CN110802898A - Production method of full-shading curtain composite fabric - Google Patents

Production method of full-shading curtain composite fabric Download PDF

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Publication number
CN110802898A
CN110802898A CN201911057090.7A CN201911057090A CN110802898A CN 110802898 A CN110802898 A CN 110802898A CN 201911057090 A CN201911057090 A CN 201911057090A CN 110802898 A CN110802898 A CN 110802898A
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China
Prior art keywords
hot
layer
parts
base fabric
full
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CN201911057090.7A
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Chinese (zh)
Inventor
向海军
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Haining Sanxian Textile Co Ltd
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Haining Sanxian Textile Co Ltd
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Priority to CN201911057090.7A priority Critical patent/CN110802898A/en
Publication of CN110802898A publication Critical patent/CN110802898A/en
Priority to PCT/CN2020/000220 priority patent/WO2021077624A1/en
Pending legal-status Critical Current

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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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H23/00—Curtains; Draperies
    • A47H23/02—Shapes of curtains; Selection of particular materials for curtains
    • A47H23/08—Selection of particular materials
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B37/1284—Application of adhesive
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    • B32B38/18—Handling of layers or the laminate
    • B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
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    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • 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
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • 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
    • B32B2307/71—Resistive to light or to UV
    • 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
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • B32B2601/00—Upholstery
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2489/00—Characterised by the use of proteins; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids

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  • Engineering & Computer Science (AREA)
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  • Manufacturing & Machinery (AREA)
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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a production method of a full-shading curtain composite fabric, wherein the full-shading curtain composite fabric comprises a first base fabric layer, a first adhesive layer, a TPU black shading film, a second adhesive layer, a second base fabric layer, and patterns formed by embossing on the surfaces of the first base fabric layer and the second base fabric layer. The production method comprises the following steps: treating base cloth, preparing a TPU black shading film, carrying out hot-pressing compounding in the first step, and carrying out hot-pressing compounding in the second step. The invention relates to a production method of a full-shading curtain composite fabric, which is characterized in that a TPU black shading film is produced by an extrusion blow molding method, then the TPU black shading film is subjected to hot-pressing compounding with a first base fabric subjected to oil removal and decontamination treatment, and then the TPU black shading film is subjected to hot-pressing compounding with a second base fabric layer, so that the whole production process is environment-friendly and pollution-free. And phenyl salicylate and titanium dioxide are used in the TPU black shading film, so that the TPU black shading film has good ultraviolet resistance and aging resistance. And also has good heat and sound insulation effects.

Description

Production method of full-shading curtain composite fabric
Technical Field
The invention relates to the technical field of shading roller shutters and fabric art shutters, in particular to a production method of a full shading curtain composite fabric.
Background
The shading effect is achieved in a way of coating for multiple times in the manufacturing method of the conventional shading roller shutter and the cloth curtain. But the coating process has the environmental protection problems of waste gas and waste water pollution, and the ecological environment can be seriously damaged; and the multiple coating also has overlarge production energy consumption and cost. And the roller shutter or the cloth curtain prepared in the prior art can not be washed, dry-cleaned and ironed, so that the existing roller shutter or cloth curtain has the problem of cleaning. And the prior use process has weak ultraviolet resistance and insufficient aging resistance. And the shading effect of the existing full-shading curtain composite fabric cannot reach 100 percent of full shading.
Disclosure of Invention
The invention aims to provide a production method of a full-shading curtain composite fabric, which ensures that the whole production process has no stain and realizes environment-friendly production; the prepared light-shading curtain not only has 100 percent of light shading, but also has the advantages of heat insulation, sound insulation, ultraviolet resistance and aging resistance for more than 10 years.
