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CN-122013558-A - Conductive waterproof coiled material and preparation method and application thereof

CN122013558ACN 122013558 ACN122013558 ACN 122013558ACN-122013558-A

Abstract

The invention relates to the technical field of building waterproof materials, and discloses a conductive waterproof coiled material, a preparation method and application thereof. The conductive waterproof coiled material comprises a conductive layer and a waterproof layer, wherein a raw material composition I for forming the conductive layer contains matrix asphalt I, polyisobutylene, styrene-butadiene rubber I, hydrogenated petroleum resin I, SBS-I, conductive fibers, additives and a compound modifier A, the compound modifier A is a combination of chlorinated polyethylene and thermoplastic rubber SAM-I with the content mass ratio of 1:1-2, and the content of a styrene structural unit in the thermoplastic rubber SAM-I is 20-30wt%. Compared with the traditional waterproof coiled material, the comprehensive performance of the conductive waterproof coiled material provided by the invention is obviously improved, and the conductive waterproof coiled material has the conductive sensing function, waterproof sealing property, weather resistance, high and low temperature resistance, corrosion resistance and flame retardance.

Inventors

  • ZHANG YIN
  • LI XIONG
  • WANG XIANJUN
  • WANG GANG
  • LI DUOYI

Assignees

  • 科顺防水科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260316

Claims (10)

  1. 1. The conductive waterproof coiled material is characterized by comprising a conductive layer and a waterproof layer; The raw material composition I for forming the conductive layer contains matrix asphalt I, polyisobutylene, styrene-butadiene rubber I, hydrogenated petroleum resin I, SBS-I, conductive fibers, an additive and a compound modifier A, wherein the compound modifier A is a combination of chlorinated polyethylene and thermoplastic rubber SAM-I with the content mass ratio of 1:1-2, and the content of styrene structural units in the thermoplastic rubber SAM-I is 20-30wt%; Based on the total weight of the raw material composition I, the content of matrix asphalt I is 40-55wt%, the content of polyisobutene is 5-12wt%, the content of styrene-butadiene rubber I is 4-8wt%, the content of hydrogenated petroleum resin I is 2-5wt%, the content of SBS-I is 5-10wt%, the content of conductive fiber is 8-15wt%, the content of additive is 0.6-1.6wt%, and the content of compound modifier A is 8-18wt%; The raw material composition II for forming the waterproof layer contains matrix asphalt II, aromatic oil, styrene-butadiene rubber II, SBS-II, hydrogenated petroleum resin II and a compound modifier B, wherein the compound modifier B is a combination of a vinyl chloride-vinyl acetate copolymer and a thermoplastic rubber SAM-II in a mass ratio of 1:0.5-1, and the content of a styrene structural unit in the thermoplastic rubber SAM-II is 20-30wt%; Based on the total weight of the raw material composition II, the content of the matrix asphalt II is 45-55wt%, the content of the aromatic oil is 8-15wt%, the content of the styrene-butadiene rubber II is 3-7wt%, the content of the SBS-II is 4-10wt%, the content of the hydrogenated petroleum resin II is 2-8wt%, and the content of the compound modifier B is 7-16wt%.
  2. 2. The waterproof coiled material according to claim 1, wherein the compound modifier A is a combination of chlorinated polyethylene and thermoplastic rubber SAM-I with a content mass ratio of 1:1.2-1.8.
  3. 3. The waterproof coiled material according to claim 1, wherein the compound modifier B is a combination of vinyl chloride-vinyl acetate copolymer and thermoplastic rubber SAM-II with a content mass ratio of 1:0.6-1.
  4. 4. A water-resistant coiled material according to any one of claims 1 to 3, wherein the chlorinated polyethylene has a chlorine content of 30 to 40% by weight.
  5. 5. The waterproof roll as claimed in any one of claims 1 to 3, wherein the melting point of the vinyl chloride-vinyl acetate copolymer is 70 to 100 ℃ and the density at 25 ℃ is 1.5g/cm3 or less.
  6. 6. The waterproof roll as claimed in any one of claims 1 to 3, wherein the additives include an antioxidant, an ultraviolet absorber, and a light stabilizer; And/or the content mass ratio of the antioxidant to the ultraviolet absorber to the light stabilizer is 1:0.2-1.7:0.1-0.4.
  7. 7. A water-resistant roll material according to any one of claims 1 to 3, wherein the thickness of the conductive layer is 0.5 to 1mm; And/or the thickness of the waterproof layer is 2-3mm.
  8. 8. A method for producing the conductive waterproof roll as claimed in any one of claims 1 to 7, characterized in that the method comprises: (1) First mixing a raw material composition I containing matrix asphalt I, polyisobutylene, styrene-butadiene rubber I, hydrogenated petroleum resin I, SBS-I, conductive fibers, an additive and a compound modifier A to obtain a mixed material I, and Secondly mixing a raw material composition II containing matrix asphalt II, aromatic oil, styrene-butadiene rubber II, SBS-II, hydrogenated petroleum resin II and a compound modifier B to obtain a mixed material II; (2) And coating and forming the mixture I and the mixture II on a base material to obtain the conductive waterproof coiled material.
  9. 9. The method according to claim 8, wherein in the step (1), the first mixing condition comprises a temperature of 170-180 ℃ for 120-150min; and/or the second mixing condition comprises a temperature of 175-185 ℃ and a time of 200-260min.
  10. 10. Use of the conductive waterproof roll according to any one of claims 1 to 7 in waterproofing of buildings.

