CN102774057B - Macromolecule pre-laid waterproof coiled material - Google Patents
Macromolecule pre-laid waterproof coiled material Download PDFInfo
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- CN102774057B CN102774057B CN201210280004.0A CN201210280004A CN102774057B CN 102774057 B CN102774057 B CN 102774057B CN 201210280004 A CN201210280004 A CN 201210280004A CN 102774057 B CN102774057 B CN 102774057B
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- macromolecule
- carboxylic acid
- waterproof roll
- unsaturated carboxylic
- butyl rubber
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Abstract
The invention relates to a macromolecule pre-laid waterproof coiled material which comprises a sheet-shaped macromolecule base material and a macromolecule adhesive layer formed on the macromolecule base material; and the macromolecule pre-laid waterproof coiled material is characterized by further comprising a protective layer coated on the macromolecule adhesive layer, wherein the macromolecule base material is high-density polyethylene, and polyethylene glycol terephthalate or ethylene-vinyl acetate copolymer; synthetic rubber is the main component of the macromolecule base material; and the material of the protective layer is silicon-containing unsaturated carboxylic acid modified butyl rubber which is prepared by the steps of grafting unsaturated carboxylic acid on butyl rubber molecule and then mixing with active silica. The macromolecule pre-laid waterproof coiled material has good high and low-temperature resistance and high adhesion peeling strength, and is easy to construct.
Description
Technical field
The present invention relates to a kind of macromolecule for buildings waterproof field and overlay waterproof roll.
Background technology
Along with the acceleration of urbanization process, city more " length " is higher, more and more crowded, and also all the more seriously, limited land resource has been difficult to hold more population and construction, development activities to road traffic congestion phenomenon.So development and utilization Underground Space Resource becomes the inevitable choice of numerous urban development at present and in the future.The current underground space utilizes and relates to: underground commerce facility, underground parking station, groundwater reservoir, warehouse, subway, undergrond street, underpass etc.But the channeling water seepage in underground waterproof engineering and settlement influence remain a great problem of puzzlement waterproof expert and user.How for structural concrete provides directly completely sticky waterproofing protection to have challenge.
According to pre-laid method construction, liquid concrete is cast directly on coiled material, after concrete curing, formed between xoncrete structure and coiled material and combine, can prevent moisture from infiltrating the gap of waterproof roll and xoncrete structure, improve the reliability of waterproof system.But at present pre-installed and inverted adhered waterproof roll substantially be modified pitch class adhesive, such as CN101694114A, CN1900207, CN202023264U, CN2892857Y etc.What modified pitch adhesive was made overlays waterproof roll following shortcoming:
1, well-known pitch itself is a kind of hot-fluid cold-short material, therefore high temperature resistant the and poor performance at low temperatures of modified pitch class adhesive, and this makes troubles for summer and construction in winter;
2, the surperficial non-processor of coiled material, sticky pin, workman cannot in coiled material surface assembling reinforcement;
3, coiled material surface unprotect layer, as because of working-day claims, under the effect of ultraviolet and wind and rain, loses bonding effect and causes product rejection;
4, the bonding peel strength of modified pitch class adhesive is lower.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of macromolecule of improvement to overlay waterproof roll, and its high and low temperature resistance is good, bonding peel strength is high and easily construct.
For solving above technical problem, the present invention takes following technical scheme:
A kind of macromolecule overlays waterproof roll, comprise flaky polymer base material and be formed in the macromolecule adhesive layer on polymer base material, particularly, macromolecule overlays waterproof roll and also comprises the protective layer be covered on macromolecule adhesive layer, and the material of polymer base material is high density polyethylene (HDPE) (HDPE), PETG (PET) or ethylene-vinyl acetate copolymer (EVA); The bulk composition of described macromolecule adhesive layer is synthetic rubber; The material of protective layer is siliceous unsaturated carboxylic acid-modified butyl rubber, and this siliceous unsaturated carboxylic acid-modified butyl rubber is also mixed into active silica subsequently by grafting unsaturated carboxylic acid on butyl rubber molecules and obtains.
According to further embodiment of the present invention: described macromolecule adhesive layer is coated on polymer base material by macromolecule adhesive and is formed, macromolecule adhesive forms by synthetic rubber, plasticizer, tackifying resin, antioxidant, UV stabilizer and inorganic filler are blended.
Preferably, in described macromolecule adhesive, the content of each component is as follows: synthetic rubber 20% ~ 35%, plasticizer 10% ~ 25%, tackifying resin 40% ~ 55%, antioxidant 0.5% ~ 1%, UV stabilizer 0.5% ~ 1% and inorganic filler 10% ~ 15%.