In order to solve the technical problem, the invention aims to realize that:
the invention relates to a production method of a full-shading curtain composite fabric, which comprises a first base fabric layer, a TPU black shading film and a second base fabric layer; the first base cloth layer and the shading film are compounded through a first adhesive layer; the second base fabric layer and the TPU black shading film are compounded through a second adhesive layer; the surfaces of the first base cloth layer and the second base cloth layer are provided with patterns formed by embossing;
the production method comprises the following steps:
(I) treating base cloth: preprocessing the fabrics selected by the first base fabric layer and the second base fabric layer;
(II) preparing a TPU black shading film: the TPU black shading film contains 30-50 parts of polyurethane, 8-12 parts of low-density polyethylene, 20 parts of carbon black, 30-50 parts of opalescent agent, 8 parts of titanium dioxide, 10-20 parts of nano gelatin micro-beads and 5-8 parts of phenyl salicylate; the parts are parts by mass;
(III) first-step hot-pressing compounding: coating acrylic resin on one side of the first base cloth layer by using hot-pressing compounding equipment to serve as a first bonding layer, and carrying out hot pressing at the temperature of 130-180 ℃ to compound the TPU black shading film and the first base cloth layer in a hot-pressing manner; carrying out embossing treatment while carrying out hot-press compounding, and forming a set pattern on the surface of the first base fabric layer;
(IV) hot-pressing compounding in the second step: coating acrylic resin on the surface of the second base cloth layer by using hot-pressing compounding equipment to serve as a second bonding layer, and carrying out hot pressing at the temperature of 130-180 ℃ to compound one side of the TPU black shading film of the composite fabric prepared in the last step with the second base cloth layer in a hot-pressing manner; and carrying out embossing treatment while carrying out hot-press compounding, and forming a set pattern on the surface of the second base fabric layer.
As a further illustration of the above scheme, the treatment of the base cloth is to remove oil and dirt from the base cloth.
As a further explanation of the above-mentioned scheme, the area density of the black-and-white light-shielding film formed is 40 to 50 grams per square meter.
As a further explanation of the above-mentioned scheme, the coating amount of the acrylic resin in the step (three) and the step (four) is 7 to 10 g per square meter.
As a further explanation of the above-mentioned embodiment, the pressure of the heat press-compounding in the step (three) and the step (four) was 6 kg.
As a further illustration of the above scheme, in the step (three) and the step (four), the compounding speed is 1800-2200 meters per hour.
The invention has the beneficial effects that: the invention relates to a production method of a full-shading curtain composite fabric, which is characterized in that a TPU black shading film is produced by an extrusion blow molding method, then the TPU black shading film is subjected to hot-pressing compounding with a first base fabric subjected to oil removal and decontamination treatment, and then the TPU black shading film is subjected to hot-pressing compounding with a second base fabric layer, so that the whole production process is environment-friendly and pollution-free. And phenyl salicylate and titanium dioxide are used in the TPU black shading film, so that the TPU black shading film has good ultraviolet resistance and aging resistance. And also has good heat and sound insulation effects.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
fig. 2 is a schematic structural diagram of the second embodiment.
The designations in the figures illustrate the following: 1-a first scrim layer; 2-polyurethane light-shielding film; 3-a second scrim layer; 4-a first adhesive layer; 5-a second adhesive layer; 6-environment-friendly waterproof layer.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example one
Referring to fig. 1, a method for producing a full-shading curtain composite fabric according to the embodiment is described in detail, where the full-shading curtain composite fabric includes a first base fabric layer 1, a TPU black-shading film 2, and a second base fabric layer 3. The first base fabric layer 1 and the light shielding film 2 are combined through a first adhesive layer 4, and the second base fabric layer 3 and the TPU black light shielding film 2 are combined through a second adhesive layer 5. The first base fabric layer 1 and the second base fabric layer 2 each have a pattern formed by embossing on the surface thereof.
The full-shading curtain composite fabric is produced according to the following steps: the method comprises the steps of (I) processing base cloth, (II) preparing a TPU black shading film, (III) performing hot-pressing compounding in a first step, and (IV) performing hot-pressing compounding in a second step.
In the step (I) of processing the base cloth, the selected fabrics of the first base cloth layer (1) and the second base cloth layer (3) are pretreated. The treatment refers to the treatment of removing oil and dirt or desizing and the like on the fabric selected from the first base fabric layer and the second base fabric layer, so that the fabric does not contain other oil stains or other impurities which influence hot-pressing compounding, the compounding with the TPU black shading film is further influenced, the bonding strength between the fabric and the black shading film is reduced, and the service life of the shading curtain is influenced.
