CN103358635B - A kind of waterproof roll with pre-installed and inverted adhered function and preparation method thereof - Google Patents
A kind of waterproof roll with pre-installed and inverted adhered function and preparation method thereof Download PDFInfo
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- CN103358635B CN103358635B CN201310306309.9A CN201310306309A CN103358635B CN 103358635 B CN103358635 B CN 103358635B CN 201310306309 A CN201310306309 A CN 201310306309A CN 103358635 B CN103358635 B CN 103358635B
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Abstract
The invention discloses a kind of waterproof roll with pre-installed and inverted adhered function, with plastic sheet for carrier, scrape and scribble hot-fusible pressure-sensitive adhesive on plastic sheet, spray acrylic acid series isolated protective layer on melt pressure sensitive glue-line, the superiors adopt PET to be coated with silicon isolating membrane and cover。Waterproof roll disclosed by the invention has that tensile strength performance high, tear-resistant is good, nonpoisonous and tasteless, adaptive temperature scope is wide, solderable or self-adhesion overlap joint and rear pouring concrete formed full bonding, can the direct feature such as walking construction on coiled material, it is adaptable to the waterproof of the underground waterproof engineering such as basement, man-made lake, culvert, tunnel, subway。
Description
Technical field
The present invention relates to the waterproof roll for waterproof or protection against the tide and processing technology thereof, belong to chemical material field for building。
Background technology
Released state is presented with xoncrete structure after being currently used for the splash guard construction of underground waterproof engineering, once destroying occurs in splash guard, water will bear directly against xoncrete structure and channelling occurs between splash guard and xoncrete structure, carries out maintenance to follow-up searching breakthrough and brings great inconvenience。
For solving channeling water problem, this area have developed pre-installed and inverted adhered construction method: is layered on basal plane by the waterproof roll sky being covered with self-adhesive rete, then pouring structure concrete, makes concrete slurry and coiled material adhesive film combine closely。
But, common Colophonium class self-adhesive film material can not realize real full bonding with concrete, it is impossible to realizes real pre-installed and inverted adhered effect。
Summary of the invention
Overlay waterproof roll for prior art medium pitch class self-adhesion glued membrane class and cannot realize the deficiency of real pre-installed and inverted adhered effect, the invention provides the polymer membranes of a kind of multi-layer compound structure and processing technology thereof, there is pre-installed and inverted adhered function。The waterproof roll of the present invention has that tensile strength performance high, tear-resistant is good, nonpoisonous and tasteless, adaptive temperature scope is wide, solderable or self-adhesion overlap joint and rear pouring concrete formed full bonding, can the direct feature such as walking construction on coiled material, it is adaptable to the waterproof of the underground waterproof engineering such as basement, man-made lake, culvert, tunnel, subway。
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of waterproof roll with pre-installed and inverted adhered function; including plastic sheet, hot-fusible pressure-sensitive adhesive; acrylic acid series isolated protective layer; PET is coated with silicon isolating membrane material; with plastic sheet for carrier; scraping on plastic sheet and scribble hot-fusible pressure-sensitive adhesive, spray acrylic acid series isolated protective layer on melt pressure sensitive glue-line, the superiors adopt PET to be coated with silicon isolating membrane and cover。
By said structure, form the waterproof roll that can bend rolling。
Wherein, described plastic sheet used by the present invention is formed by high density polyethylene (HDPE)/linear low density polyethylene/thermoplastic elastomer (TPE) is composite, by the construction inconvenience using the linear low density polyethylene (LLDPE) LLDPE high-crystallinity that can improve high density polyethylene (HDPE) to bring, by using thermoplastic elastomer (TPE) to improve the thermal weldability of plastic sheet and the surface cementability of sheet material。
