CN106739343A - A kind of preparation method of concrete water-saving moist keeping maintenance film - Google Patents
A kind of preparation method of concrete water-saving moist keeping maintenance film Download PDFInfo
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- CN106739343A CN106739343A CN201611083084.5A CN201611083084A CN106739343A CN 106739343 A CN106739343 A CN 106739343A CN 201611083084 A CN201611083084 A CN 201611083084A CN 106739343 A CN106739343 A CN 106739343A
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- film
- water
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- concrete water
- moist keeping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The present invention relates to a kind of preparation method of concrete water-saving moist keeping maintenance film.A kind of preparation method of concrete water-saving moist keeping maintenance film, comprises the following steps：Acrylic acid (AA), acrylamide (AM), N are taken, the methylene-bisacrylamides of N ' (NMBA), potassium peroxydisulfate (KPS), NaOH, absolute ethyl alcohol, hydrochloric acid, KH570 is standby, and above raw material is commercially available；A kind of concrete water-saving moist keeping maintenance film prepared by the method for the invention, using high water absorption slurries, curing film has a good reusability, and after repeating water suction 8 times, its recovery rate is 80%.
Description
Technical field
The present invention relates to a kind of preparation method of concrete water-saving moist keeping maintenance film.
Background technology
At the initial stage that pours because aquation heat effect can occur various contraction distortions, this is accomplished by taking appropriate retaining concrete
Insulation.Current concrete routine maintenance process has wet burlap, sealing compound, spraying (watering), film etc. to conserve coverage mode,
But all there is many disadvantages, and be not suitable for high temperature and drought area, thus concrete water-saving moist keeping maintenance film arises at the historic moment.Coagulation
Native water-saving moist keeping maintenance film be one kind be covered in concrete surface, with continuous fluid-tight seal film layer material, it is inhaled with height
Water material be core, with plastic sheeting as carrier, can be not only used for newly-laid concrete health, it can also be used to after form removal concrete after
Continuous health, has the advantages that high power water saving, is effectively incubated, effectively suppresses microcrack.
At present, the research to water-saving moist keeping maintenance film focuses mostly in terms of performance test, multiplex high hydroscopic resin (SAP) or
High water-absorption fiber (SAF) is used as water supply layer, but powdered SAP difficulty of processing is big, difficult treatment, and high water-absorption fiber needs complexity
Spinning equipment, production cost it is high.It is not enough in order to make up the above, it is with homemade high water absorbing and retaining performances slurries that viscose glue is non-woven herein
Cloth carries out water supply layer (curing film base fabric) of the water imbibition treatment in this, as curing film, then is covered with PET film, is made curing film examination
Sample.The influence that heat pressing process is used for performance is discussed, and its structure is characterized, be concrete water-saving moisture-keeping maintaining
The theoretical research of film lays the foundation.
The content of the invention
The present invention proposes a kind of preparation method of concrete water-saving moist keeping maintenance film.
A kind of preparation method of concrete water-saving moist keeping maintenance film, comprises the following steps：
（1）Take acrylic acid (AA), acrylamide (AM), N, the methylene-bisacrylamides of N ' (NMBA), potassium peroxydisulfate
(KPS), NaOH, absolute ethyl alcohol, hydrochloric acid, KH570 are standby, and above raw material is commercially available；
（2）Solvent is made with distilled water, acrylic acid is neutralized with NaOH part in beaker, wherein degree of neutralization is 70%, successively
Crosslinking agent, acrylamide and modified nano kaoline fine powder are added, is poured into flask after stirring；
（3）In step（2）Initiator potassium persulfate is added in mixture, high water absorption slurries are obtained after polymerisation 3h；
（4）Viscose glue non-weaving cloth is processed with slurry again, unnecessary slurries are rolled with padding machine, wherein treating that liquid rate is 200-
800%；
（5）By step（4）Viscose glue non-weaving cloth obtains curing film base fabric after baking；
（6）The special overlay film glue one side of polyacrylate is coated uniformly on curing film scrim surfaces, the PET of formed objects is covered with
Film, after vulcanizing press is warming up to required temperature and stabilization, by its hot pressing 15 minutes, is rapidly cooled to 4 Celsius after hot rolling
Degree, solidification, obtains final product required curing film.
Preferably, the step（4）Viscose glue non-weaving cloth is first immersed in ordinary tap water, stands 6 hours, is fully inhaled
Water, after being taken out after saturation, is placed in 200 eye mesh screens and is swum to drip-dry surface, is subsequently placed in 80 DEG C of constant temperature blast drying oven
Dry to anhydrous rear taking-up.