The fabrics selected from the first base fabric layer and the second base fabric layer do not need special requirements, and the fabrics sold in the conventional market can be pure polyester fabrics, pure cotton fabrics or polyester-cotton blended fabrics, and the fabrics made of other materials can be pure polyester fabrics, pure cotton fabrics or polyester-cotton blended fabrics. For the purpose of illustrating the present invention, a dyed cloth of pure polyester purchased from the market with a grammage of 120 g per square meter was used in the present example. And washing the terylene cloth purchased from the market in clear water added with a deoiling agent at the washing temperature of 50 ℃. Washed fabrics are also commercially available.
In the step (two), the preparation of the TPU black shading film is carried out by uniformly mixing 30 parts of polyurethane, 8 parts of low-density polyethylene, 20 parts of carbon black, 30 parts of opalescent agent, 8 parts of titanium dioxide, 10 parts of nano gelatin micro-beads and 5 parts of phenyl salicylate, and then carrying out extrusion blow molding. The obtained parts are parts by mass. The used nano gelatin micro-beads are nano gelatin micro-beads, and the particle size of the nano gelatin micro-beads is 150 nanometers.
The black-and-white light-shielding film can be prepared by calendering, casting, and extrusion. The black-and-white light-shielding film can be produced by using an extruder, a blow molding method and a direct extrusion method using a slit head, and in this example, the extrusion blow molding method is used.
The extrusion blow molding is extrusion blow molding, the method is that after materials are added into a machine barrel of an extruder, the materials are melted and plasticized under the action of certain temperature through the rotation, extrusion and stirring of a screw, the materials are extruded into a thin-walled tube through a machine head annular opening film gap after passing through a filter screen and a flow distribution plate under the pushing of the screw, then the thin-walled tube is blown up by compressed air when the thin-walled tube is hot in a flowing state, is cooled and shaped through an air ring, enters a herringbone plate and is clamped flat, is pressed and pulled into a winding roller through a guide roller, and finally a thin film product is prepared.
In this example, since the components include materials such as polyurethane, low density polyethylene, etc., the Melt Flow Rate (MFR) after melting is controlled to be 0.8g/10min, and if the MFR is smaller, the processing is difficult; the larger the MFR, the more likely drooping will occur. And the solid mass used needs to be dried before blow molding. As low a processing temperature as possible, in this example 170 c, is used, while ensuring the smoothness of the extruded billet. In order to ensure that the extruded blank is tightly attached to the wall of the die cavity to obtain a product needing to be opened and closed, the blow molding pressure is generally controlled to be 0.5 MPa. For resins with large volumes, thinner walls and lower MFR, the blow pressure is higher and vice versa. And the blowing ratio in this embodiment is 2, which can ensure a proper film thickness.
In the basic parameters of the used extruder, the die gap is 1mm, the die diameter is 250mm, the diameter of the air ring is 500mm, the traction driving power is 0.4KW, and the traction (coiling) speed is 2-20 m/min; the length of the traction roller is 1100mm, the diameter of the traction roller is 150mm, the center height of the traction roller is 4500mm, the length of the herringbone plate is 1500mm, the maximum folding diameter of the blown film is 1000mm, the diameter of the screw is 90mm, the compression ratio of the screw is 3-4, and the thickness of the prepared TPU black shading film is 0.04-0.1 mm. The TPU black light-shielding films prepared in this example had an areal density of 40 to 50 grams per square meter, specifically 45 grams per square meter.
In the step (III), the first step of hot-pressing compounding: coating acrylic resin on one side of the first base cloth layer (1) by using hot-pressing compounding equipment to serve as a first bonding layer (4), and hot-pressing at 180 ℃ to compound the TPU black shading film and the first base cloth layer (1) in a hot-pressing mode; embossing is carried out while hot-press compounding, and a predetermined pattern is formed on the surface of the first base fabric layer (1). The compounding speed was 1800 meters per hour. The acrylic resin used was pure acrylate, which was applied in an amount of 7 grams per square meter. The pressure was 6kg during the hot press compounding.