Wherein it is possible to the consumption of various compositions and adjuvant thereof in specifically chosen plastic sheet as required, it is preferred that described plastic sheet is made up of following ingredients, in mass fraction: high density polyethylene (HDPE) 50～90；Linear low density polyethylene 10～40；Thermoplastic elastomer (TPE) 0～10；Antioxidant 0.5～1.5；Age resistor 0.5～1.0 coloring agent 2～5。
In above-mentioned statement, the description of thermoplastic elastomer (TPE) being have employed to the mode of 0-10, will express and be meant to for this plastic sheet, thermoplastic elastomer (TPE) is available, and it is better to add this composition performance, and its consumption is less than 10 parts。
In above-mentioned, antioxidant used, age resistor, coloring agent are adjuvant commonly used in the art, for instance antioxidant can adopt extensively sell use antioxidant 1010,1076,168 or 619F etc.；Age resistor can adopt extensively the antioxidant 4020 of sale, 4010,264 etc.；Coloring agent is titanium dioxide or white carbon black etc.。
In the present invention, the hot-fusible pressure-sensitive adhesive of described hot-fusible pressure-sensitive adhesive to be material of main part be SIS (styrene-isoprene-phenylethene) or SEPS (hydrogenated styrene isoprene-styrene)。
In order to ensure the service life of hot-fusible pressure-sensitive adhesive, described SIS hot-fusible pressure-sensitive adhesive or SEPS hot-fusible pressure-sensitive adhesive also comprise one or more the mixture in ultraviolet absorber, light stabilizer, antioxidant, plasticizer, rheologic additive。
Above-mentioned various adjuvants are adjuvant commonly used in the art, as UV absorbent adopts UV-1130, UV-327, UV-531 etc.；Light stabilizer can adopt light stabilizer 622,201,292,770 etc.；Antioxidant adopt antioxidant 1010,1076,168 or 619F etc.；Plasticizer adopts dioctyl phthalate (DOP), dibutyl phthalate (DBP) etc.；Rheologic additive adopts guar gum, xanthan gum, CM, sodium alginate etc.。
Wherein, it is preferable that the thickness of described hot-fusible pressure-sensitive adhesive is 0.30～0.50mm, under this thickness, hot-fusible pressure-sensitive adhesive and plastic sheet have the adhesive effect of the best。
In the present invention; described acrylic acid series isolated protective layer; mixed by the calcium carbonate of acrylic emulsion and grating or Pulvis Talci, wherein also include one or more the mixture in ultraviolet absorber, light stabilizer, antioxidant, levelling agent as adjuvant。
Wherein, described acrylic emulsion is preferably butyl acrylate, and the calcium carbonate of grating is preferably 300 orders, 800 orders, 1500 orders form according to 1: 1: 1 grating。
The adjuvant wherein adopted, ultraviolet absorber adopts UV-1130, UV-327, UV-531 etc.；Light stabilizer can adopt light stabilizer 622,201,292,770 etc.；Antioxidant adopt antioxidant 1010,1076,168 or 619F etc.；Levelling agent adopts polyether polyester modified organic silicon oxygen alkane, alkyl-modified organosiloxane, acrylic compounds levelling agent etc.。
In the present invention, the preferred two-sided painting silicon weight off-type force isolating membrane of described PET isolating membrane, there is mechanical strength and the chemical property of excellence, and can use by High temperature storage for a long time。
Accordingly; the preparation method described in the invention discloses with the waterproof roll of pre-installed and inverted adhered function; comprise the steps: to make plastic sheet initially with extrusion blow molding processes; plastic sheet is uniformly coated with one layer of hot-fusible pressure-sensitive adhesive through being pulled in its upper surface; one layer of acrylic acid series protection coating is sprayed at the quick film surface of fusion pressure; above coating, cover lid layer PET isolating membrane, eventually pass cutting edge and bending rolling, make waterproof roll。
Preferably, described PET isolating membrane adopts electrostatic coating technique to be covered on acrylic acid protective layer。
The waterproof coiled material construction of the present invention adopts empty paving mode, by plastic sheet facing to ground or wall, can be aided with and be mechanically fixed；Its overlapping mode adopts hot-air double slit welding manner overlap joint。
When construction, waterproof roll throws off PET isolating membrane before casting concrete, directly by concreting on acrylic acid protective layer, treats that 7 days concrete of maintenance can realize full bonding with concrete surface after drying。
