CN103147424A - Non-asphaltic high polymer self-adhesive waterstop strip and preparation technology thereof - Google Patents
Non-asphaltic high polymer self-adhesive waterstop strip and preparation technology thereof Download PDFInfo
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- CN103147424A CN103147424A CN2013100813430A CN201310081343A CN103147424A CN 103147424 A CN103147424 A CN 103147424A CN 2013100813430 A CN2013100813430 A CN 2013100813430A CN 201310081343 A CN201310081343 A CN 201310081343A CN 103147424 A CN103147424 A CN 103147424A
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Abstract
The invention belongs to the technical field of waterstop and waterproof building materials, and discloses a non-asphaltic high polymer self-adhesive waterstop strip and a preparation technology thereof. The waterstop strip is mainly characterized in that the waterstop strip comprises a waterstop strip substrate, wherein ribs, waterstop areas and a deformation area are arranged on the waterstop strip substrate; the waterstop areas are hot applied with non-asphaltic high polymer self-adhesive glue; the non-asphaltic high polymer self-adhesive glue is covered with isolating films; and the non-asphaltic self-adhesive glue comprises SBS (styrene butadiene styrene) resin, SIS (styrene isoprene styrene) resin, a plasticizer (naphthenic oil), a tackifier (small molecular polyisobutene), a light absorber (titanium dioxide) and packing (calcium carbonate). The components of the non-asphaltic high polymer self-adhesive glue do not include volatile oily substances, so that adhesive stability is improved greatly, and the service life is prolonged; in addition, the raw materials of the non-asphaltic high polymer self-adhesive glue are high polymer materials and do not include hazardous substances easy to precipitate in water, so that risks of polluting and damaging underground water resources are decreased.
Description
Technical field
The invention belongs to building sealing waterproof and use the material technology field, relate in particular to a kind of non-pitch family macromolecule self-adhesion water stop band and preparation technology thereof who is applied to constuction joint, deformation joint, settlement joint in the engineerings such as water conservancy and hydropower, tunnel underground, civil air defense works, underground building.
Background technology
The self-adhering-type waterstop of using at present is to adopt the middle empty circular hole of section, two wing tip fish tail shapes, mesopore to the uniform little prominent rib structure of heterodoxy, and self-adhesive layer uses butyl putty and modified bitumen class bonding adhesive.Waterstop take butyl putty and modified bitumen class bonding adhesive as the self-adhesive layer material, its main performance index see Table 1 and table 2.
Contain the oily matters such as a large amount of pitch, machine oil in component due to butyl putty and modified bitumen class cementing agent, oil content can be volatilized in a large number under burning sun and high temperature action, in environment for use along with the prolongation of time, the oil content migration of also can further volatilizing, minimizing along with oil content, cementing agent will become dry firmly, and viscosity reduces.When the malformation seam is stressed, pulling force expands to rapidly the first riblet after circular hole, when distortion constantly increases, size decreases due to the first riblet, the back of rib first breaks away from concrete, and involves successively second rib, and even last fish tail section, so just cause seam to leak, even waterstop can be extracted from concrete in the situation of very big distortion.In formula due to butyl putty and modified bitumen class cementing agent, rubber modifier, high-quality reclaimed rubber are all arranged, the function additives such as its vulcanizing agent, accelerator and aging-proof agent, these auxiliary agents are all generally heavy metallic salts, in being arranged, uses for a long time the environment of water, heavy metallic salt will move out, and is soluble in water, causes groundwater pollution.
Summary of the invention
First technical problem that the present invention will solve just is to provide a kind of environment-friendly type non-pitch family macromolecule self-adhesion water stop band lasting with concrete binding.
For solving above-mentioned first technical problem, the technical solution used in the present invention is: a kind of non-pitch family macromolecule self-adhesion water stop band, comprise the waterstop base material, be provided with fin, sealing district and deformed area on the waterstop base material, the hot compress of sealing district has non-pitch family macromolecule self-adhesive, barrier film covers on non-pitch family macromolecule self-adhesive, and described non-pitch family macromolecule self-adhesive comprises the component of following weight portion:
SBS resin 22---28 weight portions
SIS resin 12---18 weight portions
Plasticizing agent 8---12 weight portions
Tackifier 45---55 weight portions
Light absorber 2---4 weight portions
Filler 1---3 weight portions.
