CN110539534A - Root-puncture-resistant PVC waterproof coiled material and preparation method thereof - Google Patents
Root-puncture-resistant PVC waterproof coiled material and preparation method thereof Download PDFInfo
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- B32B15/00—Layered products comprising a layer of metal
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B32B2307/5825—Tear resistant
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Abstract
The invention provides a root-puncture-resistant PVC waterproof coiled material which comprises PVC resin, epoxidized soybean oil, isocyanate, plasticized starch, a tackifier, silicone rubber, perfluoropolyether oil, a thickening agent, methyl vinyl silicone rubber, halloysite powder, zinc chloride, a Ciba photoinitiator, polyether polyol, a light shielding agent, surface active phospholipid, linear polyethylene, a silane coupling agent and butyl isostearate; the preparation method comprises mixing for 50min at 185 deg.C and 0.8 MPa; after mixing uniformly, reducing the temperature to 50 ℃, and carrying out ultrasonic-microwave treatment for 20 min; the root-resistant PVC waterproof coiled material disclosed by the invention has excellent mildew corrosion resistance and ageing resistance, and through a mildew corrosion resistance test, the mildew-proof grade is 0 grade, the tensile force retention rate is 92.5-96.8%, the root-resistant PVC waterproof coiled material has excellent puncture resistance, and the root-resistant time is as long as 16.8-22.1 years.
Description
Technical Field
the invention belongs to the technical field of waterproof materials, relates to a root puncture resistant PVC waterproof coiled material, and particularly relates to a root puncture resistant PVC waterproof coiled material and a preparation method thereof.
background
the waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
the PVC waterproof roll is a high-molecular waterproof material with excellent performance, and is prepared by taking polyvinyl chloride resin as a main raw material, adding various special auxiliaries and anti-aging components and adopting advanced equipment and advanced technology for production. The polyvinyl chloride waterproof coiled material has the characteristics of high tensile strength, high elongation, small shrinkage, good low-temperature flexibility, long service life and the like, and has stable product performance, reliable quality and convenient construction.
the existing root puncture resistant PVC waterproof roll also has the following defects: (1) the mould corrosion resistance and the ageing resistance can not be improved at the same time; (2) the root resistance time is short, and is generally 3-5 years; (3) the ultraviolet resistance is weak, and the aging is easy; (4) the waterproof sealing performance is poor; (5) low temperature brittleness.
In view of the above situation, the inventor of the present invention has conducted long-term research and summary on the preparation method of the PVC waterproof roll in many years of practice, and preferably selects a root-puncture-resistant PVC waterproof roll and a preparation method thereof.
disclosure of Invention
the invention provides a root-resistant PVC waterproof coiled material and a preparation method thereof, which aim to realize the following purposes:
(1) The root-puncture-resistant PVC waterproof coiled material has excellent mildew corrosion resistance and ageing resistance;
(2) the root-resistant PVC waterproof coiled material has excellent puncture resistance, and the root resistance time is as long as 16.8-22.1 years;
(3) The root-puncture-resistant PVC waterproof coiled material has strong ultraviolet resistance, is not easy to age and has long service life;
(4) the root-resistant PVC waterproof coiled material has low temperature resistance and flame retardance, has low-temperature flexibility of no fracture at minus 45 ℃, and can effectively prevent fire from spreading;
(5) The root-resistant PVC waterproof coiled material has excellent waterproof performance.
In order to solve the technical problems, the following technical scheme is adopted:
the utility model provides a root resistance PVC waterproofing membrane, a serial communication port, root resistance PVC waterproofing membrane, including silicone oil paper rete, PVC hinder root layer and compound copper child base, wherein, PVC hinder root layer, include: PVC resin, epoxidized soybean oil, acrylic acid, triglycidyl isocyanurate, Ciba photoinitiator, isocyanate, plasticized starch, tackifier, silicone rubber, perfluoropolyether oil, surface active phospholipid, thickener, methyl vinyl silicone rubber, terpene resin, polyisobutylene, plasticizer, halloysite powder, zinc chloride, colorant, polyether polyol, light shielding agent, linear polyethylene, butyl isostearate, and silane coupling agent.