Detailed description of the invention
In the present invention, plastic sheet, hot-fusible pressure-sensitive adhesive, acrylic acid series isolated protective layer, PET is coated with silicon isolating membrane material etc. all can purchase the finished product on market, it is possible to prepare voluntarily, for instance each layer can adopt following method to prepare:
1. HDPE/LLDPE/TPE plastic sheet carrier processing technology described in:
(1) dispensing: weigh raw material components by formula respectively；
(2) batch mixing: add raw materials in homogenizer, temperature is 80 DEG C, incorporation time 10～15 minutes；
(3) blending extrusion: blending extrusion adopts single screw extrusion machine, the single feeding section of screw rod, melt zone, metering section temperature respectively 120 DEG C, 180 DEG C, 220 DEG C；
(4) molding: crossing draping filter after material is extruded and filter, melt metering pump supercharging pumps, and crosses T-shaped die head in blocks, then through three-roller calendar press polish molding；Or adopt blown-film die to form annular wafer, by cutting sizing open；
(5) cooling: adopt air cooling；
(6) rolling。
2. hot-fusible pressure-sensitive adhesive processing technology described in:
(1) dispensing: weigh raw material components by formula respectively；
(2) batch mixing: added in batches in kneader by raw material, temperature is 160 DEG C, incorporation time 80～120 minutes；
(3) melt extrude: melt extrude employing single screw extrusion machine, the single feeding section of screw rod, melt zone, metering section temperature respectively 80 DEG C, 120 DEG C, 140 DEG C；
(4) molding: crossing draping filter after material is extruded and filter, melt metering pump supercharging pumps, and crosses T-shaped die head and becomes homogeneous continuous print fluid；
(5) sizing: the coating fluid extruded by T-shaped die head is on the plastic sheet made；
(6) cooling: adopt air cooling。
3. acrylic acid isolated protective layer processing technology described in:
(1) dispensing: weigh raw material components by formula respectively；
(2) batch mixing: raw material is added in sand mill in batches, incorporation time 30～60 minutes；
(3) coating: adopt spraying equipment to uniformly spray on hot melt adhesive layer after the cooling period the emulsion mixed；
(4) cooling: adopt the dry cooling step by step of hot-air multistage。
Even if not adopting above-mentioned technique, and adopt other any viable process。
Embodiment 1
Extrusion blow molding processes is adopted to make the plastic sheet that fabric width is 2.0m; plastic sheet process is drawn and surface is uniformly coated with a layer thickness thereon is 0.35mm; width is the hot-fusible pressure-sensitive adhesive of 1.8m; film surface one layer of dried thickness of spraying is the acrylic acid series protection coating of 0.05mm; the two-sided painting silicon isolating membrane of lid layer is covered above coating; eventually passing cutting edge and bending rolling, the waterproof roll of the glue-free layer region of 10cm is respectively stayed in two edges processed。
Embodiment 2
Extrusion blow molding processes is adopted to make the plastic sheet that fabric width is 2.0m; plastic sheet process is drawn and surface is uniformly coated with a layer thickness thereon is 0.30mm; width is the hot-fusible pressure-sensitive adhesive of 1.9m; film surface one layer of dried thickness of spraying is the acrylic acid series protection coating of 0.08mm; the two-sided painting silicon isolating membrane of lid layer is covered above coating; eventually passing cutting edge and bending rolling, the waterproof roll of the glue-free layer region of 5cm is respectively stayed in two edges processed。
Embodiment 3
Extrusion blow molding processes is adopted to make the plastic sheet that fabric width is 2.0m; plastic sheet process is drawn and surface is uniformly coated with a layer thickness thereon is 0.45mm; width is the hot-fusible pressure-sensitive adhesive of 1.6m; film surface one layer of dried thickness of spraying is the acrylic acid series protection coating of 0.10mm; the two-sided painting silicon isolating membrane of lid layer is covered above coating; eventually passing cutting edge and bending rolling, the waterproof roll of the glue-free layer region of 20cm is respectively stayed in two edges processed。
