CN117301687A - Composite technology of elastic decorative cloth - Google Patents

Composite technology of elastic decorative cloth Download PDF

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Publication number
CN117301687A
CN117301687A CN202311038317.XA CN202311038317A CN117301687A CN 117301687 A CN117301687 A CN 117301687A CN 202311038317 A CN202311038317 A CN 202311038317A CN 117301687 A CN117301687 A CN 117301687A
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CN
China
Prior art keywords
elastic
fabric
fiber
fabric layer
compounding
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Pending
Application number
CN202311038317.XA
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Chinese (zh)
Inventor
袁卫东
俞岗
施蔡敏
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Moen Textile Technology Nantong Co ltd
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Moen Textile Technology Nantong Co ltd
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Priority to CN202311038317.XA priority Critical patent/CN117301687A/en
Publication of CN117301687A publication Critical patent/CN117301687A/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
    • 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
    • B32B37/1207—Heat-activated adhesive
    • 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
    • B32B37/10—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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • 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
    • 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
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • 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
    • B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B32B5/265—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one fibrous or filamentary layer being a non-woven fabric 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
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B32B5/265—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one fibrous or filamentary layer being a non-woven fabric layer
    • B32B5/273—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one fibrous or filamentary layer being a non-woven fabric layer including a separate net structure 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
    • 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
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B32B2038/168—Removing solvent
    • 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
    • B32B2262/0253—Polyolefin fibres
    • 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
    • B32B2262/0261—Polyamide fibres
    • 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
    • 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
    • B32B2262/0292—Polyurethane fibres
    • 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
    • B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
    • B32B2262/124—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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2307/724—Permeability to gases, adsorption

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to the technical field of elastic decorative cloth compounding, and discloses a process for compounding elastic decorative cloth, which comprises the following steps of carrying out directional or random arrangement on polymer slices, textile short fibers or filaments to form a fiber web structure, and drying and shaping; uniformly spraying hot melt adhesive on the surface of the fiber net structure to obtain a non-woven fabric base fabric with a glue layer; the method comprises the steps of knitting spandex fiber and terylene on the upper surface and the lower surface of a non-woven fabric with a glue layer in a constant tension manner to obtain a first elastic fabric layer, knitting elastic polyolefin fiber and nylon in a constant tension manner in the same manner to obtain a second elastic fabric layer, bonding one surfaces of the first elastic fabric layer and the second elastic fabric layer, which are sprayed with hot melt adhesive, in a centrosymmetric movement manner, and pressing by using a fabric composite roller to form elastic composite fabric; the elastic sizes of the first elastic fabric layer and the second elastic fabric can be well controlled through the compounding process, so that the compounded elastic decorative cloth has higher elasticity.