(IV) hot-pressing compounding in the second step: coating acrylic resin on the surface of the second base cloth layer (3) by using hot-pressing compounding equipment to serve as a second bonding layer, and carrying out hot pressing at 180 ℃ to compound one side of the TPU black shading film of the composite fabric prepared in the last step with the second base cloth layer (3) in a hot-pressing way; and embossing while hot-press compounding to form a predetermined pattern on the surface of the second base fabric layer (3). The compounding speed was 1800 meters per hour. The acrylic resin used was pure acrylate, which was applied in an amount of 10 grams per square meter. The pressure was 8kg during the hot press compounding.
Example two
This embodiment will be described in detail with reference to fig. 2. The production method of the full-shading curtain composite fabric related to the embodiment comprises the steps of (1) processing of base cloth, (two) preparing of a TPU black shading film, (three) hot-pressing compounding in the first step, and (four) hot-pressing compounding in the second step.
The first base cloth layer and the second base cloth layer are treated in the same way as in the first embodiment, and oil removal, decontamination, desizing and the like are carried out, so that the base cloth does not contain other oil stains or other impurities which influence hot-pressing compounding, compounding with the black-white shading film is influenced, the bonding strength of the base cloth and the black-white shading film is reduced, and the service life of the shading curtain is influenced.
In the preparation of the TPU black shading film in the step (II), 40 parts of polyurethane, 10 parts of low-density polyethylene, 20 parts of carbon black, 40 parts of opalescent agent, 8 parts of titanium dioxide, 15 parts of nano gelatin micro-beads and 7 parts of phenyl salicylate are uniformly mixed, and then the TPU black shading film is prepared by extrusion blow molding. The obtained parts are parts by mass.
In this embodiment, since the components include materials such as polyurethane, low density polyethylene, etc., the Melt Flow Rate (MFR) after melting is controlled to be 1g/10min, and if the MFR is smaller, the processing is difficult; the larger the MFR, the more likely drooping will occur. And the solid mass used needs to be dried before blow molding. As low a processing temperature as possible, in this case 175 c, is used, while ensuring the smoothness of the extruded billet. In order to ensure that the extruded blank is tightly attached to the wall of the die cavity to obtain a product needing to be opened and closed, the blow molding pressure is generally controlled to be 0.6 MPa. For resins with large volumes, thinner walls and lower MFR, the blow pressure is higher and vice versa. And the blowing ratio in this embodiment is 2.5, which can ensure a proper film thickness.
In the basic parameters of the used extruder, the die gap is 1.2mm, the die diameter is 350mm, the diameter of the air ring is 650mm, the traction driving power is 0.8KW, and the traction (coiling) speed is 2-20 m/min; the length of the traction roller is 1100mm, the diameter of the traction roller is 150mm, the center height of the traction roller is 6500mm, the length of the herringbone plate is 1700mm, the maximum folding diameter of the blown film is 1500mm, the diameter of the screw is 120mm, the compression ratio of the screw is 3-4, and the thickness of the prepared black-white shading film is 0.04-0.1 mm. The TPU black light-shielding films prepared in this example had an areal density of 40 to 50 grams per square meter, specifically 40 grams per square meter.
In the step (III), the first step of hot-pressing compounding: coating acrylic resin on one side of the first base cloth layer (1) by using hot-pressing compounding equipment to serve as a first bonding layer (4), and then carrying out hot pressing on the first base cloth layer (1) at the temperature of 130 ℃ to compound the TPU black shading film in a hot-pressing mode; embossing is carried out while hot-press compounding, and a predetermined pattern is formed on the surface of the first base fabric layer (1). The compounding speed was 2200 meters per hour. The acrylic resin used was pure acrylate, which was applied in an amount of 8 grams per square meter. The pressure was 6kg during the hot press compounding.
In the fourth step and the second step of hot-pressing compounding, hot-pressing compounding equipment is adopted to coat acrylic resin on the surface of the second base cloth layer (3) to be used as a second bonding layer, and then hot pressing is carried out at the temperature of 130 ℃ to carry out hot-pressing compounding on one side of the TPU black shading film of the composite fabric prepared in the previous step and the second base cloth layer (3); and embossing while hot-press compounding to form a predetermined pattern on the surface of the second base fabric layer (3). The compounding speed was 2200 meters per hour. The acrylic resin used was pure acrylate, which was applied in an amount of 9 grams per square meter. The pressure was 8kg during the hot press compounding.