By the product of above three embodiment, during construction, coiled material sky being laid on surface, overlap edge adopts hot-air double slit welding procedure。Throw off surface PET isolating membrane after paving, carry out reinforcing bar binding at protection coating surface subsequently, then casting concrete。
After concrete curing 7d, with rear pouring concrete peel strength test mode in employing GB/T23457-2009, it has been found that the structure of three embodiment products application, bonding peel strength is more than 2.5N/mm。
Claims (7)
1. a waterproof roll with pre-installed and inverted adhered function; it is characterized in that including plastic sheet, hot-fusible pressure-sensitive adhesive; acrylic acid series protection coating; PET is coated with silicon isolating membrane; with plastic sheet for carrier; scraping on plastic sheet and scribble hot-fusible pressure-sensitive adhesive, spray acrylic acid series protection coating on hot-fusible pressure-sensitive adhesive, the superiors adopt PET to be coated with silicon isolating membrane and cover；
Wherein, described acrylic acid series protection coating is mixed by the calcium carbonate of acrylic emulsion Yu grating; wherein also include one or more the mixture in ultraviolet absorber, light stabilizer, antioxidant, levelling agent as adjuvant; described acrylic emulsion is butyl acrylate, and the calcium carbonate of described grating is that 300 orders, 800 orders, 1500 orders form according to 1: 1: 1 grating；
The preparation method of the described waterproof roll with pre-installed and inverted adhered function; comprise the steps: to make plastic sheet initially with extrusion blow molding processes; plastic sheet is uniformly coated with one layer of hot-fusible pressure-sensitive adhesive through being pulled in its upper surface; in one layer of acrylic acid series protection coating of hot-fusible pressure-sensitive adhesive surface spraying; protect at acrylic acid series and above coating, cover lid layer PET painting silicon isolating membrane; eventually pass cutting edge and bending rolling, make waterproof roll；Described PET is coated with silicon isolating membrane and adopts electrostatic coating technique to be covered in acrylic acid series protection coating。
2. waterproof roll according to claim 1, it is characterised in that described plastic sheet is formed by high density polyethylene (HDPE)/linear low density polyethylene/thermoplastic elastomer (TPE) is composite。
3. waterproof roll according to claim 2, it is characterised in that described plastic sheet is made up of following ingredients, in mass fraction: high density polyethylene (HDPE) 50～90；Linear low density polyethylene 10～40；Thermoplastic elastomer (TPE) 0～10；Antioxidant 0.5～1.5；Age resistor 0.5～1.0；Coloring agent 2～5。
4. waterproof roll according to claim 1, it is characterised in that described hot-fusible pressure-sensitive adhesive is material of main part is the hot-fusible pressure-sensitive adhesive of SIS or SEPS。
5. waterproof roll according to claim 4, it is characterised in that described SIS hot-fusible pressure-sensitive adhesive or SEPS hot-fusible pressure-sensitive adhesive also comprise one or more the mixture in ultraviolet absorber, light stabilizer, antioxidant, plasticizer, rheologic additive。
6. waterproof roll according to claim 4, it is characterised in that the thickness of described hot-fusible pressure-sensitive adhesive is 0.30～0.50mm。
7. waterproof roll according to claim 1, it is characterised in that it is two-sided painting silicon weight off-type force isolating membrane that described PET is coated with silicon isolating membrane。
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| CN201310306309.9A CN103358635B (en) | 2013-07-19 | 2013-07-19 | A kind of waterproof roll with pre-installed and inverted adhered function and preparation method thereof |
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| CN201310306309.9A CN103358635B (en) | 2013-07-19 | 2013-07-19 | A kind of waterproof roll with pre-installed and inverted adhered function and preparation method thereof |
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| CN103358635B true CN103358635B (en) | 2016-06-22 |
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Inventor after: Li Weiguo Inventor after: Tian Fenglan Inventor after: Duan Wenfeng Inventor after: Li Hongying Inventor after: Liu Zhiwei Inventor after: Chen Yongchu Inventor after: Lu Yonglai Inventor before: Liu Zhiwei Inventor before: Tian Fenglan Inventor before: Duan Wenfeng |
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