as a preferable technical scheme of the invention, the PVC root-resistant layer comprises the following components in parts by weight: root resistance PVC waterproofing membrane includes: 65-120 parts of PVC resin, 25-35 parts of epoxidized soybean oil, 2-8 parts of acrylic acid, 8-20 parts of triglycidyl isocyanurate, 6-15 parts of Ciba photoinitiator, 6-20 parts of isocyanate, 20-30 parts of plasticized starch, 2-25 parts of tackifier, 12-30 parts of silicone rubber, 5-25 parts of perfluoropolyether oil, 1-15 parts of surface active phospholipid and 15-25 parts of thickener, 14-30 parts of methyl vinyl silicone rubber, 12-20 parts of terpene resin, 15-25 parts of polyisobutylene, 10-25 parts of plasticizer, 6-15 parts of halloysite powder, 2-10 parts of zinc chloride, 5-15 parts of colorant, 12-20 parts of polyether polyol, 5-15 parts of light shielding agent, 10-20 parts of linear polyethylene, 5-18 parts of butyl isostearate and 3-15 parts of silane coupling agent.
As a preferable technical scheme of the invention, the PVC root-resistant layer comprises the following components in parts by weight: 100 parts of PVC resin, 30 parts of epoxidized soybean oil, 6 parts of acrylic acid, 12 parts of triglycidyl isocyanurate, 11 parts of Ciba photoinitiator, 10 parts of isocyanate, 26 parts of plasticized starch, 15 parts of tackifier, 16 parts of silicone rubber, 15 parts of perfluoropolyether oil, 8 parts of surface active phospholipid, 19 parts of thickener, 22 parts of methyl vinyl silicone rubber, 16 parts of terpene resin, 23 parts of polyisobutylene, 21 parts of plasticizer, 12 parts of halloysite powder, 6 parts of zinc chloride, 11 parts of colorant, 16 parts of polyether polyol, 12 parts of light shielding agent, 15 parts of linear polyethylene, 13 parts of butyl isostearate and 12 parts of silane coupling agent.
as a preferred technical scheme of the invention, the PVC resin is paste PVC resin, the average polymerization degree is 1300-.
As the preferable technical scheme of the invention, the colorant is titanium dioxide, and the titanium dioxide is Kannos titanium dioxide with the model of 2233;
The Ciba photoinitiator has a melting point of 72-75 ℃, a volatile component of 0.25% max, an ash component of 0.1% max, an absorption wavelength of 231,307nm, a light transmittance of 425 nm and more than 80%, and a light transmittance of 500 nm and more than 90%.
as a preferable technical scheme of the invention, the surface active phospholipid has a color less than 10, a pH value of a 10% aqueous solution is 5.0-7.2, and a solid content is 41.0 +/-1%;
the silicon rubber has the hardness of 52, the tensile strength of 8.5MPa, the elongation of 450 percent, the tearing strength of 25KN/m, the plasticity of 255mm/100 and the specific gravity of 1.18.
As a preferable technical scheme of the invention, the thickener is a mixture of kapok fiber and modified kaolin with the mass ratio of 7: 5 with a mixture of;
The plasticized starch is carboxymethyl starch ether, the viscosity is 500-20000 mPa.s, and the pH value is 8-10.5;
The halloysite powder contains 68.06-69.00% of Al2O3, 16.03-17.22% of SiO2, 1.07% of K2O, 10.06% of Na2O and 0.77% of Fe2O 3.
The preparation method of the root puncture resistant PVC waterproof roll is characterized by comprising the following steps:
(1) Weighing the components in parts by weight according to the embodiments;
(2) Mixing PVC resin, epoxidized soybean oil, acrylic acid, isocyanate, plasticized starch, a tackifier, polyisobutylene, a plasticizer, halloysite powder, linear polyethylene, butyl isostearate and a silane coupling agent, adding absolute ethyl alcohol accounting for 5 percent of the total mass of the raw materials during mixing, and mixing at the temperature of 185 ℃ and the pressure of 0.8MPa in a rubber mixing machine;
(3) Mixing for 50min, heating to 225 ℃, then slowly adding the silicon rubber and the methyl vinyl silicone rubber to melt, cooling to 150 ℃ when the dynamic viscosity of the mixed solution is 150-;
(4) adding perfluoropolyether oil, triglycidyl isocyanurate, a thickening agent and terpene resin into water, fully stirring and expanding, soaking for 12h, then adding surface active phospholipid, zinc chloride, a coloring agent and polyether polyol, fully mixing, adding a light shielding agent, stirring, adding a Ciba photoinitiator under high-speed stirring, reducing the temperature to 55 ℃, adding liquid A, stirring, and carrying out ultrasonic-microwave treatment for 20 min;
(5) extruding and calendaring by a double-screw extruder to obtain the PVC root-resistant layer coating material;
(6) the upper side and the lower side of the composite copper base are compounded with PVC root-resistant layer coating materials, then the two sides are covered with silicone oil paper film layers as isolating materials, and the finished product is packaged through cooling, coiling, cutting and packaging devices, so that the root puncture resistant PVC waterproof coiled material is prepared.