Description

Conductive waterproof coiled material and preparation method and application thereof Technical Field The invention relates to the technical field of building waterproof materials, in particular to a conductive waterproof coiled material, a preparation method and application thereof. Background In the building waterproof field, the traditional waterproof coiled materials mainly comprise SBS modified asphalt coiled materials, APP modified asphalt coiled materials, high polymer coiled materials and the like, the core function of the coiled materials is to realize waterproof through the isolation performance of the coiled materials, the whole coiled materials are in a 'passive waterproof' state, short plates with obvious performances, namely insufficient weather resistance (long-term exposure and easy aging cracking), poor high and low temperature circulation resistance and weak chemical corrosion resistance, and part of coiled materials have no flame retardant function, so that the long-term weather-proof requirement of complex scenes is difficult to meet even if a single modifier is added, and potential safety hazards exist in new energy and industrial scenes. The existing leakage detection modes mainly comprise the following steps of finding out after a water seepage trace appears in the building, checking and maintaining the building, and the other step of checking the building manually and regularly and checking the building by a professional. The traditional detection mode has obvious loopholes that the traditional waterproof coiled material has no real-time monitoring function, leakage detection is delayed, the building structure is possibly damaged during post maintenance, the maintenance cost is high, the manual periodic inspection efficiency is low, the risk is high, and hidden or initial leakage cannot be found. In the scenes such as photovoltaic roofing, energy storage power station, chemical industry factory, traditional waterproofing membrane need bear ultraviolet irradiation for a long time, temperature difference circulation round the clock, wind and rain erosion, and part still need contact oils, chemicals etc. easily takes place ageing damage, corrosion failure, and seepage detection relies on above-mentioned traditional mode entirely, in case the problem probably causes serious accident such as conflagration, equipment damage. Therefore, development of a waterproof roll with strong weather resistance, capability of adapting to different application scenes and real-time monitoring function is needed. Disclosure of Invention The invention aims to provide a conductive waterproof coiled material with excellent weather resistance, long-term structural stability and reliable leakage real-time monitoring function. In order to achieve the above object, a first aspect of the present invention provides a conductive waterproof roll including a conductive layer and a waterproof layer; The raw material composition I for forming the conductive layer contains matrix asphalt I, polyisobutylene, styrene-butadiene rubber I, hydrogenated petroleum resin I, SBS-I, conductive fibers, an additive and a compound modifier A, wherein the compound modifier A is a combination of chlorinated polyethylene and thermoplastic rubber SAM-I with the content mass ratio of 1:1-2, and the content of styrene structural units in the thermoplastic rubber SAM-I is 20-30wt%; Based on the total weight of the raw material composition I, the content of matrix asphalt I is 40-55wt%, the content of polyisobutene is 5-12wt%, the content of styrene-butadiene rubber I is 4-8wt%, the content of hydrogenated petroleum resin I is 2-5wt%, the content of SBS-I is 5-10wt%, the content of conductive fiber is 8-15wt%, the content of additive is 0.6-1.6wt%, and the content of compound modifier A is 8-18wt%; The raw material composition II for forming the waterproof layer contains matrix asphalt II, aromatic oil, styrene-butadiene rubber II, SBS-II, hydrogenated petroleum resin II and a compound modifier B, wherein the compound modifier B is a combination of a vinyl chloride-vinyl acetate copolymer and a thermoplastic rubber SAM-II in a mass ratio of 1:0.5-1, and the content of a styrene structural unit in the thermoplastic rubber SAM-II is 20-30wt%; Based on the total weight of the raw material composition II, the content of the matrix asphalt II is 45-55wt%, the content of the aromatic oil is 8-15wt%, the content of the styrene-butadiene rubber II is 3-7wt%, the content of the SBS-II is 4-10wt%, the content of the hydrogenated petroleum resin II is 2-8wt%, and the content of the compound modifier B is 7-16wt%. A second aspect of the present invention provides a method of producing the conductive waterproof roll of the first aspect, the method comprising: (1) First mixing a raw material composition I containing matrix asphalt I, polyisobutylene, styrene-butadiene rubber I, hydrogenated petroleum resin I, SBS-I, conductive fibers, an additive and a co