CN113119539A - Waterproof crease-free synthetic leather and preparation method thereof - Google Patents

Waterproof crease-free synthetic leather and preparation method thereof Download PDF

Info

Publication number
CN113119539A
CN113119539A CN202010044171.XA CN202010044171A CN113119539A CN 113119539 A CN113119539 A CN 113119539A CN 202010044171 A CN202010044171 A CN 202010044171A CN 113119539 A CN113119539 A CN 113119539A
Authority
CN
China
Prior art keywords
layer
waterproof
synthetic leather
wrinkle
crease
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010044171.XA
Other languages
Chinese (zh)
Inventor
吴新华
孙松楷
马国宣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Kedi Industry Co ltd
Original Assignee
Dongguan Kedi Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Kedi Industry Co ltd filed Critical Dongguan Kedi Industry Co ltd
Priority to CN202010044171.XA priority Critical patent/CN113119539A/en
Publication of CN113119539A publication Critical patent/CN113119539A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B5/026—Knitted 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
    • B32B5/08—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
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • 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
    • 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
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/59—Polyamides; Polyimides
    • 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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • 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
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • 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
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • 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
    • B32B2262/10—Inorganic 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
    • B32B2262/14—Mixture of at least two fibres made of different 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
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

The invention discloses waterproof crease-free synthetic leather and a preparation method thereof, wherein the waterproof crease-free synthetic leather comprises a base layer, a waterproof layer, a fiber layer, an anti-wrinkle layer and a skin-friendly layer; the waterproof layer is bonded on the bottom surface of the base layer through a water-based adhesive, and the anti-wrinkle layer is bonded on the bottom surface of the waterproof layer through a water-based adhesive; according to the synthetic leather disclosed by the invention, the waterproof layer and the anti-wrinkle layer are bonded on the bottom surface of the base layer through the water-based environment-friendly adhesive, so that the waterproof and anti-wrinkle capabilities of the whole base layer are improved, the whole synthetic leather can keep good flatness and waterproof performance after the base layer is used for a long time, and the synthetic leather can be used as a cloth liner and the like; according to the synthetic leather disclosed by the invention, the fiber layers are bonded between the base layer and the waterproof layer as well as between the waterproof layer and the anti-wrinkle layer, so that the toughness of the whole synthetic leather is improved, and the synthetic leather can still keep no crack after being used for a long time; the skin-friendly layer and the fiber layer are bonded on the synthetic leather, so that the synthetic leather has certain comfort and warmth retention property in a wearable mode.