In the step (6), the thickness ratio of the PVC root-resisting layer to the composite copper base is 4-7:2, and the thickness of the composite copper base is 3.5-4.5 mm.
As a preferable technical scheme of the invention, in the step (3), the cooling rate is 5 ℃/min;
in the step (4), the ultrasonic frequency is 54KHZ, and the microwave frequency is 380 MHZ.
by adopting the technical scheme, compared with the prior art, the invention has the following advantages:
(1) The root-puncture-resistant PVC waterproof coiled material has excellent mildew corrosion resistance and ageing resistance, and through a mildew corrosion resistance test, the mildew-proof grade is 0, and the tensile force retention rate is 92.5-96.8%;
(2) The root-resistant PVC waterproof coiled material has excellent puncture resistance, and the root resistance time is as long as 16.8-22.1 years;
(3) the root-puncture-resistant PVC waterproof coiled material has strong ultraviolet resistance, is not easy to age, and has the service life of 69-71 years;
(4) the root-resistant PVC waterproof coiled material has low temperature resistance and flame retardance, has low-temperature flexibility of no fracture at minus 45 ℃, and can effectively prevent fire from spreading;
(5) the root-puncture-resistant PVC waterproof coiled material has excellent waterproof sealing performance, and is waterproof at 167-.
(6) The root puncture-resistant PVC waterproof coiled material has the double functions of preventing water and plant roots from penetrating, can bear the puncture of plant root hairs, and can keep the waterproof function for a long time; not only can prevent root puncture, but also does not influence the normal growth of plants.
(7) the root puncture-resistant PVC waterproof coiled material has the advantages of strong water pressure resistance, puncture resistance, cracking resistance, tearing resistance, fatigue resistance, high tensile strength and strong adaptability to shrinkage deformation and cracking of a tyre base.
Detailed Description
embodiment 1 root-resistant PVC waterproof roll
the invention discloses a root penetration resistant PVC waterproof coiled material, which comprises a silicone oil paper film layer, a PVC root resistance layer and a composite copper base, wherein the PVC root resistance layer comprises the following raw materials: PVC resin, epoxidized soybean oil, acrylic acid, triglycidyl isocyanurate, Ciba photoinitiator, isocyanate, plasticized starch, tackifier, silicone rubber, perfluoropolyether oil, surface active phospholipid, thickener, methyl vinyl silicone rubber, terpene resin, polyisobutylene, plasticizer, halloysite powder, zinc chloride, colorant, polyether polyol, light shielding agent, linear polyethylene, butyl isostearate, and silane coupling agent.
