CN110819260A - Tearing-free water-soluble isolating film self-adhesive waterproof coiled material and construction method thereof - Google Patents
Tearing-free water-soluble isolating film self-adhesive waterproof coiled material and construction method thereof Download PDFInfo
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
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- C08J2329/00—Characterised by the use 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
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- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
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- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C09J2401/00—Presence of cellulose
- C09J2401/005—Presence of cellulose in the release coating
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- C09J2403/005—Presence of starch in the release coating
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- C09J2429/00—Presence of polyvinyl alcohol
- C09J2429/005—Presence of polyvinyl alcohol in the release coating
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- C09J2467/005—Presence of polyester in the release coating
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Abstract
The invention discloses a tearing-free water-soluble isolating membrane self-adhesive waterproof coiled material and a construction method thereof, and relates to the technical field of waterproof coiled materials. The invention adopts the water-soluble film to replace the PE or PET commonly used at present as the isolating film, adopts cement mortar for wet paving during construction, can directly produce the waterproof coiled material without tearing the film and modifying the production equipment of the original waterproof coiled material, saves the production cost, can accelerate the engineering progress, and avoids the phenomenon that the engineering progress or quality is influenced by the problems of difficult film tearing, pollution to self-adhesive surfaces and the like of the conventional wet-paved coiled material. Meanwhile, white pollution generated in construction is reduced, and the method is more environment-friendly. The coiled material is firmly and reliably bonded with the non-cast-in-place concrete base surface by adopting cement mortar.
Description
Technical Field
The invention relates to the technical field of waterproof rolls, in particular to a tear-free water-soluble isolating membrane self-adhesive waterproof roll and a construction method thereof.
Background
The wet-laid waterproof coiled material is a self-adhesive polymer modified asphalt waterproof coiled material formed by bonding cement paste or cement mortar with a concrete base layer. The construction of the wet-laid waterproof coiled material does not use open fire or adhesives, so that the construction is energy-saving, environment-friendly and economical, the base layer is not leveled or even wet, the construction can be carried out as long as open water is not available, the construction advantages are better shown particularly in rainy seasons, and the construction period can be saved most effectively. Based on the advantages, the wet-laid waterproof coiled material is widely applied. The wet-laid waterproof roll usually consists of a PE or PET isolating film, a polymer modified asphalt self-adhesive material and a high molecular film, wherein the PE or PET isolating film is torn off before being laid and attached, so that white pollution is caused, and particularly, the PET isolating film is difficult to recover; meanwhile, when the coiled material is extruded or constructed at high temperature in summer, the isolating film is difficult to peel off, so that the construction progress is influenced; when the insulation film is stored for a long time or the quality of the insulation film is poor, silicone oil on the surface of the insulation film can remain on the surface of the self-adhesive material, and the full adhesion rate of the coiled material and the base surface is influenced.
In order to avoid the problems, the technical scheme that the coating made of the polymer emulsion is sprayed on the surface of the self-adhesive material to serve as the isolating layer currently exists, but the technical scheme needs to spend a large amount of cost to upgrade and modify coil production equipment, and the technology can only be well adhered with cast-in-place concrete when a pre-paving method is used.
Disclosure of Invention
The invention provides a spraying water-based non-cured rubber modified asphalt waterproof coating and a production process thereof. The invention adopts the following technical scheme: a water-soluble isolating film self-adhesive waterproof coiled material free of tearing sequentially comprises a water-soluble isolating film, an asphalt self-adhesive material and a polymer base film.
Preferably, the water-soluble isolating membrane comprises the components of polyvinyl alcohol, sodium hydroxymethyl cellulose, glycerol, a penetration aid, a water-based polyester plasticizer and starch.
Preferably, the asphalt self-adhesive component comprises: asphalt, base oil, SBS, SBR, tackifying resin, inorganic filler and silane coupling agent.
Preferably, the polymer base film is any one of a strong cross film, a PET film, and a PET aluminum-plated film.