Preferably, the step（4）In treat liquid rate be 500%.
A kind of concrete water-saving moist keeping maintenance film prepared by the method for the invention, using high water absorption slurries, curing film tool
There is a good reusability, after repeating water suction 8 times, its recovery rate is 80%.
Specific embodiment
Embodiment 1.
A kind of preparation method of concrete water-saving moist keeping maintenance film, comprises the following steps：
（1）Take acrylic acid (AA), acrylamide (AM), N, the methylene-bisacrylamides of N ' (NMBA), potassium peroxydisulfate
(KPS), NaOH, absolute ethyl alcohol, hydrochloric acid, KH570 are standby, and above raw material is commercially available；
（2）Solvent is made with distilled water, acrylic acid is neutralized with NaOH part in beaker, wherein degree of neutralization is 70%, successively
Crosslinking agent, acrylamide and modified nano kaoline fine powder are added, is poured into flask after stirring；
（3）In step（2）Initiator potassium persulfate is added in mixture, high water absorption slurries are obtained after polymerisation 3h；
（4）Viscose glue non-weaving cloth is processed with slurry again, unnecessary slurries are rolled with padding machine, wherein treating that liquid rate is 200-
800%；
（5）By step（4）Viscose glue non-weaving cloth obtains curing film base fabric after baking；
（6）The special overlay film glue one side of polyacrylate is coated uniformly on curing film scrim surfaces, the PET of formed objects is covered with
Film, after vulcanizing press is warming up to required temperature and stabilization, by its hot pressing 15 minutes, is rapidly cooled to 4 Celsius after hot rolling
Degree, solidification, obtains final product required curing film.
Embodiment 2.
A kind of preparation method of concrete water-saving moist keeping maintenance film, comprises the following steps：
（1）Take acrylic acid (AA), acrylamide (AM), N, the methylene-bisacrylamides of N ' (NMBA), potassium peroxydisulfate (KPS),
NaOH, absolute ethyl alcohol, hydrochloric acid, KH570 are standby, and above raw material is commercially available；
（2）Solvent is made with distilled water, acrylic acid is neutralized with NaOH part in beaker, wherein degree of neutralization is 70%, successively
Crosslinking agent, acrylamide and modified nano kaoline fine powder are added, is poured into flask after stirring；
（3）In step（2）Initiator potassium persulfate is added in mixture, high water absorption slurries are obtained after polymerisation 3h；
（4）Viscose glue non-weaving cloth is first immersed in ordinary tap water, 6 hours are stood, fully water suction, after being taken out after saturation, put
Swum to drip-dry surface in 200 eye mesh screens, drying is taken out afterwards to anhydrous in being subsequently placed in 80 DEG C of constant temperature blast drying oven；
（5）Viscose glue non-weaving cloth is processed with slurry again, unnecessary slurries are rolled with padding machine, wherein treating that liquid rate is 200-
800%；
（6）By step（4）Viscose glue non-weaving cloth obtains curing film base fabric after baking；
（7）The special overlay film glue one side of polyacrylate is coated uniformly on curing film scrim surfaces, the PET of formed objects is covered with
Film, after vulcanizing press is warming up to required temperature and stabilization, by its hot pressing 15 minutes, is rapidly cooled to 4 Celsius after hot rolling
Degree, solidification, obtains final product required curing film.
Embodiment 3.
A kind of preparation method of concrete water-saving moist keeping maintenance film, comprises the following steps：
（1）Take acrylic acid (AA), acrylamide (AM), N, the methylene-bisacrylamides of N ' (NMBA), potassium peroxydisulfate (KPS),
NaOH, absolute ethyl alcohol, hydrochloric acid, KH570 are standby, and above raw material is commercially available；
（2）Solvent is made with distilled water, acrylic acid is neutralized with NaOH part in beaker, wherein degree of neutralization is 70%, successively
Crosslinking agent, acrylamide and modified nano kaoline fine powder are added, is poured into flask after stirring；
（3）In step（2）Initiator potassium persulfate is added in mixture, high water absorption slurries are obtained after polymerisation 3h；
（4）Viscose glue non-weaving cloth is first immersed in ordinary tap water, 6 hours are stood, fully water suction, after being taken out after saturation, put
Swum to drip-dry surface in 200 eye mesh screens, drying is taken out afterwards to anhydrous in being subsequently placed in 80 DEG C of constant temperature blast drying oven；
（5）Viscose glue non-weaving cloth is processed with slurry again, unnecessary slurries are rolled with padding machine, wherein treating that liquid rate is 500%；
（6）By step（4）Viscose glue non-weaving cloth obtains curing film base fabric after baking；
（7）The special overlay film glue one side of polyacrylate is coated uniformly on curing film scrim surfaces, the PET of formed objects is covered with
Film, after vulcanizing press is warming up to required temperature and stabilization, by its hot pressing 15 minutes, is rapidly cooled to 4 Celsius after hot rolling
Degree, solidification, obtains final product required curing film.