Description

Waterproof crease-free synthetic leather and preparation method thereof
Technical Field
The invention belongs to the technical field of synthetic leather, and particularly relates to waterproof crease-free synthetic leather and a preparation method thereof.
Background
The composition and structure of synthetic leather and can be used as a plastic product of a substitute material thereof. Usually, the impregnated non-woven fabric is used as a net layer, and the microporous polyurethane layer is used as a grain layer. The front and back surfaces of the leather are very similar to leather, have certain air permeability and are closer to natural leather than common artificial leather. It is widely used for making shoes, boots, bags, balls, etc. However, the existing synthetic leather has low strength and is easy to wrinkle, so that wrinkling and poor qualitative performance are easy to occur when shoes, boots, bags, balls and the like are manufactured, and bending parts are easy to have poor qualitative performance after long-time use, so that the performance of the whole product is poor.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide the waterproof crease-free synthetic leather and the preparation method thereof, and the problems of poor crease resistance and low strength of the conventional synthetic leather are solved.
2. Technical scheme
The technical scheme adopted by the invention is as follows: a waterproof crease-free synthetic leather comprises a base layer, a waterproof layer, a fiber layer, an anti-wrinkle layer and a skin-friendly layer; the waterproof layer is bonded on the bottom surface of the base layer through a water-based adhesive, and the anti-wrinkle layer is bonded on the bottom surface of the waterproof layer through a water-based adhesive; the fiber layers are bonded between the waterproof layer and the base layer and between the anti-wrinkle layer and the waterproof layer; the skin-friendly layer is bonded with the anti-wrinkle layer through a water-based adhesive; the anti-wrinkle layer is 1.0-1.5mm thick, the waterproof layer is 2-3mm thick, and the skin-friendly layer is 3-5mm thick.
In the waterproof crease-free synthetic leather, the fiber layer is formed by weaving one of jute fibers, flax fibers, bamboo fibers and protein fibers by a warp and weft weaving method.
The waterproof crease-free synthetic leather is characterized in that the anti-wrinkle layer comprises an alumina fiber layer; and an anti-wrinkle agent is adsorbed on the surface of the alumina fiber layer.
The waterproof crease-free synthetic leather comprises the following components in parts by weight: 1-2 parts of polyglutamic acid, 2-3 parts of polyglycine, 2-3 parts of guar gum, 0.1-0.3 part of tragacanth gum and 0.2-0.3 part of galactan.
According to the waterproof crease-free synthetic leather, the skin-friendly layer is made of cotton fibers and polyester fibers, and the bottom surface of the skin-friendly layer is uniformly distributed with the protrusions of the hemispheroids.
According to the waterproof crease-free synthetic leather, the fiber layer is subjected to antibacterial treatment by adopting antibacterial liquid.
The waterproof crease-free synthetic leather comprises the following components in parts by mass: rosemary essential oil 0.5-1 parts, zedoary extract 0.5-1.0 parts, lemongrass herb extract 1-3 parts, and the balance of purified water.
The waterproof layer is a waterproof breathable film and is made of polytetrafluoroethylene materials.
The invention also discloses a preparation method of the waterproof crease-free synthetic leather, which comprises the following steps:
step 1, paving the fiber layers on the front and back surfaces of the base layer by a needle punching method;
step 2, sequentially adding guar gum, polyglutamic acid, polyglycine, tragacanth gum and galactan into water according to mass fraction, stirring at high temperature, adding alumina fiber, standing for 5min, stirring for 5min, repeatedly treating for 3 times until the viscosity of the mixture is unchanged, and naturally cooling to room temperature to obtain the anti-wrinkle layer;
step 3, bonding the waterproof layer and the crease-resistant layer on the front surface and the back surface of the base layer through the water-based adhesive, and pressing and cooling;
and 4, adhering the skin-friendly layer to the surface of the anti-wrinkle layer through the water-based adhesive to obtain the waterproof crease-free synthetic leather.
Preferably, the stirring temperature in step 2 is 55-60 ℃.
Preferably, the standing and stirring treatment is stopped when the viscosity of the mixture of step 2 is not changed for 10 min.
Preferably, the hot pressing temperature of the step 3 and the step 4 is 180-.
3. Advantageous effects
(1) According to the synthetic leather disclosed by the invention, the waterproof layer and the anti-wrinkle layer are bonded on the bottom surface of the base layer through the water-based environment-friendly adhesive, so that the waterproof and anti-wrinkle capabilities of the whole base layer are improved, the whole synthetic leather can keep good flatness and waterproof performance after the base layer is used for a long time, and the synthetic leather can be used as a cloth liner and the like;
(2) according to the synthetic leather disclosed by the invention, the fiber layers are bonded between the base layer and the waterproof layer as well as between the waterproof layer and the anti-wrinkle layer, so that the toughness of the whole synthetic leather is improved, and the synthetic leather can still keep no crack after being used for a long time;
(3) the skin-friendly layer and the fiber layer are bonded on the synthetic leather, so that the synthetic leather has certain comfort and warmth retention property in a wearable mode.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are for illustrative purposes only.
A waterproof crease-free synthetic leather comprises a base layer, a waterproof layer, a fiber layer, an anti-wrinkle layer and a skin-friendly layer; the waterproof layer is bonded on the bottom surface of the base layer through a water-based adhesive, and the anti-wrinkle layer is bonded on the bottom surface of the waterproof layer through a water-based adhesive; the fiber layers are bonded between the waterproof layer and the base layer and between the anti-wrinkle layer and the waterproof layer; the skin-friendly layer is bonded with the anti-wrinkle layer through a water-based adhesive; the anti-wrinkle layer is 1.0-1.5mm thick, the waterproof layer is 2-3mm thick, and the skin-friendly layer is 3-5mm thick.
Preferably, the fiber layer is woven by one of jute fiber, flax fiber, bamboo fiber and protein fiber by a warp and weft weaving method.
Preferably, the wrinkle resistant layer comprises an alumina fiber layer; and an anti-wrinkle agent is adsorbed on the surface of the alumina fiber layer.
Preferably, the anti-wrinkle agent comprises the following components in parts by weight: 1-2 parts of polyglutamic acid, 2-3 parts of polyglycine, 2-3 parts of guar gum, 0.1-0.3 part of tragacanth gum and 0.2-0.3 part of galactan.
Preferably, the skin-friendly layer is prepared from cotton fibers and polyester fibers, and the bottom surface of the skin-friendly layer is uniformly distributed with the hemispheroid bulges.
Preferably, the fiber layer is subjected to an antibacterial treatment using an antibacterial solution.
Preferably, the antibacterial liquid comprises the following components in percentage by mass: rosemary essential oil 0.5-1 parts, zedoary extract 0.5-1.0 parts, lemongrass herb extract 1-3 parts, and the balance of purified water.
Preferably, the waterproof layer is a waterproof breathable film and is made of polytetrafluoroethylene materials.
The invention also discloses a preparation method of the waterproof crease-free synthetic leather, which comprises the following steps:
step 1, paving the fiber layers on the front and back surfaces of the base layer by a needle punching method;
step 2, sequentially adding guar gum, polyglutamic acid, polyglycine, tragacanth gum and galactan into water according to mass fraction, stirring at high temperature, adding alumina fiber, standing for 5min, stirring for 5min, repeatedly treating for 3 times until the viscosity of the mixture is unchanged, and naturally cooling to room temperature to obtain the anti-wrinkle layer;
step 3, bonding the waterproof layer and the crease-resistant layer on the front surface and the back surface of the base layer through the water-based adhesive, and pressing and cooling;
and 4, adhering the skin-friendly layer to the surface of the anti-wrinkle layer through the water-based adhesive to obtain the waterproof crease-free synthetic leather.
Preferably, the stirring temperature in step 2 is 55-60 ℃.
Preferably, the standing and stirring treatment is stopped when the viscosity of the mixture of step 2 is not changed for 10 min.
Preferably, the hot pressing temperature of the step 3 and the step 4 is 180-.
According to the synthetic leather disclosed by the invention, the waterproof layer and the anti-wrinkle layer are bonded on the bottom surface of the base layer through the water-based environment-friendly adhesive, so that the waterproof and anti-wrinkle capabilities of the whole base layer are improved, the whole synthetic leather can keep good flatness and waterproof performance after the base layer is used for a long time, and the synthetic leather can be used as a cloth liner and the like; secondly, the fiber layer is bonded between the base layer and the waterproof layer as well as between the waterproof layer and the anti-wrinkle layer, so that the toughness of the whole synthetic leather is improved, and the synthetic leather can still keep no crack after being used for a long time; finally, the skin-friendly layer and the fiber layer are bonded on the synthetic leather, so that the synthetic leather has certain comfort and warmth retention property in a wearable mode.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (12)