Further, the water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 10-26 parts of sodium carboxymethylcellulose, 1.5 parts of glycerol, 2 parts of a penetration aid, 2 parts of a water-based polyester plasticizer and 1.5 parts of starch.
Further, the asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent.
Preferably, the thickness of the water-soluble isolation film is 0.04 +/-0.003 mm.
A construction method of a tear-free water-soluble isolating membrane self-adhesive waterproof coiled material is characterized in that cement mortar is adopted to bond the tear-free water-soluble isolating membrane self-adhesive waterproof coiled material, and the water-soluble isolating membrane is in contact with and covers the cement mortar.
Preferably, the mixing ratio of the cement mortar is cement: sand: water 1:2: 0.4-0.5
The invention adopts the water-soluble film to replace the PE or PET commonly used at present as the isolating film, adopts cement mortar for wet paving during construction, can directly produce the waterproof coiled material without tearing the film and modifying the production equipment of the original waterproof coiled material, saves the production cost, can accelerate the engineering progress, and avoids the phenomenon that the engineering progress or quality is influenced by the problems of difficult film tearing, pollution to self-adhesive surfaces and the like of the conventional wet-paved coiled material. Meanwhile, white pollution generated in construction is reduced, and the method is more environment-friendly. The coiled material is firmly and reliably bonded with the non-cast-in-place concrete base surface by adopting cement mortar.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1:
a water-soluble isolating film self-adhesive waterproof coiled material free of tearing is composed of a water-soluble isolating film, an asphalt self-adhesive material and a polymer base film which are sequentially compounded together. The long edge of the waterproof roll is reserved with an overlapping edge of 8 mm. The polymer film substrate adopts a Brownian strong cross film. The water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 26 parts of sodium hydroxymethyl cellulose, 1.5 parts of glycerol, 2 parts of a penetration aid, 2 parts of a water-based polyester plasticizer and 1.5 parts of modified starch. The thickness of the water-soluble film is controlled to be 0.04 +/-0.003 mm, and the preparation method comprises the steps of dissolving, glue making, filtering, salivation coating, drying, stripping, continuous drying, trimming and winding. The asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of 90# asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent. Wherein the penetration assistant adopts sodium diisooctyl succinate, and the water-based polyester plasticizer adopts DSMNEOXIL-968/100.
When the waterproof roll is used, the cement mortar is adopted to bond the tearing-free water-soluble isolating film self-adhesive waterproof roll, and the water-soluble isolating film is contacted with and covered with the cement mortar. Wherein the cement mortar comprises the following components in percentage by weight: 42.5 cement: ISO standard sand: water 1:2: 0.4.
Example 2:
a water-soluble isolating film self-adhesive waterproof coiled material free of tearing is composed of a water-soluble isolating film, an asphalt self-adhesive material and a polymer base film which are sequentially compounded together. The long edge of the waterproof roll is reserved with an overlapping edge of 8 mm. The polymer film substrate adopts a Brownian strong cross film. The water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 26 parts of sodium hydroxymethyl cellulose, 1.5 parts of glycerol, 2 parts of water-based polyester plasticizer and 1.5 parts of modified starch. The thickness of the water-soluble film is controlled to be 0.04 +/-0.003 mm, and the preparation method comprises the steps of dissolving, glue making, filtering, salivation coating, drying, stripping, continuous drying, trimming and winding. The asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of 90# asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent. Wherein the water-based polyester plasticizer is DSMNeoxil-968/100.
When the waterproof roll is used, the cement mortar is adopted to bond the tearing-free water-soluble isolating film self-adhesive waterproof roll, and the water-soluble isolating film is contacted with and covered with the cement mortar. Wherein the cement mortar comprises the following components in percentage by weight: 42.5 cement: ISO standard sand: water 1:2: 0.4.