Claims (3)
1. a kind of preparation method of concrete water-saving moist keeping maintenance film, it is characterised in that comprise the following steps：
（1）Take acrylic acid (AA), acrylamide (AM), N, the methylene-bisacrylamides of N ' (NMBA), potassium peroxydisulfate (KPS),
NaOH, absolute ethyl alcohol, hydrochloric acid, KH570 are standby, and above raw material is commercially available；
（2）Solvent is made with distilled water, acrylic acid is neutralized with NaOH part in beaker, wherein degree of neutralization is 70%, successively
Crosslinking agent, acrylamide and modified nano kaoline fine powder are added, is poured into flask after stirring；
（3）In step（2）Initiator potassium persulfate is added in mixture, high water absorption slurries are obtained after polymerisation 3h；
（4）Viscose glue non-weaving cloth is processed with slurry again, unnecessary slurries are rolled with padding machine, wherein treating that liquid rate is 200-
800%；
（5）By step（4）Viscose glue non-weaving cloth obtains curing film base fabric after baking；
（6）The special overlay film glue one side of polyacrylate is coated uniformly on curing film scrim surfaces, the PET of formed objects is covered with
Film, after vulcanizing press is warming up to required temperature and stabilization, by its hot pressing 15 minutes, is rapidly cooled to 4 Celsius after hot rolling
Degree, solidification, obtains final product required curing film.
2. a kind of preparation method of concrete water-saving moist keeping maintenance film, it is characterised in that the step（4）Viscose glue non-weaving cloth elder generation
It is immersed in ordinary tap water, stands 6 hours, fully water suction, after being taken out after saturation, is placed in 200 eye mesh screens to drip-dry surface
Swim, drying is taken out afterwards to anhydrous in being subsequently placed in 80 DEG C of constant temperature blast drying oven.
3. a kind of preparation method of concrete water-saving moist keeping maintenance film, it is characterised in that the step（4）In treat that liquid rate is
500%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083084.5A CN106739343A (en) | 2016-11-30 | 2016-11-30 | A kind of preparation method of concrete water-saving moist keeping maintenance film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083084.5A CN106739343A (en) | 2016-11-30 | 2016-11-30 | A kind of preparation method of concrete water-saving moist keeping maintenance film |
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| CN106739343A true CN106739343A (en) | 2017-05-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180049A (en) * | 2018-09-17 | 2019-01-11 | 佛山朝鸿新材料科技有限公司 | A kind of preparation method of cement moisturizing material |
| CN110173122A (en) * | 2019-05-06 | 2019-08-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | It is a kind of can dense surface enhancing the compound maintenance process of concrete heat-insulating moisturizing |
| CN110195516A (en) * | 2019-05-07 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of three-dimensional concrete heat-insulating moisturizing elastic composite curing film |
| CN112976269A (en) * | 2021-02-07 | 2021-06-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Concrete efficient moisturizing maintenance blanket and production process thereof |
-
2016
- 2016-11-30 CN CN201611083084.5A patent/CN106739343A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180049A (en) * | 2018-09-17 | 2019-01-11 | 佛山朝鸿新材料科技有限公司 | A kind of preparation method of cement moisturizing material |
| CN110173122A (en) * | 2019-05-06 | 2019-08-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | It is a kind of can dense surface enhancing the compound maintenance process of concrete heat-insulating moisturizing |
| CN110173122B (en) * | 2019-05-06 | 2021-11-12 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Concrete heat-preservation and moisture-retention compound curing method capable of realizing surface compaction and reinforcement |
| CN110195516A (en) * | 2019-05-07 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of three-dimensional concrete heat-insulating moisturizing elastic composite curing film |
| CN112976269A (en) * | 2021-02-07 | 2021-06-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Concrete efficient moisturizing maintenance blanket and production process thereof |
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Application publication date: 20170531 |