And (3) coating an environment-friendly waterproof layer 6 on the surface of the second base fabric layer of the composite fabric prepared in the step (four). The environment-friendly waterproof layer 6 is a high-elastic environment-friendly waterproof coating film and takes modified acrylate emulsion as a base material.
EXAMPLE III
The difference between the method for producing the full-shading curtain composite fabric according to the embodiment and the first embodiment is that, in the second step, the prepared TPU black shading film is formed by uniformly mixing 50 parts of polyurethane, 12 parts of low-density polyethylene, 20 parts of carbon black, 50 parts of opal agent, 8 parts of titanium dioxide, 0 part of nano gelatin micro-beads and 8 parts of phenyl salicylate, and then carrying out extrusion blow molding. The obtained parts are parts by mass.
Comparative example 1
The production method of the full-shading curtain composite fabric related to the comparative example is different from the first example in that the step (IV) is not included. Only the first base cloth layer fabric and the TPU black shading film are subjected to hot-pressing compounding.
Comparative example No. two
Selecting and processing base cloth, selecting the same base cloth and the same processing mode as the first embodiment.
White paste preparation and first coating: the white slurry comprises 19 parts by weight of polyurethane and 15 parts by weight of 32 parts by weight of acrylic acid titanium dioxide dispersoid; 15 parts of a foam stabilizer; 1.5 parts of a foaming agent; 1 part of ammonia water; the pH value of the white slurry is 10; viscosity 2500 cps; then, rolling the white slurry on one surface of the grey cloth by adopting a coating knife press roller to obtain a first coating;
wherein, the angle of the knife coating in the first coating is 95 degrees, the distance between the knives is 0.65mm, the density of the foaming slurry is 48g/cm3, the foaming multiplying power of the manufacturing method of the full-shading curtain is 4 times, and the air pressure of the compression roller is 0.4 MPa; the tool bit is a flat tool; the speed of the grey cloth passing through the press rolls was 18 m/min.
Black paste preparation and second coating: the black paste comprises 19 parts by weight of polyurethane and 32 parts by weight of acrylic acid; 15 parts of titanium dioxide dispersion; 15 parts of a foam stabilizer; 1.5 parts of a foaming agent; 1 part of ammonia water; 6 parts of black color paste; 25 parts of glue for the manufacturing method of the stiff full-shading curtain; the pH value of the black paste is 10, and the viscosity is 2500 cps; then, rolling the black paste on the first coating by adopting a coating knife press roller to obtain a second coating of the manufacturing method of the full-shading curtain;
wherein the angle of the coating knife during the second coating is 95 degrees, the distance between the coating knives is 0.65mm, the density of the foaming slurry is 49g/cm3, the foaming multiplying power of the manufacturing method of the full-shading curtain is 4 times, and the air pressure of the compression roller is 0.4 MPa; the speed of the grey cloth passing through the press rolls was 18 m/min.
Mortar preparation and third coating: the black paste comprises 19 parts by weight of polyurethane and 32 parts by weight of acrylic acid; 15 parts of titanium dioxide are dispersed; 15 parts of a foam stabilizer; 1.5 parts of a foaming agent; 1 part of ammonia water; 2 parts of black color paste; 25 parts of a manufacturing method of a stiffening adhesive full-shading curtain; the pH value of the mortar is 10, and the viscosity is 2500 cps; then, rolling the mortar on the second coating by adopting a coating knife and a press roller to obtain a third coating of the manufacturing method of the second full shading curtain;
wherein the angle of a coating knife during the third coating is 95 degrees, the distance between the coating knives is 0.6mm, the density of the foaming slurry is 40g/cm3, the multiplying power of the manufacturing method of the foaming full-shading curtain is 5 times, and the air pressure of a press roll is 0.4 MPa; the speed of the grey cloth passing through the press rolls was 22 m/min.
The stiffening adhesive in the black paste or the mortar is an anionic emulsion formed by copolymerizing acrylic acid and acrylic ester.