The required raw materials comprise the following components in parts by weight: 65 parts of PVC resin, 35 parts of epoxidized soybean oil, 2 parts of acrylic acid, 20 parts of triglycidyl isocyanurate, 6 parts of Ciba photoinitiator, 18 parts of isocyanate, 20 parts of plasticized starch, 22 parts of tackifier, 12 parts of silicone rubber, 20 parts of perfluoropolyether oil, 1 part of surface active phospholipid, 25 parts of thickener, 14 parts of methyl vinyl silicone rubber, 20 parts of terpene resin, 15 parts of polyisobutylene, 25 parts of plasticizer, 6 parts of halloysite powder, 10 parts of zinc chloride, 5 parts of colorant, 20 parts of polyether polyol, 5 parts of light shielding agent, 20 parts of linear polyethylene, 5 parts of butyl isostearate and 15 parts of silane coupling agent;
the PVC resin is pasty PVC resin, the average polymerization degree is 1300-1400, the B-type viscosity is 4000-7000MPA.S, the mass percentage of volatile matters is less than or equal to 0.35 percent, the mass fraction of residual chloroethylene is less than or equal to 4.5 mu g/g, the fineness of a scraper is less than or equal to 100 mu m, the number of impurity particles is less than or equal to 12, and the mass fraction of sieving rate is less than or equal to 99.2 mu ml/percent;
The molecular weight of the acrylic acid is 1550000-1800000, and the molecular weight distribution coefficient (Mw/Mn) is less than or equal to 5;
The colorant is titanium dioxide, and the titanium dioxide is Kannos titanium dioxide with the model of 2233;
the Ciba photoinitiator has a melting point of 72-75 ℃, a volatile component of 0.25% max, an ash component of 0.1% max, an absorption wavelength of 231,307nm, a light transmittance (10 g 907/100 ml toluene): 425 nm >80%, and 500 nm > 90%;
The color of the surface active phospholipid is less than 10, the pH value of a 10% aqueous solution is 5.0-7.2, and the solid content is 41.0 +/-1%;
the isocyanate is purchased from Tantario buhitensis;
the silicon rubber has the hardness (type A) of 52, the tensile strength of 8.5MPa, the elongation of 450 percent, the tearing strength of 25KN/m, the plasticity of 255mm/100 and the specific gravity of 1.18;
The tackifier consists of an asphalt tackifier GXJ-I, German Koresin and terpene resin T-110, wherein the mass ratio of the GXJ-I to the German Koresin to the terpene resin T-110 is 7:1: 13;
the thickening agent is prepared from kapok fibers and modified kaolin according to a mass ratio of 7: 5 with a mixture of;
the plasticized starch is carboxymethyl starch ether, the viscosity (5% aqueous solution, 20 ℃) is 500-20000 mPa.s, and the PH value (2% aqueous solution) is 8-10.5;
The halloysite powder is a silicate mineral, mainly exists in the nature in a nano-tube shape, and has excellent adsorption performance because the nano-tube shape is a hollow structure; the whiteness of the halloysite powder is 81, the whiteness is more than 91 after the calcining at 1400 ℃, the refractoriness is more than 1750 ℃, the diameter is 0.1-0.4 mu m, and the length is less than 0.5 mu m;
The halloysite powder contains 68.06-69.00% of Al2O3, 16.03-17.22% of SiO2, 1.07% of K2O, 10.06% of Na2O and 0.77% of Fe2O 3;
The silane coupling agent is purchased from Jining HuaKai resin Co.
embodiment 2 root-resistant PVC waterproofing membrane
The invention relates to a root penetration resistant PVC waterproof coiled material which comprises a silicone oil paper film layer, a PVC root resistance layer and a composite copper base, wherein the PVC root resistance layer comprises the following raw materials in parts by weight: 100 parts of PVC resin, 30 parts of epoxidized soybean oil, 6 parts of acrylic acid, 12 parts of triglycidyl isocyanurate, 11 parts of Ciba photoinitiator, 10 parts of isocyanate, 26 parts of plasticized starch, 15 parts of tackifier, 16 parts of silicone rubber, 15 parts of perfluoropolyether oil, 8 parts of surface active phospholipid, 19 parts of thickener, 22 parts of methyl vinyl silicone rubber, 16 parts of terpene resin, 23 parts of polyisobutylene, 21 parts of plasticizer, 12 parts of halloysite powder, 6 parts of zinc chloride, 11 parts of colorant, 16 parts of polyether polyol, 12 parts of light shielding agent, 15 parts of linear polyethylene, 13 parts of butyl isostearate and 12 parts of silane coupling agent;
the rest is the same as example 1.