Example 3:
a water-soluble isolating film self-adhesive waterproof coiled material free of tearing is composed of a water-soluble isolating film, an asphalt self-adhesive material and a polymer base film which are sequentially compounded together. The long edge of the waterproof roll is reserved with an overlapping edge of 8 mm. The polymer film substrate adopts a Brownian strong cross film. The water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 26 parts of sodium hydroxymethyl cellulose, 1.5 parts of glycerol, 2 parts of a penetration aid, 2 parts of a water-based polyester plasticizer and 1.5 parts of modified starch. The thickness of the water-soluble film is controlled to be 0.04 +/-0.003 mm, and the preparation method comprises the steps of dissolving, glue making, filtering, salivation coating, drying, stripping, continuous drying, trimming and winding. The asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of 90# asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent. Wherein the penetration assistant adopts sodium diisooctyl succinate, and the water-based polyester plasticizer adopts DSMNEOXIL-968/100.
When the waterproof roll is used, the cement mortar is adopted to bond the tearing-free water-soluble isolating film self-adhesive waterproof roll, and the water-soluble isolating film is contacted with and covered with the cement mortar. Wherein the cement mortar comprises the following components in percentage by weight: 42.5 cement: ISO standard sand: water 1:2: 0.5.
Example 4:
a water-soluble isolating film self-adhesive waterproof coiled material free of tearing is composed of a water-soluble isolating film, an asphalt self-adhesive material and a polymer base film which are sequentially compounded together. The long edge of the waterproof roll is reserved with an overlapping edge of 8 mm. The polymer film substrate adopts a Brownian strong cross film. The water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 10 parts of sodium carboxymethyl cellulose, 1.5 parts of glycerol, 2 parts of a penetration aid, 2 parts of a water-based polyester plasticizer and 1.5 parts of modified starch. The thickness of the water-soluble film is controlled to be 0.04 +/-0.003 mm, and the preparation method comprises the steps of dissolving, glue making, filtering, salivation coating, drying, stripping, continuous drying, trimming and winding. The asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of 90# asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent. Wherein the penetration assistant adopts sodium diisooctyl succinate, and the water-based polyester plasticizer adopts DSMNEOXIL-968/100.
When the waterproof roll is used, the cement mortar is adopted to bond the tearing-free water-soluble isolating film self-adhesive waterproof roll, and the water-soluble isolating film is contacted with and covered with the cement mortar. Wherein the cement mortar comprises the following components in percentage by weight: 42.5 cement: ISO standard sand: water 1:2: 0.4.
Example 5:
a water-soluble isolating film self-adhesive waterproof coiled material free of tearing is composed of a water-soluble isolating film, an asphalt self-adhesive material and a polymer base film which are sequentially compounded together. The long edge of the waterproof roll is reserved with an overlapping edge of 8 mm. The polymer film substrate adopts a Brownian strong cross film. The water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 18 parts of sodium hydroxymethyl cellulose, 1.5 parts of glycerol, 2 parts of a penetration aid, 2 parts of a water-based polyester plasticizer and 1.5 parts of modified starch. The thickness of the water-soluble film is controlled to be 0.04 +/-0.003 mm, and the preparation method comprises the steps of dissolving, glue making, filtering, salivation coating, drying, stripping, continuous drying, trimming and winding. The asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of 90# asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent. Wherein the penetration assistant adopts sodium diisooctyl succinate, and the water-based polyester plasticizer adopts DSMNEOXIL-968/100.
When the waterproof roll is used, the cement mortar is adopted to bond the tearing-free water-soluble isolating film self-adhesive waterproof roll, and the water-soluble isolating film is contacted with and covered with the cement mortar. Wherein the cement mortar comprises the following components in percentage by weight: 42.5 cement: ISO standard sand: water 1:2: 0.4.