Described plasticizer can be naphthene base crude oil, and tackifying resin can be such as hydrogenated petroleum resin, and antioxidant can be such as 1010,168, and UV stabilizer can be ultra-violet absorber UVP, and inorganic filler can be such as calcium carbonate
Described synthetic rubber can for being selected from one or more the combination in butadiene-styrene rubber, butyl rubber, Oppanol, ACM and thermoplastic elastomer rubbers.Wherein, thermoplastic elastomer rubbers comprises s-B-S (SBS), styrene-isoprene-phenylethene (SIS), styrene-ethylene-butylene-styrene (SEBS), styrene ethylene-propylene-styrene (SEPS) etc.
According to the present invention, described unsaturated carboxylic acid can for being selected from one or more the combination in maleic acid and acid anhydrides, acrylic acid and methacrylic acid.Active silica can for being selected from one or more the combination in SILICA FUME, precipitated silica, aerosil.It is active that active silica has potential hydration reaction, will with the calcium hydroxide generation hydration reaction in cement, and the hydrated calcium silicate of generation makes the intensity of boundary layer improve further.Usually, in siliceous unsaturated carboxylic acid-modified butyl rubber: the weight of silica is 50% ~ 100% of the weight of butyl rubber, the weight of carboxylic acid monomer is 10% ~ 15% of the weight of butyl rubber.
According to a concrete aspect of the present invention, the preparation method of described siliceous unsaturated carboxylic acid-modified butyl rubber is: make butyl rubber and unsaturated carboxylic acid in the presence of a free-radical initiator, insulation reaction 1 ~ 3 hour in a solvent and at temperature 60 C ~ 80 DEG C, add active silica, mixing, obtains the solution of siliceous unsaturated carboxylic acid-modified butyl rubber.Wherein solvent can be beneficial to arbitrarily the solvent such as toluene reacting and carry out.Described protective layer to be coated on macromolecule adhesive layer and drying forming gained by the solution of described siliceous unsaturated carboxylic acid-modified butyl rubber.Described radical initiator can for being selected from one or more the combination in TBHP, dibenzoyl peroxide and azodiisobutyronitrile.
According to the present invention, the thickness of described polymer base material is generally 1 ~ 1.5mm; The thickness of macromolecule adhesive is generally 0.5mm ~ 1mm; The thickness of protective layer is 50 μm ~ 70 μm.
Due to the utilization of technique scheme, the present invention compared with prior art tool has the following advantages:
1, in the present invention, the bulk composition of macromolecule adhesive is synthetic rubber, while the shortcoming avoiding modified pitch class adhesive high and low temperature resistance difference in the past, improves the stripping adhesive property with xoncrete structure.
2, the present invention is also provided with protective layer, on the one hand, contain in protective layer be grafted on carboxylic acid monomer on butyl rubber can with concrete in produce cation and anion exchange, reach and the bonding on concrete molecular level; Meanwhile, the calcium ion in the silanol key of the reactive silica silicon face added and concrete produces chemical reaction, strengthens overlaying coiled material and concrete bonding, reaches collaborative bond effect; On the other hand, after protective layer is coated to macromolecule adhesive surface, workman just in coiled material surface assembling reinforcement, can prevent sticky pin; Protective layer can also be avoided because of working-day claims, under the effect of ultraviolet and wind and rain, overlays coiled material and loses bonding effect.
Accompanying drawing explanation
Fig. 1 is the structural representation that macromolecule according to the present invention overlays waterproof roll;
Wherein: 1, polymer base material; 2, macromolecule adhesive layer; 3, protective layer.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described in detail, but the present invention is not limited to following examples.
Embodiment 1
The present embodiment provides a kind of macromolecule to overlay waterproof roll.As shown in Figure 1, macromolecule overlays waterproof roll and has three-decker.Specifically, macromolecule overlays the protective layer 3 that waterproof roll comprises polymer base material 1, is covered in the macromolecule adhesive layer 2 on described polymer base material and is covered on macromolecule adhesive layer 2.
Polymer base material 1 is be mixed into double screw extruder by pellets of high density polyethylene by high low speed to make through die head sizing the waterproof sheet that thickness is 1.0mm.Control each zone temperatures of double screw extruder, feeding section temperature is room temperature, 90 ~ 140 DEG C, compression section, metering section 180 DEG C.