embodiment 3 root-resistant PVC waterproofing membrane
The invention relates to a root penetration resistant PVC waterproof coiled material which comprises a silicone oil paper film layer, a PVC root resistance layer and a composite copper base, wherein the PVC root resistance layer comprises the following raw materials in parts by weight: 120 parts of PVC resin, 25 parts of epoxidized soybean oil, 8 parts of acrylic acid, 8 parts of triglycidyl isocyanurate, 15 parts of Ciba photoinitiator, 6 parts of isocyanate, 30 parts of plasticized starch, 2 parts of tackifier, 30 parts of silicone rubber, 5 parts of perfluoropolyether oil, 15 parts of surface active phospholipid, 15 parts of thickener, 30 parts of methyl vinyl silicone rubber, 12 parts of terpene resin, 25 parts of polyisobutylene, 10 parts of plasticizer, 15 parts of halloysite powder, 2 parts of zinc chloride, 15 parts of colorant, 12 parts of polyether polyol, 15 parts of light shielding agent, 10 parts of linear polyethylene, 18 parts of butyl isostearate and 3 parts of silane coupling agent;
The rest is the same as example 1.
embodiment 4 preparation method of root-resistant PVC waterproof roll
the root penetration resistant PVC waterproof coiled material comprises a silicone oil paper film layer, a PVC root resistance layer and a composite copper base, and specifically comprises a lower silicone oil paper film layer, a lower PVC root resistance layer, a composite copper base, an upper PVC root resistance layer and an upper silicone oil paper film layer from bottom to top in sequence; the invention discloses a preparation method of a root-resistant PVC waterproof coiled material, which comprises the following steps:
(1) The components are weighed according to the parts by weight in the examples.
(2) Mixing PVC resin, epoxidized soybean oil, acrylic acid, isocyanate, plasticized starch, a tackifier, polyisobutylene, a plasticizer, halloysite powder, linear polyethylene, butyl isostearate and a silane coupling agent, adding absolute ethyl alcohol accounting for 5 percent of the total mass of the raw materials during mixing, and mixing at the temperature of 185 ℃ and the pressure of 0.8MPa in a rubber mixing machine.
(3) mixing for 50min, heating to 225 deg.C, slowly adding silicone rubber and methyl vinyl silicone rubber, melting, cooling to 150 deg.C at 5 deg.C/min when the dynamic viscosity of the mixed solution is 150-.
(4) adding perfluoropolyether oil, triglycidyl isocyanurate, a thickening agent and terpene resin into water, fully stirring and expanding, soaking for 12h, then adding surface active phospholipid, zinc chloride, a coloring agent and polyether polyol, fully mixing, adding a light shielding agent, stirring, adding a Ciba photoinitiator under high-speed stirring, reducing the temperature to 55 ℃, adding liquid A, stirring, performing ultrasonic-microwave treatment for 20min, wherein the ultrasonic frequency is 54KHZ, and the microwave frequency is MH380Z.
(5) extruding the mixture by a double-screw extruder, and carrying out calendaring molding to obtain the PVC root-resistant layer coating material.
(6) Compounding PVC root-resistant layer coating materials on the upper side and the lower side of the composite copper tire base, then covering silicon oil paper film layers on the two sides to serve as isolating materials, and packaging the isolating materials into finished products through cooling, reeling, cutting and packaging devices to obtain the root-resistant PVC waterproof roll; wherein, the thickness ratio of the PVC root-resisting layer to the composite copper base is 4-7:2, and the thickness of the composite copper base is 3.5-4.5 mm.
the formula of the root penetration resistant PVC waterproof coiled material of the embodiment 1-3 is the modified asphalt adhesive tape prepared by the preparation method of the embodiment 4, and the detection results are shown in the following table according to the detection method specified by the national standard:
Table 1: the result of the detection
Remarking: the aging resistance test condition is 2000h, 68 ℃; the service life is calculated according to the U.V100 hour resistance of one year; the flame retardant performance was calculated using the total burn time, UL94, vertical burn, 1.6 mm.
comparative example 1 is a commercially available root-puncture resistant PVC waterproofing membrane available from santo de gard building materials ltd.
From the above data, it can be seen that: all the performances of the root puncture resistant PVC waterproof coiled material in the embodiments 1 to 3 of the invention are greatly improved at the same time:
(1) the root-puncture-resistant PVC waterproof coiled material has excellent mildew corrosion resistance and ageing resistance, and through a mildew corrosion resistance test, the mildew-proof grade is 0, and the tensile force retention rate is 92.5-96.8%;
(2) the root-resistant PVC waterproof coiled material has excellent puncture resistance, and the root resistance time is as long as 16.8-22.1 years;
(3) The root-puncture-resistant PVC waterproof coiled material has strong ultraviolet resistance, is not easy to age, and has the service life of 69-71 years;
(4) the root-resistant PVC waterproof coiled material has low temperature resistance and flame retardance, has low-temperature flexibility of no fracture at minus 45 ℃, and can effectively prevent fire from spreading;
(5) The root-puncture-resistant PVC waterproof coiled material has excellent waterproof sealing performance, and is waterproof at 167-.