Its additional technical feature is: described plasticizing agent is naphthenic oil, and tackifier are the small-molecular weight polyisobutene, and light absorber is titanium dioxide, and filler is calcium carbonate;
Described waterstop base material is natural rubber, ethylene propylene diene rubber, neoprene, ethylene-vinyl acetate, high density polyethylene (HDPE), low density polyethylene (LDPE) or haloflex.
Second technical problem that the present invention will solve just is to provide a kind of preparation technology of non-pitch family macromolecule self-adhesion water stop band.
For solving above-mentioned second technical problem, the technical solution used in the present invention comprises the steps:
The first step prepares non-pitch family macromolecule self-adhesive
At first with 8---12 weight portion plasticizing agent naphthenic oils are poured in reactor, start agitator, are heated to 170 ℃---and 190 ℃; Then---55 weight portion tackifier small-molecular weight polyisobutene, 22------18 weight portion SIS resins, 2---4 weight portion light absorber titanium dioxide and 1---are poured in reactor 28 weight portion SBS resins, 12 by 3 weight portion filler-calcium carbonates successively with 45, in the maintenance reactor, temperature is at 170 ℃---190 ℃, continuing 55 minutes---65 minutes; Close at last agitator, self-adhesive liquid is poured in mould, after waiting self-adhesive liquid cools to room temperature to solidify, the cutting self-adhesive becomes piece, wraps barrier paper;
Second step non-pitch family macromolecule self-adhesive and waterstop substrate forming
At first with the waterstop base material at 90 ℃---in the environment of 110 ℃, preheating is 3 minutes---5 minutes; The non-pitch family macromolecule of the one-tenth piece self-adhesive that then will prepare removes barrier paper and is heated to 170 ℃---and 190 ℃, in the sealing district that becomes the non-pitch family macromolecule of piece self-adhesive all to be coated to that the waterstop base material arranges after fusing; Then with ready barrier film mulching to the non-pitch family macromolecule self-adhesive zone of coating; The non-pitch family macromolecule self-adhesion water stop band that adopts at last the way of air-cooled or water-cooled to make is cooling, the storage of packing at last.
A kind of non-pitch family macromolecule self-adhesion water stop band provided by the invention, non-pitch family macromolecule self-adhesive compositing formula is SBS resin, SIS resin and small-molecular weight polyisobutene, do not contain volatile oily matter, greatly improve waterstop and concrete and used for a long time the reliable and stable of adhesive property, thereby the long-time stability of waterstop percolation-proof performance have been improved, extended the whole service life of structure, its physical performance index sees Table 3.The raw materials used macromolecular material that is of non-pitch family macromolecule self-adhesive, do not contain the hazardous substances that easy chance elutriation goes out, thereby reduced the risk to underground water resource pollution and destruction simultaneously, and its limits of harmful substances sees Table 4.
A kind of non-pitch family macromolecule self-adhesion water stop band provided by the invention firmly is bonded together waterstop base material and structural concrete by non-pitch family macromolecule self-adhesive, thereby has sealed the penetrating passage between waterstop and structural concrete.Non-pitch family macromolecule self-adhesive and fin acting in conjunction are anchored at the waterstop base material in structural concrete.The effect of deformed area is the flexible and vertical deformation that adapts to concrete structure.The effect of barrier film be mainly prevent that non-pitch family macromolecule self-adhesion water stop band is curling, inter-adhesive in packing and storing process, and then affect uncoiling and follow-up construction, and barrier film must be taken before concreting off.Buried, back sticking type during waterstop matrix structure form includes but not limited to.
Description of drawings
Fig. 1 is the structural representation of the waterstop base material of a kind of non-pitch family macromolecule self-adhesion water stop band of the present invention;
Fig. 2 is the structural representation of a kind of non-pitch family macromolecule self-adhesion water stop band of the present invention.
The specific embodiment
Below by the drawings and specific embodiments, a kind of non-pitch family macromolecule self-adhesion water stop band of the present invention and preparation technology thereof are described in further detail.
As shown in Figure 1, a kind of non-pitch family macromolecule self-adhesion water stop band of the present invention comprises waterstop base material 1, is provided with fin 2, sealing district 3 and deformed area 4 on waterstop base material 1.As shown in Figure 2, a kind of non-pitch family macromolecule self-adhesion water stop band of the present invention comprises waterstop base material 1, be provided with fin 2, sealing district 3 and deformed area 4 on waterstop base material 1,5 hot compresses of non-pitch family macromolecule self-adhesive are in sealing district 3, and barrier film 6 covers on the non-pitch family macromolecule self-adhesive 5 of hot compress.