The formation method of macromolecule adhesive layer 2 is: according to SBS rubber: naphthenic oil: hydrogenated petroleum resin=10: the part by weight of 5: 12, antioxidant 1010, UV stabilizer UVP and calcium carbonate join in screw extruder feeding machine according to 5 ‰, 7 ‰, 10% of total amount, control each zone temperatures of double screw extruder, feeding section temperature is room temperature ~ 40 DEG C, 90 ~ 100 DEG C, compression section, metering section 80 ~ 90 DEG C, is coated on polymer base material 1 by extruding dies.
The material of protective layer 3 is siliceous unsaturated carboxylic acid-modified butyl rubber, and its formation method is as follows:
In a kettle., add 10 parts of (weight) butyl rubbers, 268,1 part of methacrylic acid, 0.5 part of benzoyl peroxide (BPO), 90 parts of toluene, after rubber and other auxiliary agent dissolve completely, 70 DEG C of graft modifications after 3 hours, add 10 parts of aerosils (Degussa A200), mixing, obtain the solution of siliceous unsaturated carboxylic acid-modified butyl rubber, be coated on macromolecule glue adhesion coating 2, thickness is about 50 μm, drying forming, to obtain final product.
Embodiment 2
The present embodiment provides a kind of macromolecule to overlay waterproof roll, and its structure is with embodiment 1.Unlike, wherein:
Polymer base material 1 is be mixed into double screw extruder by PETG by high low speed to make through die head sizing the waterproof sheet that thickness is 1.0mm.Control each zone temperatures of double screw extruder, feeding section temperature is room temperature, 90 ~ 140 DEG C, compression section, metering section 180 DEG C.
The formation method of macromolecule adhesive layer 2 is: according to Oppanol: naphthenic oil: hydrogenated petroleum resin=10: the part by weight of 5: 12, antioxidant 1010, UV stabilizer UVP and calcium carbonate join in screw extruder feeding machine according to 5 ‰, 7 ‰, 10% of total amount, control each zone temperatures of double screw extruder, feeding section temperature is room temperature ~ 40 DEG C, 90 ~ 100 DEG C, compression section, metering section 80 ~ 90 DEG C, is coated on polymer base material 1 by extruding dies.
The material of protective layer 3 is siliceous unsaturated carboxylic acid-modified butyl rubber; its formation method is as follows: in a kettle.; add 10 parts of (weight) butyl rubbers, 268,1 part of methacrylic acid, 0.5 part of benzoyl peroxide (BPO), 90 parts of toluene; after rubber and other auxiliary agent dissolve completely; 70 DEG C of graft modifications 3 hours; be coated on macromolecule glue adhesion coating after obtaining containing, thickness is about 50 μm, drying forming.
In a kettle., add 10 parts of (weight) butyl rubbers, 268,1 part of methacrylic acid, 0.5 part of benzoyl peroxide (BPO), 90 parts of toluene, after rubber and other auxiliary agent dissolve completely, 70 DEG C of graft modifications after 3 hours, add 10 parts of aerosils (Degussa A200), mixing, obtain the solution containing siliceous unsaturated carboxylic acid-modified butyl rubber, be coated in macromolecule glue adhesion coating 2, thickness is about 50 μm, drying forming, to obtain final product.
Comparative example 1
This comparative example provides a kind of macromolecule to overlay waterproof roll, and its structure is with embodiment 1.Unlike, wherein: the material of protective layer 3 is not siliceous unsaturated carboxylic acid-modified butyl rubber, and the formation method of protective layer 3 is as follows:
In a kettle., add 10 parts of (weight portion) butyl rubbers, 268,1 part of methacrylic acid, 0.5 part of benzoyl peroxide (BPO), 90 parts of toluene, after rubber and other auxiliary agent dissolve completely, be coated in after 3 hours on macromolecule glue adhesion coating 70 DEG C of graft modifications, thickness is about 50 μm, drying forming.
Comparative example 2
This comparative example provides a kind of macromolecule to overlay waterproof roll, and its structure is with embodiment 1.Unlike, wherein: the material of protective layer 3 is butyl rubber, and the formation method of protective layer 3 is as follows: be dissolved in 90 parts of toluene by 10 parts of (weight portion) butyl rubbers 268, be coated on macromolecule glue adhesion coating, thickness is about 50 μm, drying forming.
According to GB/T23457-2009 standard, the macromolecule of embodiment 1 ~ 2 and comparative example 1 ~ 2 is overlay to heat resistance, the low temperature flexibility of waterproof roll and tests with rear pouring concrete peel strength, and result is see table 1.