The root puncture-resistant PVC waterproof coiled material has the double functions of preventing water and plant roots from penetrating, can bear the puncture of plant root hairs, and can keep the waterproof function for a long time; not only can prevent root puncture, but also does not influence the normal growth of plants.
in addition, the root puncture-resistant PVC waterproof coiled material has the advantages of strong water pressure resistance, puncture resistance, cracking resistance, tearing resistance, fatigue resistance, high tensile strength and strong adaptability to shrinkage deformation and cracking of a tyre base.
All percentages used herein are weight percentages and all ratios described herein are mass ratios, unless otherwise indicated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A root-resistant PVC waterproof coiled material, which is characterized in that,
Root resistance PVC waterproofing membrane hinders root layer and compound copper child base including silicone oil paper rete, PVC, wherein, PVC hinder root layer, include: PVC resin, epoxidized soybean oil, acrylic acid, triglycidyl isocyanurate, Ciba photoinitiator, isocyanate, plasticized starch, tackifier, silicone rubber, perfluoropolyether oil, surface active phospholipid, thickener, methyl vinyl silicone rubber, terpene resin, polyisobutylene, plasticizer, halloysite powder, zinc chloride, colorant, polyether polyol, light shielding agent, linear polyethylene, butyl isostearate, and silane coupling agent.
2. The root penetration resistant PVC waterproof roll material as claimed in claim 1,
the PVC root-resistant layer comprises the following components in parts by weight: root resistance PVC waterproofing membrane includes: 65-120 parts of PVC resin, 25-35 parts of epoxidized soybean oil, 2-8 parts of acrylic acid, 8-20 parts of triglycidyl isocyanurate, 6-15 parts of Ciba photoinitiator, 6-20 parts of isocyanate, 20-30 parts of plasticized starch, 2-25 parts of tackifier, 12-30 parts of silicone rubber, 5-25 parts of perfluoropolyether oil, 1-15 parts of surface active phospholipid and 15-25 parts of thickener, 14-30 parts of methyl vinyl silicone rubber, 12-20 parts of terpene resin, 15-25 parts of polyisobutylene, 10-25 parts of plasticizer, 6-15 parts of halloysite powder, 2-10 parts of zinc chloride, 5-15 parts of colorant, 12-20 parts of polyether polyol, 5-15 parts of light shielding agent, 10-20 parts of linear polyethylene, 5-18 parts of butyl isostearate and 3-15 parts of silane coupling agent.
3. The root penetration resistant PVC waterproof roll material as claimed in claim 1,
The PVC root-resistant layer comprises the following components in parts by weight: 100 parts of PVC resin, 30 parts of epoxidized soybean oil, 6 parts of acrylic acid, 12 parts of triglycidyl isocyanurate, 11 parts of Ciba photoinitiator, 10 parts of isocyanate, 26 parts of plasticized starch, 15 parts of tackifier, 16 parts of silicone rubber, 15 parts of perfluoropolyether oil, 8 parts of surface active phospholipid, 19 parts of thickener, 22 parts of methyl vinyl silicone rubber, 16 parts of terpene resin, 23 parts of polyisobutylene, 21 parts of plasticizer, 12 parts of halloysite powder, 6 parts of zinc chloride, 11 parts of colorant, 16 parts of polyether polyol, 12 parts of light shielding agent, 15 parts of linear polyethylene, 13 parts of butyl isostearate and 12 parts of silane coupling agent.
4. the root penetration resistant PVC waterproof roll material as claimed in claim 3,
The PVC resin is paste PVC resin, the average polymerization degree is 1300-1400, the B-type viscosity is 4000-7000MPA. S, the mass percent of volatile matters is less than or equal to 0.35 percent, the mass percent of residual chloroethylene is less than or equal to 4.5 mu g/g, the fineness of a scraper is less than or equal to 100 mu m, and the mass percent of sieving rate is less than or equal to 99.2 mu ml/%.
