformly mixed; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 5 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized materials into an open mill, and setting the temperature of the open mill to be 160 ℃; e. materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set to be 160 ℃; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set to be 160-185 ℃; g. the thickness of the coiled material is adjusted through a calender, and then the coiled material is shaped and automatically wound through a cooling wheel.
The thickness of the obtained polyvinyl chloride waterproof coiled material finished product is 1.2mm, and the performance test is carried out on the polyvinyl chloride waterproof coiled material: (1) according to GB12952-2011, the xenon lamp illumination accelerated aging test is carried out for 2500 hours; (2) testing the contents of harmful substances such as lead and cadmium in the coiled material according to GB18586-2001, wherein the lead content is 13000ppm, and the cadmium content is 5 ppm; (3) the solar reflectance of the finished product is less than or equal to 0.7 according to JC/T375 and 2012.
The results of the performance test on the polyvinyl chloride waterproofing sheets of examples 1 to 4 and comparative example 1 are shown in the attached table 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (5)
1. The utility model provides a resistant lead-free polyvinyl chloride waterproofing membrane of 7000 hours which characterized in that: the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following raw materials in parts by weight:
100 parts of polyvinyl chloride resin;
50-70 parts of a plasticizer;
2.0-3.5 parts of a barium-zinc stabilizer;
0.3-1.0 part of ultraviolet absorbent;
5-20 parts of calcium carbonate;
5-15 parts of titanium dioxide;
5-20 parts of a polymer elastomer;
0.1-0.5 part of carbon black pigment;
the polyvinyl chloride resin is P1300 type;
the plasticizer is a high molecular polyester plasticizer U690;
the ultraviolet absorbent is benzophenone BP-12 and benzotriazole Chisorb 328, and is mixed according to the weight part ratio of 1: 1;
the high molecular elastomer is a butyl acrylate-styrene-acrylonitrile copolymer;
the preparation method of the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof roll comprises the following steps: a. weighing the materials by an automatic weighing system; b. automatically adding the raw materials into a high-speed stirrer, setting the stirring temperature, and stirring for 5-8 minutes to uniformly mix the raw materials; c. opening a discharge port of the high-speed stirrer, automatically adding the mixture into an internal mixer, and carrying out internal mixing and plasticizing for 3-5 minutes; d. opening a discharge port of the internal mixer, automatically feeding the plasticized materials into an open mill, and setting the temperature of the open mill; e. the materials accumulated in the open mill are conveyed into a filter through a conveyer belt, and the temperature of the filter is set; f. the material coming out of the filter is conveyed to the top of a calender through a conveyer belt, and the temperature of the calender is set; g. adjusting the thickness of the coiled material through a calender, then shaping the coiled material through a cooling wheel, and automatically winding;
the weather-resistant 7000-hour lead-free polyvinyl chloride waterproof coiled material has the following properties after 7000 hours of xenon lamp illumination accelerated aging test: the surface has no bubbles, cracks, delamination, bonding and cavities, and can resist the low temperature of minus 30 ℃; the solar light reflectance ratio of the lead-free polyvinyl chloride waterproof coiled material with weather resistance of 7000 hours is 0.83.
2. The weather resistant 7000 hour lead-free polyvinyl chloride waterproofing membrane of claim 1, characterized in that: and c, setting the stirring temperature in the step b to be 80-120 ℃.
3. The weather resistant 7000 hour lead-free polyvinyl chloride waterproofing membrane of claim 1, characterized in that: and d, setting the temperature of the open mill in the step d to be 155-165 ℃.
4. The weather resistant 7000 hour lead-free polyvinyl chloride waterproofing membrane of claim 1, characterized in that: and e, setting the temperature of the filter in the step e to be 160-165 ℃.
5. The weather resistant 7000 hour lead-free polyvinyl chloride waterproofing membrane of claim 1, characterized in that: and f, setting the temperature of the calender in the step f to be 160-185 ℃.
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| CN111171492A (en) * | 2020-01-16 | 2020-05-19 | 江苏凯伦建材股份有限公司 | PVC waterproof coiled material |
| CN111440393B (en) * | 2020-04-10 | 2022-03-29 | 江苏雨中情防水材料有限责任公司 | High-durability root-resistant PVC waterproof roll |
| CN112759889A (en) * | 2021-01-22 | 2021-05-07 | 王聪 | Modified waterproof coiled material and preparation method thereof |
| CN116041872B (en) * | 2021-10-28 | 2024-02-13 | 中国石油化工股份有限公司 | Migration-precipitation-resistant and aging-resistant PVC cable material composition |
| CN115124798A (en) * | 2022-08-31 | 2022-09-30 | 德州科顺建筑材料有限公司 | PVC waterproof coiled material and preparation method thereof |
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