Table 1
Data from table 1, in comparative example 2 for the formation of the butyl rubber of protective layer without any modification, make itself and the basic soap-free emulsion polymeization of rear pouring concrete.In comparative example 1 for the formation of the butyl rubber of protective layer through the graft modification of methacrylic acid polar monomer; in methacrylic acid polar monomer and concrete, calcium ion produces cation and anion exchange; reach and the bonding on concrete molecular level, peel strength value reaches 3.5N/mm.Compare comparative example 2 according to the waterproof roll of embodiments of the invention 1 and 2 and rear pouring concrete peel strength to improve further again, this is that the silanol key in the active silica owing to adding and the calcium ion in concrete produce chemical reaction, strengthen again overlaying coiled material and concrete bonding, reach collaborative bond effect.Therefore, macromolecule according to the present invention overlays waterproof roll and has excellent physical and mechanical property, is conducive to applying.
Claims (9)
1. a macromolecule overlays waterproof roll, comprise flaky polymer base material (1) and be formed in the macromolecule adhesive layer (2) on described polymer base material (1), it is characterized in that: described macromolecule overlays waterproof roll and also comprises the protective layer (3) be covered on described macromolecule adhesive layer (2), and the material of described polymer base material (1) is high density polyethylene (HDPE), PETG or ethylene-vinyl acetate copolymer; The bulk composition of described macromolecule adhesive layer (2) is synthetic rubber; The material of described protective layer (3) is siliceous unsaturated carboxylic acid-modified butyl rubber; described siliceous unsaturated carboxylic acid-modified butyl rubber is also mixed into active silica subsequently by grafting unsaturated carboxylic acid on butyl rubber molecules and obtains; described active silica is aerosil, and the silanol key on its surface can produce chemical reaction with the calcium ion in concrete.
2. macromolecule according to claim 1 overlays waterproof roll, it is characterized in that: described macromolecule adhesive layer (2) is coated in described polymer base material (1) by macromolecule adhesive and is above formed, and described macromolecule adhesive forms by synthetic rubber, plasticizer, tackifying resin, antioxidant, UV stabilizer and inorganic filler are blended.
3. macromolecule according to claim 2 overlays waterproof roll, it is characterized in that: in described macromolecule adhesive, the content of each component is as follows: synthetic rubber 20% ~ 35%, plasticizer 10% ~ 25%, tackifying resin 40% ~ 55%, antioxidant 0.5% ~ 1%, UV stabilizer 0.5% ~ 1% and inorganic filler 10% ~ 15%.
4. the macromolecule according to Claims 2 or 3 overlays waterproof roll, it is characterized in that: described synthetic rubber is one or more the combination be selected from butadiene-styrene rubber, butyl rubber, Oppanol, ACM and thermoplastic elastomer rubbers.
5. macromolecule according to claim 1 overlays waterproof roll, it is characterized in that: described unsaturated carboxylic acid is be selected from one or more the combination in maleic acid and acid anhydrides, acrylic acid and methacrylic acid.
6. macromolecule overlays waterproof roll according to claim 1 or 5, it is characterized in that: the preparation method of described siliceous unsaturated carboxylic acid-modified butyl rubber is: make butyl rubber and unsaturated carboxylic acid in the presence of a free-radical initiator, insulation reaction 1 ~ 3 hour in a solvent and at temperature 60 C ~ 80 DEG C, add active silica, mixing, obtains the solution of described siliceous unsaturated carboxylic acid-modified butyl rubber.
7. macromolecule according to claim 6 overlays waterproof roll, it is characterized in that: described protective layer (3) is coated in the upper also drying forming gained of described macromolecule adhesive layer (2) by the solution of described siliceous unsaturated carboxylic acid-modified butyl rubber.
8. macromolecule according to claim 6 overlays waterproof roll, it is characterized in that: described radical initiator is one or more the combination be selected from TBHP, dibenzoyl peroxide and azodiisobutyronitrile.
9. the macromolecule any one of claims 1 to 3 described in claim overlays waterproof roll, it is characterized in that: the thickness of described polymer base material (1) is 1 ~ 1.5mm; The thickness of macromolecule adhesive layer (2) is 0.5mm ~ 1mm; The thickness of protective layer (3) is 50 μm ~ 70 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210280004.0A CN102774057B (en) | 2012-08-08 | 2012-08-08 | Macromolecule pre-laid waterproof coiled material |
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| CN201210280004.0A CN102774057B (en) | 2012-08-08 | 2012-08-08 | Macromolecule pre-laid waterproof coiled material |
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| CN102774057A CN102774057A (en) | 2012-11-14 |
| CN102774057B true CN102774057B (en) | 2015-04-22 |
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| CN112920741B (en) * | 2021-01-29 | 2022-08-23 | 西诺瑞特新材料(上海)有限公司 | Hot melt adhesive for lap joint of pre-laid coiled materials and preparation method thereof |
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