Description

Composite technology of elastic decorative cloth
Technical Field
The invention belongs to the technical field of elastic decorative cloth compounding, and particularly relates to a compounding process of elastic decorative cloth.
Background
The elastic decorative cloth turns the eyes of more and more enterprises to deep processing of the non-woven fabrics along with the maturation of the primary processing technology of the non-woven fabrics, so that the added value of products and the profit of the enterprises are improved as much as possible. The elastic decorative cloth is deep into the living aspect of people, and the performance of the elastic decorative cloth is greatly improved compared with that of the traditional cloth, so that the elastic decorative cloth is slightly superior to the traditional cloth in terms of materials and patterns and practicality.
Along with the continuous improvement of the living standard of people, the living concept of people is continuously changed, along with the continuous improvement of the living standard of people, the traditional elastic decorative cloth can not meet the existing requirements, cotton is mostly adopted as a main material of the elastic decorative cloth in the prior art, and the air permeability and the elastic effect are poor.
For this purpose we propose a process for compounding an elastic decorative cloth.
Disclosure of Invention
The invention aims at: in order to well control the elasticity of the first elastic fabric layer and the second elastic fabric, and further enable the compounded elastic decorative cloth to have higher elasticity, the compounding process of the elastic decorative cloth is provided.
The technical scheme adopted by the invention is as follows:
a composite technology of elastic decorative cloth comprises the following steps:
step one: the high polymer slices, the textile short fibers or the filaments are oriented or randomly arranged to form a fiber web structure, and are dried and shaped;
step two: using a fibre spray gun according to 100-110g/m 2 Uniformly spraying hot melt adhesive on the surface of a fiber net structure formed by dried and shaped polymer slices, textile short fibers or filaments, and then heating in an oven to remove a solvent to obtain a non-woven fabric base fabric with a glue layer;
step three: uniformly arranging spandex fibers and terylene on the upper surface and the lower surface of the non-woven fabric with the glue layer, weaving the non-woven fabric with constant tension in a mutually staggered or hooked mode, and then calendaring the non-woven fabric with the glue layer to form a film by a four-roll calendar to form a first elastic fabric layer;
step four: repeating the second step to obtain a non-woven fabric base fabric with a glue layer again, arranging elastic polyolefin fibers and nylon on the upper surface and the lower surface of the non-woven fabric base fabric at equal intervals, weaving at constant tension in a mutually staggered or hooked mode, and then calendaring to form a film through a four-roll calendar to form a second elastic fabric layer;
step five: cutting the first elastic fabric layer and the second elastic fabric layer to keep the shapes of the first elastic fabric layer and the second elastic fabric layer consistent;
step six: reusing the fiber spray gun according to 110-120g/m 2 Spraying hot melt adhesive on the lower surface of the cut first elastic fabric layer and the upper surface of the second elastic fabric layer respectively;
step seven: then, the surfaces of the first elastic fabric layer and the second elastic fabric layer, on which the hot melt adhesive is sprayed, are attached in a centrosymmetric movement mode, and then an elastic composite cloth is formed by pressing by using a fabric composite roller;
step eight: shaping the elastic composite cloth by a continuous heat setting machine to keep the size of the elastic composite cloth stable;
step nine: and rolling the cloth by using a cloth rolling roller.
In a preferred mode of the invention, the elastic polyolefin fiber has a density of 40 roots/cm and the nylon has a density of 60 roots/cm.
In a preferred mode of the invention, the density of the spandex fiber is 40 pieces/cm and the density of the polyester fiber is 60 pieces/cm.
In a preferred embodiment of the invention, the fiber spray gun is a five-hole fiber spray gun.
In a preferred mode of the invention, the web structure is oven set at a temperature of 115 to 120 ℃.
In a preferred embodiment of the present invention, the polymer chip is a polypropylene chip.
In a preferred mode of the invention, the temperature at which the continuous heat setting machine sets the elastic composite cloth is 130 ℃.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. in the invention, hot melt adhesive is uniformly sprayed on two side surfaces of a non-woven fabric base cloth by utilizing a hot melt adhesive fiber spraying technology, then spandex fiber and polyester fiber are woven with constant tension to form a first elastic fabric layer, elastic polyolefin fiber and nylon are woven with constant tension to form a second elastic fabric layer, and finally the first elastic fabric layer and the second elastic fabric layer are compounded again; the elastic sizes of the first elastic fabric layer and the second elastic fabric can be well controlled through the compounding process, so that the compounded elastic decorative cloth has higher elasticity.