Dough preparation and fourth coating: the surface slurry comprises 60 parts of polyurethane by weight; the manufacturing method of the full shading curtain comprises 15 parts of titanium dioxide dispersoid; 15 parts of a foam stabilizer; 2.2 parts of a foaming agent; 1.2 parts of ammonia water; the pH value of the flour slurry is 10, and the viscosity is 2400 cps; then rolling the flour paste on the third coating by adopting a coating knife press roll to obtain a fourth coating after the manufacturing method of the full shading curtain;
wherein, the angle of the knife coating in the fourth coating is 95 degrees, the distance between the knives is 0.75mm, the density of the foaming slurry is 48g/cm3, the foaming multiplying power of the manufacturing method of the full-shading curtain is 3.5 times, and the air pressure of the compression roller is 0.4 MPa; the speed of the grey cloth passing through the press rolls was 22 m/min.
The black color paste in the white paste, the black paste, the mortar or the face paste comprises titanium dioxide dispersoid and water-based black pigment; the titanium dioxide full-shading curtain is prepared by mixing and dispersing titanium dioxide, water and a dispersing agent according to the weight ratio of 65: 45: 1.
Color paste scraping modulation and cloth surface color scraping: the scraping color paste comprises 28 parts by weight of water-based acrylic emulsion; 8 parts of polyurethane; 0.27 part of defoaming agent; 5 parts of a penetrating agent; 1.9 parts of a pH value stabilizer; viscosity 30000 cps; and then the sharp knife is adopted to scrape color on the other surface of the grey cloth by using the color scraping paste after the manufacturing method of the full-shading curtain.
The angle of a coating knife when the cloth surface is scraped with color is 95 degrees, the knife distance is 42mm, the density of the foaming slurry is 48g/cm3, the foaming ratio is 4 times of the manufacturing method of the full-shading curtain, and the air pressure of a press roll is 0.4 MPa; the tool bit is a sharp tool; the speed of the grey cloth passing through the compression roller is 16 m/min.
The foaming agent in the slurry of each layer is n-butane and 5% sodium bicarbonate solution mixed by mass of 1: 1; the manufacturing method of the penetrant full-shading curtain is sodium di-sec-octyl maleate sulfonate; the foam stabilizer is dodecyl dimethyl amine oxide.
By comparing the production processes of examples one to three and comparative example two, it can be seen that examples one to three use TPU black light-shielding films produced through extrusion blow molding to be compounded with base fabric, while comparative example uses a multi-coat method to produce window shades. So that no waste gas and waste water is generated in the whole production process of the first to the third embodiments. Even if the fabric is cleaned by the degreaser, the generated wastewater can be treated in enterprises, so that the fabric can be conveniently treated.
The full sun shades prepared in examples one to three, and comparative examples one and two were tested for light-blocking property, uv-blocking property, sound-insulating property and heat-insulating property.
The shading rate test adopts the American AATCC-148-79 curtain material shading effect evaluation method meeting the requirements of the international commission on illumination and adopts a light transmission box method to judge the shading performance of the curtain fabric.
The uv protection index UPF of the textile was used to evaluate the uv protection of the textile, and after 10 washes and 25 washes. Through tests, the UPF values of the first to third examples, the first comparative example and the second comparative example are 42.6, 41.3, 43.5, 33.6 and 19.4 respectively, the UPF values of the first to third examples, the first comparative example and the second comparative example after 10 times of washing are 39.7, 38.4, 40.6, 30.4 and 18.3 respectively, and the UPF values of the first to third examples, the first comparative example and the second comparative example after 25 times of washing are 37.2, 36.1, 38.7, 29.5 and 13.4 respectively. It can be seen that the window coverings of examples one to three have better uv protection effects than the comparative example, and the uv protection effects are not much reduced after 10 and 25 washes.
The light transmittance of the first to third examples was 0%, i.e., the light-shielding rate was 100%. The light transmittance of comparative example one was 2%, i.e., the light-shielding rate was 98%. The light transmittance of comparative example two was 10%, i.e., the light-shielding rate was 90%.
To verify the sound-insulating effect of the fabric, a simple sound-insulating performance test was also performed. A miniature air compressor for woodworkers was placed 1.6 meters directly in front of the doorway of an empty room, and the sound level meter was used to measure the distance 0.5 meters from the door and the height 0.4 meters in the room. Then, the door was opened and the door frame was closed with the window shades according to examples one to three and comparative examples one and two, respectively, and the noise was measured in this state. The specific results are as follows: the background noise is 30.3 dB; the door opening is 72.5 dB; with embodiment one closing the door frame: 40.6 dB; close the door frame with embodiment two: 40.2 dB; the door frame was closed with example three: 39.5 dB; closing the door frame with comparative example one: 56.2dB, close the door frame with comparative example: 61.7 dB. This shows that the curtains prepared in the first to third examples have a significant soundproof effect.