The detection data of the peeling strength of the coiled material and the cement mortar according to GB/T35467-2017 sample preparation detection are as follows:
as can be seen from comparison of examples 1 and 2, the permeation aid is effective in improving the peel strength, particularly after immersion in water; comparing examples 1 and 3, it can be found that the water-cement ratio of the mortar is properly improved, the water-soluble film is dissolved more thoroughly, the water-soluble film can better permeate into the mortar, and the peeling strength of the coiled material and the cement mortar is improved; particularly unexpectedly, in comparative examples 1, 4 and 5, the fact that the peeling strength of the coiled material and the mortar can be remarkably improved by increasing the sodium carboxymethyl cellulose within a certain range is found.
Although the foregoing describes a specific embodiment of the present invention, rather than limiting the scope of the present invention, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an exempt from to tear water-soluble barrier film self-adhesion waterproofing membrane which characterized in that includes water-soluble barrier film, pitch in proper order and is stained with material and polymer base film certainly.
2. The tear-free water-soluble isolating membrane self-adhesive waterproof roll according to claim 1, wherein the water-soluble isolating membrane comprises polyvinyl alcohol, sodium hydroxymethyl cellulose, glycerol, a penetration aid, a water-based polyester plasticizer and starch.
3. The tear-free water-soluble isolating membrane self-adhesive waterproof roll according to claim 1, wherein the asphalt self-adhesive material comprises the following components: asphalt, base oil, SBS, SBR, tackifying resin, inorganic filler and silane coupling agent.
4. The tear-free water-soluble isolating film self-adhesive waterproof roll according to claim 1, wherein the polymer base film is any one of a strong cross film, a PET film and a PET aluminized film.
5. The tear-free water-soluble isolating film self-adhesive waterproof roll according to claim 2, wherein the water-soluble isolating film comprises the following components in parts by weight: 67 parts of polyvinyl alcohol, 10-26 parts of sodium carboxymethylcellulose, 1.5 parts of glycerol, 2 parts of a penetration aid, 2 parts of a water-based polyester plasticizer and 1.5 parts of starch.
6. The tearing-free water-soluble isolating membrane self-adhesive waterproof roll as claimed in claim 3, wherein the asphalt self-adhesive material comprises the following components in parts by weight: 40 parts of asphalt, 10 parts of base oil, 5 parts of SBS, 5 parts of SBR, 3 parts of tackifying resin, 25 parts of inorganic filler and 0.5 part of silane coupling agent.
7. The tear-free water-soluble barrier film self-adhesive waterproof roll material as claimed in claim 1, wherein the thickness of the water-soluble barrier film is 0.04 mm plus or minus 0.003 mm.
8. The construction method of the water-soluble isolating film self-adhesive waterproof roll material without tearing as claimed in claim 1, characterized in that cement mortar is adopted to bond the water-soluble isolating film self-adhesive waterproof roll material without tearing, and the water-soluble isolating film contacts and covers the cement mortar.
9. The construction method of the tear-free water-soluble isolating membrane self-adhesive waterproof roll as claimed in claim 8, wherein the cement mortar is prepared from cement: sand: water is 1:2: 0.4-0.5.
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| CN112065435A (en) * | 2020-07-30 | 2020-12-11 | 北京交通大学 | Skin type waterproof method |
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| CN105644091A (en) * | 2015-12-29 | 2016-06-08 | 秦皇岛市地维建材有限公司 | Preparation method of TPO crossed compound sheet self-adhesion waterproof coiled material |
| CN107286541A (en) * | 2016-03-31 | 2017-10-24 | 郝喜海 | A kind of preparation method of pitch class waterproof roll barrier film |
| CN205522740U (en) * | 2016-04-12 | 2016-08-31 | 佛山市可达佳建材有限公司 | Response type self -adhered waterproofing membrane |
| CN108003833A (en) * | 2017-11-30 | 2018-05-08 | 岳阳东方雨虹防水技术有限责任公司 | A kind of self-adhesive and preparation method thereof and pollution-resistant self-adhesive asphalt waterproof coiled material |
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| CN112065435A (en) * | 2020-07-30 | 2020-12-11 | 北京交通大学 | Skin type waterproof method |
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