A kind of preparation technology of non-pitch family macromolecule self-adhesion water stop band is as follows:
Step when a kind of non-pitch family macromolecule self-adhesion water stop band prepares is as follows:
The first step prepares non-pitch family macromolecule self-adhesive
At first 8 weight portion plasticizing agent naphthenic oils are poured in reactor, started agitator, be heated to 170 ℃; Then successively 45 weight portion tackifier small-molecular weight polyisobutene, 22 weight portion SBS resins, 12 weight portion SIS resins, 2 weight portion light absorber titanium dioxide and 1 weight portion filler-calcium carbonate are poured in reactor, in the maintenance reactor, temperature at 170 ℃ ℃, continues 55 minutes minutes; Close at last agitator, self-adhesive liquid is poured in mould, after waiting self-adhesive liquid cools to room temperature to solidify, the cutting self-adhesive becomes piece, wraps barrier paper;
Second step non-pitch family macromolecule self-adhesive and waterstop substrate forming
At first with the preheating 3 minutes in the environment of 90 ℃ of waterstop base material; The non-pitch family macromolecule of the one-tenth piece self-adhesive that then will prepare removes barrier paper and is heated to 170 ℃, in the sealing district that becomes the non-pitch family macromolecule of piece self-adhesive all to be coated to that the waterstop base material arranges after fusing; Then with ready barrier film mulching to the non-pitch family macromolecule self-adhesive zone of coating; The non-pitch family macromolecule self-adhesion water stop band that adopts at last the way of air-cooled or water-cooled to make is cooling, the storage of packing at last.
Step when a kind of non-pitch family macromolecule self-adhesion water stop band prepares is as follows:
The first step prepares non-pitch family macromolecule self-adhesive
At first 10 weight portion plasticizing agent naphthenic oils are poured in reactor, started agitator, be heated to 180 ℃; Then successively 50 weight portion tackifier small-molecular weight polyisobutene, 25 weight portion SBS resins, 15 weight portion SIS resins, 3 weight portion light absorber titanium dioxide and 2 weight portion filler-calcium carbonates are poured in reactor, in the maintenance reactor, temperature at 180 ℃, continues 60 minutes; Close at last agitator, self-adhesive liquid is poured in mould, after waiting self-adhesive liquid cools to room temperature to solidify, the cutting self-adhesive becomes piece, wraps barrier paper;
Second step non-pitch family macromolecule self-adhesive and waterstop substrate forming
At first with the preheating 4 minutes in the environment of 100 ℃ of waterstop base material; The non-pitch family macromolecule of the one-tenth piece self-adhesive that then will prepare removes barrier paper and is heated to 180 ℃, in the sealing district that becomes the non-pitch family macromolecule of piece self-adhesive all to be coated to that the waterstop base material arranges after fusing; Then with ready barrier film mulching to the non-pitch family macromolecule self-adhesive zone of coating; The non-pitch family macromolecule self-adhesion water stop band that adopts at last the way of air-cooled or water-cooled to make is cooling, the storage of packing at last.
Step when a kind of non-pitch family macromolecule self-adhesion water stop band prepares is as follows:
The first step prepares non-pitch family macromolecule self-adhesive
At first 12 weight portion plasticizing agent naphthenic oils are poured in reactor, started agitator, be heated to 190 ℃; Then successively 55 weight portion tackifier small-molecular weight polyisobutene, 28 weight portion SBS resins, 18 weight portion SIS resins, 4 weight portion light absorber titanium dioxide and 3 weight portion filler-calcium carbonates are poured in reactor, in the maintenance reactor, temperature at 190 ℃, continues 65 minutes; Close at last agitator, self-adhesive liquid is poured in mould, after waiting self-adhesive liquid cools to room temperature to solidify, the cutting self-adhesive becomes piece, wraps barrier paper;
Second step non-pitch family macromolecule self-adhesive and waterstop substrate forming
At first with the preheating 5 minutes in the environment of 110 ℃ of waterstop base material; The non-pitch family macromolecule of the one-tenth piece self-adhesive that then will prepare removes barrier paper and is heated to 190 ℃, in the sealing district that becomes the non-pitch family macromolecule of piece self-adhesive all to be coated to that the waterstop base material arranges after fusing; Then with ready barrier film mulching to the non-pitch family macromolecule self-adhesive zone of coating; The non-pitch family macromolecule self-adhesion water stop band that adopts at last the way of air-cooled or water-cooled to make is cooling, the storage of packing at last.