The thermal insulation performance of the fabrics was tested by testing the kr values of the composite fabrics according to examples one to three, and comparative examples one and two. The Kr value is an engineering unit describing the thermal insulation performance, i.e., the "thermal resistance", of a garment or fabric. At room temperature of 20 deg.C or 21 deg.C, the relative humidity is not more than 50%, and the air flow rate is not more than 10cm/s (equivalent to room with ventilation equipment)Internal normal air flow rate) of 1clo, defined as lclo-4.30 x 10, in terms of nominal units of measurement, and a person sitting still or engaged in mild mental work while maintaining a comfortable condition-2K·m2·h/J＝155m2K/W. The size of the clo value indicates the degree of warm and heat insulation of the fabric. The larger the cromet value, the poorer the thermal conductivity of the fabric, and the better the thermal insulation. The test results show that the Crohn values of the first to third examples and the comparative example are 0.85, 0.83, 0.89, 0.69 and 0.42 respectively.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (6)

1. The production method of the full-shading curtain composite fabric is characterized in that the full-shading curtain composite fabric comprises a first base fabric layer (1), a TPU black shading film (2) and a second base fabric layer (3); the first base cloth layer (1) and the shading film (2) are compounded through a first adhesive layer (4); the second base fabric layer (3) is compounded with the TPU black shading film (2) through a second adhesive layer (5); the surfaces of the first base fabric layer (1) and the second base fabric layer (2) are provided with patterns formed by embossing;
the production method comprises the following steps:
(I) treating base cloth: pretreating the fabrics selected by the first base fabric layer (1) and the second base fabric layer (3);
(II) preparing a TPU black shading film: the TPU black shading film contains 30-50 parts of polyurethane, 8-12 parts of low-density polyethylene, 20 parts of carbon black, 30-50 parts of opalescent agent, 8 parts of titanium dioxide, 10-20 parts of nano gelatin micro-beads and 5-8 parts of phenyl salicylate; the parts are parts by mass;
(III) first-step hot-pressing compounding: coating acrylic resin on one side of the first base cloth layer (1) by using hot-pressing compounding equipment to serve as a first bonding layer (4), and carrying out hot pressing at the temperature of 130-180 ℃ to compound the TPU black shading film and the first base cloth layer (1) in a hot-pressing way; embossing while hot-press compounding to form a set pattern on the surface of the first base fabric layer (1);
(IV) hot-pressing compounding in the second step: coating acrylic resin on the surface of the second base cloth layer (3) by using hot-pressing compounding equipment to serve as a second bonding layer, and carrying out hot pressing at the temperature of 130-180 ℃ to compound one side of the TPU black shading film of the composite fabric prepared in the last step with the second base cloth layer (3) in a hot-pressing way; and embossing while hot-press compounding to form a predetermined pattern on the surface of the second base fabric layer (3).
2. The method for producing a full shading curtain composite fabric as claimed in claim 1, wherein the treatment of the base fabric is to remove oil and dirt from the base fabric.
3. The method for producing a full shading curtain composite fabric as claimed in claim 1, wherein the area density of the formed TPU black shading film is 40 to 50 grams per square meter.
4. The method for producing a full sun shade composite fabric according to claim 1, wherein the coating amount of the acrylic resin in the step (three) and the step (four) is 7 to 10 g per square meter.
5. The method for producing the full sun shade composite fabric according to claim 1, wherein in the step (three) and the step (four), the pressure of the hot press compounding is 6 kg.
6. The method for producing a composite material for a full sun shade curtain as claimed in claim 1, wherein in the step (three) and the step (four), the compounding speed is 1800-2200 m/h.
CN201911057090.7A 2019-10-21 2019-10-21 Production method of full-shading curtain composite fabric Pending CN110802898A (en)

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Application publication date: 20200218

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