5. The root penetration resistant PVC waterproof roll material as claimed in claim 1,
The colorant is titanium dioxide, and the titanium dioxide is Kannos titanium dioxide with the model of 2233;
the Ciba photoinitiator has a melting point of 72-75 ℃, a volatile component of 0.25% max, an ash component of 0.1% max, an absorption wavelength of 231,307nm, a light transmittance of 425 nm and more than 80%, and a light transmittance of 500 nm and more than 90%.
6. the root penetration resistant PVC waterproof roll material as claimed in claim 1,
the color of the surface active phospholipid is less than 10, the pH value of a 10% aqueous solution is 5.0-7.2, and the solid content is 41.0 +/-1%;
the silicon rubber has the hardness of 52, the tensile strength of 8.5MPa, the elongation of 450 percent, the tearing strength of 25KN/m, the plasticity of 255mm/100 and the specific gravity of 1.18.
7. The root penetration resistant PVC waterproof roll material as claimed in claim 1,
the thickening agent is prepared from kapok fibers and modified kaolin according to a mass ratio of 7: 5 with a mixture of;
the plasticized starch is carboxymethyl starch ether, the viscosity is 500-20000 mPa.s, and the pH value is 8-10.5;
the halloysite powder contains 68.06-69.00% of Al2O3, 16.03-17.22% of SiO2, 1.07% of K2O, 10.06% of Na2O and 0.77% of Fe2O 3.
8. a preparation method of a root puncture resistant PVC waterproof coiled material, which is characterized in that,
The preparation method of the root penetration resistant PVC waterproof roll comprises the following steps:
(1) weighing the components in parts by weight according to the embodiments;
(2) mixing PVC resin, epoxidized soybean oil, acrylic acid, isocyanate, plasticized starch, a tackifier, polyisobutylene, a plasticizer, halloysite powder, linear polyethylene, butyl isostearate and a silane coupling agent, adding absolute ethyl alcohol accounting for 5 percent of the total mass of the raw materials during mixing, and mixing at the temperature of 185 ℃ and the pressure of 0.8MPa in a rubber mixing machine;
(3) mixing for 50min, heating to 225 ℃, then slowly adding the silicon rubber and the methyl vinyl silicone rubber to melt, cooling to 150 ℃ when the dynamic viscosity of the mixed solution is 150-;
(4) Adding perfluoropolyether oil, triglycidyl isocyanurate, a thickening agent and terpene resin into water, fully stirring and expanding, soaking for 12h, then adding surface active phospholipid, zinc chloride, a coloring agent and polyether polyol, fully mixing, adding a light shielding agent, stirring, adding a Ciba photoinitiator under high-speed stirring, reducing the temperature to 55 ℃, adding liquid A, stirring, and carrying out ultrasonic-microwave treatment for 20 min;
(5) extruding and calendaring by a double-screw extruder to obtain the PVC root-resistant layer coating material;
(6) The upper side and the lower side of the composite copper base are compounded with PVC root-resistant layer coating materials, then the two sides are covered with silicone oil paper film layers as isolating materials, and the finished product is packaged through cooling, coiling, cutting and packaging devices, so that the root puncture resistant PVC waterproof coiled material is prepared.
9. the method for preparing root penetration resistant PVC waterproof coiled material according to claim 8,
in the step (6), the thickness ratio of the PVC root-resisting layer to the composite copper base is 4-7:2, and the thickness of the composite copper base is 3.5-4.5 mm.
10. the method for preparing root penetration resistant PVC waterproof coiled material according to claim 8,
in the step (3), the cooling rate is 5 ℃/min;
In the step (4), the ultrasonic frequency is 54KHZ, and the microwave frequency is 380 MHZ.
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| CN113214571A (en) * | 2021-04-01 | 2021-08-06 | 浙江理工大学 | Alkali-corrosion-resistant high-strength flexible polyvinyl chloride film material and preparation method thereof |
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| CN105440503A (en) * | 2015-12-31 | 2016-03-30 | 杨红蕾 | Flame-retardant PVC waterproof coiled material |
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