2. In the invention, the non-woven fabric with the fiber net structure formed by utilizing the high polymer slices, the textile short fibers or the filaments to be oriented or randomly arranged has the advantages of moisture resistance, ventilation, no toxicity and no stimulation, and enough gaps can be reserved in the composite elastic fabric layer to improve the ventilation.
Drawings
FIG. 1 is a flow chart of a process for compounding an elastic decorative cloth according to the present invention.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A process of compounding an elastic decorative cloth according to an embodiment of the present invention will be described in detail with reference to fig. 1.
With reference to figure 1 of the drawings,
examples
Referring to fig. 1, a process for compounding an elastic decorative cloth includes the steps of: step one, high polymer slices, textile short fibers or filaments are oriented or randomly arranged to form a fiber web structure, and are dried and shaped; the drying and shaping temperature of the fiber web structure is 115-120 ℃, the polymer slice is a polypropylene slice, specifically, the fiber web structure nonwoven fabric is formed by utilizing the polymer slice, the textile short fiber or the filament to orient or randomly arrange, and the fiber web structure nonwoven fabric has the advantages of moisture resistance, ventilation, no toxicity and no stimulation; step two, using a fiber spray gun according to 100-110g/m 2 Uniformly spraying hot melt adhesive on the surface of a fiber net structure formed by dried and shaped polymer slices, textile short fibers or filaments, and then heating in an oven to remove a solvent to obtain a non-woven fabric base fabric with a glue layer; the fiber spray gun is a five-hole fiber spray gun, and enough gaps can be left in the composite elastic fabric layer through the process, so that the air permeability is improved.
Referring to fig. 1, step three, arranging spandex fiber and terylene on the upper surface and the lower surface of a non-woven fabric with a glue layer at equal intervals, weaving with constant tension in a mutually staggered or hooked mode, and then calendering to form a film by a four-roll calender to form a first elastic fabric layer; the density of the spandex fiber is 40 pieces/cm, the density of the terylene is 60 pieces/cm, and the spandex fiber and the terylene are woven to form a first elastic fabric layer by constant tension weaving, so that the elasticity of the elastic fabric after compounding can be controlled better; repeating the second step to obtain a non-woven fabric base fabric with a glue layer again, arranging elastic polyolefin fibers and nylon on the upper surface and the lower surface of the non-woven fabric base fabric at equal intervals, weaving at constant tension in a mutually staggered or hooked mode, and then calendaring to form a film through a four-roll calendar to form a second elastic fabric layer; the density of the elastic polyolefin fiber is 40 pieces/cm, the density of the nylon is 60 pieces/cm, and specifically, the elastic polyolefin fiber and the nylon are knitted to form a second elastic fabric layer by constant tension knitting, so that the elasticity of the elastic fabric after compounding can be controlled better.
Referring to fig. 1, step five: cutting the first elastic fabric layer and the second elastic fabric layer to keep the shapes of the first elastic fabric layer and the second elastic fabric layer consistent; specifically, the first elastic fabric layer and the second elastic fabric layer are convenient to compound in a central symmetry manner after being cut; the method comprises the following steps: reusing the fiber spray gun according to 110-120g/m 2 Spraying hot melt adhesive on the lower surface of the cut first elastic fabric layer and the upper surface of the second elastic fabric layer respectively; the hot melt adhesive fiber spraying technology is utilized to uniformly spray the hot melt adhesive on the two side surfaces of the non-woven base cloth; step seven: then, the surfaces of the first elastic fabric layer and the second elastic fabric layer, on which the hot melt adhesive is sprayed, are attached in a centrosymmetric movement mode, and then an elastic composite cloth is formed by pressing by using a fabric composite roller; the elastic sizes of the first elastic fabric layer and the second elastic fabric can be well controlled through the compounding process, so that the compounded elastic decorative cloth has higher elasticity.
Referring to fig. 1, step eight: shaping the elastic composite cloth by a continuous heat setting machine to keep the size of the elastic composite cloth stable; the temperature of the continuous heat setting machine for setting the elastic composite cloth is 130 ℃, and the step nine is that: the cloth is wound by the cloth winding roller, and the elastic cloth after compounding is subjected to high-temperature shaping and then can be wound, so that the whole processing technology is completed.
The implementation principle of the composite process embodiment of the elastic decorative cloth is as follows:
the high polymer is firstly put intoSlicing, spinning short fibers or filaments, performing directional or random arrangement to form a fiber web structure, and performing drying and shaping; then using a fiber spray gun according to 100-110g/m 2 Uniformly spraying hot melt adhesive on the surface of a fiber net structure formed by dried and shaped polymer slices, textile short fibers or filaments, and then heating in an oven to remove a solvent to obtain a non-woven fabric base fabric with a glue layer; the non-woven fabric with the fiber net structure formed by utilizing the high polymer slices, the textile short fibers or the filaments to be oriented or randomly arranged has the advantages of moisture resistance, ventilation, no toxicity and no stimulation, and enough gaps can be reserved inside the composite elastic fabric layer, so that the ventilation is improved.
Arranging spandex fiber and terylene on the upper surface and the lower surface of the non-woven fabric with the glue layer at equal intervals, weaving the non-woven fabric in a mutually staggered or hooked mode, and then calendering the non-woven fabric into a film through a four-roll calender to form a first elastic fabric layer; obtaining a non-woven fabric base fabric with a glue layer again, arranging elastic polyolefin fibers and nylon on the upper surface and the lower surface of the non-woven fabric base fabric at equal intervals, weaving the non-woven fabric base fabric in a mutually staggered or hooked mode, and then calendaring the non-woven fabric base fabric into a film through a four-roll calender to form a second elastic fabric layer; knitting spandex fiber and polyester fiber with constant tension to form a first elastic fabric layer, knitting elastic polyolefin fiber and nylon with constant tension to form a second elastic fabric layer, and finally compounding the first elastic fabric layer and the second elastic fabric layer again; the elastic sizes of the first elastic fabric layer and the second elastic fabric can be well controlled through the compounding process, so that the compounded elastic decorative cloth has higher elasticity.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The composite technology of the elastic decorative cloth is characterized by comprising the following steps of:
step one: the high polymer slices, the textile short fibers or the filaments are oriented or randomly arranged to form a fiber web structure, and are dried and shaped;
step two: using a fibre spray gun according to 100-110g/m 2 Uniformly spraying hot melt adhesive on the surface of a fiber net structure formed by dried and shaped polymer slices, textile short fibers or filaments, and then heating in an oven to remove a solvent to obtain a non-woven fabric base fabric with a glue layer;
step three: uniformly arranging spandex fibers and terylene on the upper surface and the lower surface of the non-woven fabric with the glue layer, weaving the non-woven fabric with constant tension in a mutually staggered or hooked mode, and then calendaring the non-woven fabric with the glue layer to form a film by a four-roll calendar to form a first elastic fabric layer;
step four: repeating the second step to obtain a non-woven fabric base fabric with a glue layer again, arranging elastic polyolefin fibers and nylon on the upper surface and the lower surface of the non-woven fabric base fabric at equal intervals, weaving at constant tension in a mutually staggered or hooked mode, and then calendaring to form a film through a four-roll calendar to form a second elastic fabric layer;
step five: cutting the first elastic fabric layer and the second elastic fabric layer to keep the shapes of the first elastic fabric layer and the second elastic fabric layer consistent;
step six: reusing the fiber spray gun according to 110-120g/m 2 Spraying hot melt adhesive on the lower surface of the cut first elastic fabric layer and the upper surface of the second elastic fabric layer respectively;
step seven: then, the surfaces of the first elastic fabric layer and the second elastic fabric layer, on which the hot melt adhesive is sprayed, are attached in a centrosymmetric movement mode, and then an elastic composite cloth is formed by pressing by using a fabric composite roller;
step eight: shaping the elastic composite cloth by a continuous heat setting machine to keep the size of the elastic composite cloth stable;
step nine: and rolling the cloth by using a cloth rolling roller.
2. A process for compounding an elastic decorative cloth according to claim 1, wherein: the density of the elastic polyolefin fiber is 40 roots/cm, and the density of the nylon is 60 roots/cm.
3. A process for compounding an elastic decorative cloth according to claim 1, wherein: the density of the spandex fiber is 40 pieces/cm, and the density of the terylene fiber is 60 pieces/cm.
4. A process for compounding an elastic decorative cloth according to claim 1, wherein: the fiber spray gun is a five-hole fiber spray gun.
5. A process for compounding an elastic decorative cloth according to claim 1, wherein: the drying and shaping temperature of the fiber web structure is 115-120 ℃.
6. A process for compounding an elastic decorative cloth according to claim 1, wherein: the polymer slice is a polypropylene slice.
7. A process for compounding an elastic decorative cloth according to claim 1, wherein: the temperature of the continuous heat setting machine for setting the elastic composite cloth is 130 ℃.
CN202311038317.XA 2023-08-17 2023-08-17 Composite technology of elastic decorative cloth Pending CN117301687A (en)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN117301687A true CN117301687A (en) 2023-12-29

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CN202311038317.XA Pending CN117301687A (en) 2023-08-17 2023-08-17 Composite technology of elastic decorative cloth

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