A kind of non-pitch family macromolecule self-adhesion water stop band provided by the invention firmly is bonded together waterstop base material 1 and structural concrete by non-pitch family macromolecule self-adhesive 5, thereby has sealed the penetrating passage between waterstop and structural concrete.Non-pitch family macromolecule self-adhesive 5 and fin 2 actings in conjunction are anchored at waterstop base material 1 in structural concrete.The effect of deformed area 4 is the flexible and vertical deformations that adapt to concrete structure.The effect of barrier film 6 be mainly prevent that non-pitch family macromolecule self-adhesion water stop band is curling, inter-adhesive in packing and storing process, and then affect uncoiling and follow-up construction, and barrier film 6 must be taken before concreting off.Buried, back sticking type during waterstop base material 1 form of structure includes but not limited to.
Construct with a kind of non-pitch family macromolecule self-adhesion water stop band provided by the invention, technique is simple, and is bonding firm, environmental protection.
Claims (4)
1. non-pitch family macromolecule self-adhesion water stop band, comprise the waterstop base material, be provided with fin, sealing district and deformed area on the waterstop base material, the hot compress of sealing district has non-pitch family macromolecule self-adhesive, barrier film covers on non-pitch family macromolecule self-adhesive, it is characterized in that: described non-pitch family macromolecule self-adhesive comprises the component of following weight portion:
SBS resin 22---28 weight portions
SIS resin 12---18 weight portions
Plasticizing agent 8---12 weight portions
Tackifier 45---55 weight portions
Light absorber 2---4 weight portions
Filler 1---3 weight portions.
2. a kind of non-pitch family macromolecule self-adhesion water stop band according to claim 1, it is characterized in that: described plasticizing agent is naphthenic oil, and tackifier are the small-molecular weight polyisobutene, and light absorber is titanium dioxide, and filler is calcium carbonate.
3. a kind of non-pitch family macromolecule self-adhesion water stop band according to claim 1, it is characterized in that: described waterstop base material is natural rubber, ethylene propylene diene rubber, neoprene, ethylene-vinyl acetate, high density polyethylene (HDPE), low density polyethylene (LDPE) or haloflex.
4. the preparation technology of claim 1 or 2 or 3 described a kind of non-pitch family macromolecule self-adhesion water stop bands, is characterized in that comprising the steps:
The first step prepares non-pitch family macromolecule self-adhesive
At first with 8---12 weight portion plasticizing agent naphthenic oils are poured in reactor, start agitator, are heated to 170 ℃---and 190 ℃; Then---55 weight portion tackifier small-molecular weight polyisobutene, 22------18 weight portion SIS resins, 2---4 weight portion light absorber titanium dioxide and 1---are poured in reactor 28 weight portion SBS resins, 12 by 3 weight portion filler-calcium carbonates successively with 45, in the maintenance reactor, temperature is at 170 ℃---190 ℃, continuing 55 minutes---65 minutes; Close at last agitator, self-adhesive liquid is poured in mould, after waiting self-adhesive liquid cools to room temperature to solidify, the cutting self-adhesive becomes piece, wraps barrier paper;
Second step non-pitch family macromolecule self-adhesive and waterstop substrate forming
At first with the waterstop base material at 90 ℃---in the environment of 110 ℃, preheating is 3 minutes---5 minutes; The non-pitch family macromolecule of the one-tenth piece self-adhesive that then will prepare removes barrier paper and is heated to 170 ℃---and 190 ℃, in the sealing district that becomes the non-pitch family macromolecule of piece self-adhesive all to be coated to that the waterstop base material arranges after fusing; Then with ready barrier film mulching to the non-pitch family macromolecule self-adhesive zone of coating; The non-pitch family macromolecule self-adhesion water stop band that adopts at last the way of air-cooled or water-cooled to make is cooling, the storage of packing at last.
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| CN201310081343.0A CN103147424B (en) | 2013-03-14 | 2013-03-14 | Non-asphaltic high polymer self-adhesive waterstop strip and preparation technology thereof |
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| CN103147424B CN103147424B (en) | 2015-01-07 |
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Cited By (11)
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| CN103334409A (en) * | 2013-07-16 | 2013-10-02 | 衡水中铁建工程橡胶有限责任公司 | Uncovering-free type macromolecule self-adhesion waterproof roll and preparing method thereof |
| CN103360663A (en) * | 2013-07-06 | 2013-10-23 | 云南海燕建设有限公司 | Waterproof roll of reactive sticky strong membrane and preparation method thereof |
| CN104789149A (en) * | 2015-04-26 | 2015-07-22 | 衡水中铁建工程橡胶有限责任公司 | Coupling agent modified reactive macromolecular self-adhesive water-stop belt and preparation process thereof |
| CN105295119A (en) * | 2014-07-12 | 2016-02-03 | 卢桂才 | Reaction type non-asphaltic base waterproof composition |
| CN105419700A (en) * | 2015-12-28 | 2016-03-23 | 深圳市同德新材料科技有限公司 | Hot-melt pressure-sensitive adhesive used for sealing brown paper/bubble bag and preparation method thereof |
| CN106194217A (en) * | 2016-08-10 | 2016-12-07 | 衡水新陆交通器材有限公司 | Back sticking type in buried CPE plastics waterstop and processing method |
| CN106947203A (en) * | 2017-04-27 | 2017-07-14 | 河北润石橡塑有限公司 | A kind of being folded without breaking rubber fastening band and its preparation technology |
| CN106947412A (en) * | 2017-04-19 | 2017-07-14 | 衡水大禹工程橡塑科技开发有限公司 | Macromolecule adhesive and can cohesive rubber fastening band |
| CN107044139A (en) * | 2016-12-21 | 2017-08-15 | 四川迈铁龙科技有限公司 | Self-adhering-type waterstop and production method |
| CN108824654A (en) * | 2018-07-06 | 2018-11-16 | 珠海华兴防水科技有限公司 | Steel mesh side rubber fastening band and its manufacturing process with self-adhesive layer |
| CN113322803A (en) * | 2021-05-10 | 2021-08-31 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103360663A (en) * | 2013-07-06 | 2013-10-23 | 云南海燕建设有限公司 | Waterproof roll of reactive sticky strong membrane and preparation method thereof |
| CN103360663B (en) * | 2013-07-06 | 2015-10-28 | 云南海燕建设有限公司 | Sticky powerful film waterproof roll of a kind of reaction and preparation method thereof |
| CN103334409A (en) * | 2013-07-16 | 2013-10-02 | 衡水中铁建工程橡胶有限责任公司 | Uncovering-free type macromolecule self-adhesion waterproof roll and preparing method thereof |
| CN105295119A (en) * | 2014-07-12 | 2016-02-03 | 卢桂才 | Reaction type non-asphaltic base waterproof composition |
| CN104789149A (en) * | 2015-04-26 | 2015-07-22 | 衡水中铁建工程橡胶有限责任公司 | Coupling agent modified reactive macromolecular self-adhesive water-stop belt and preparation process thereof |
| CN105419700A (en) * | 2015-12-28 | 2016-03-23 | 深圳市同德新材料科技有限公司 | Hot-melt pressure-sensitive adhesive used for sealing brown paper/bubble bag and preparation method thereof |
| CN106194217A (en) * | 2016-08-10 | 2016-12-07 | 衡水新陆交通器材有限公司 | Back sticking type in buried CPE plastics waterstop and processing method |
| CN107044139A (en) * | 2016-12-21 | 2017-08-15 | 四川迈铁龙科技有限公司 | Self-adhering-type waterstop and production method |
| CN106947412A (en) * | 2017-04-19 | 2017-07-14 | 衡水大禹工程橡塑科技开发有限公司 | Macromolecule adhesive and can cohesive rubber fastening band |
| CN106947203A (en) * | 2017-04-27 | 2017-07-14 | 河北润石橡塑有限公司 | A kind of being folded without breaking rubber fastening band and its preparation technology |
| CN106947203B (en) * | 2017-04-27 | 2019-03-08 | 河北润石橡塑有限公司 | A kind of being folded without breaking rubber fastening band and its preparation process |
| CN108824654A (en) * | 2018-07-06 | 2018-11-16 | 珠海华兴防水科技有限公司 | Steel mesh side rubber fastening band and its manufacturing process with self-adhesive layer |
| CN113322803A (en) * | 2021-05-10 | 2021-08-31 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
| CN113322803B (en) * | 2021-05-10 | 2023-03-10 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
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