1. The utility model provides a waterproof crease-free synthetic leather which characterized in that: comprises a base layer, a waterproof layer, a fiber layer, an anti-wrinkle layer and a skin-friendly layer; the waterproof layer is bonded on the bottom surface of the base layer through a water-based adhesive, and the anti-wrinkle layer is bonded on the bottom surface of the waterproof layer through a water-based adhesive; the fiber layers are bonded between the waterproof layer and the base layer and between the anti-wrinkle layer and the waterproof layer; the skin-friendly layer is bonded with the anti-wrinkle layer through a water-based adhesive; the anti-wrinkle layer is 1.0-1.5mm thick, the waterproof layer is 2-3mm thick, and the skin-friendly layer is 3-5mm thick.
2. The waterproof crease-free synthetic leather according to claim 1, wherein: the fiber layer is woven by one of jute fiber, flax fiber, bamboo fiber and protein fiber by a warp and weft weaving method.
3. The waterproof crease-free synthetic leather according to claim 1, wherein: the anti-wrinkle layer comprises an alumina fiber layer; and an anti-wrinkle agent is adsorbed on the surface of the alumina fiber layer.
4. The waterproof crease-free synthetic leather according to claim 3, wherein: the anti-wrinkle agent comprises the following components in parts by weight: 1-2 parts of polyglutamic acid, 2-3 parts of polyglycine, 2-3 parts of guar gum, 0.1-0.3 part of tragacanth gum and 0.2-0.3 part of galactan.
5. The waterproof crease-free synthetic leather according to claim 1, wherein: the skin-friendly layer is prepared from cotton fibers and polyester fibers, and the bottom surface of the skin-friendly layer is uniformly distributed with the protrusions of the hemispheres.
6. The waterproof crease-free synthetic leather according to claim 2, wherein: and the fiber layer is subjected to antibacterial treatment by adopting an antibacterial liquid.
7. The waterproof crease-free synthetic leather according to claim 6, wherein: the antibacterial liquid comprises the following components in percentage by mass: rosemary essential oil 0.5-1 parts, zedoary extract 0.5-1.0 parts, lemongrass herb extract 1-3 parts, and the balance of purified water.
8. The waterproof layer is a waterproof breathable film and is made of polytetrafluoroethylene materials.
9. A method for preparing the waterproof crease-free synthetic leather according to any one of claims 1 to 8, which comprises the following steps:
step 1, paving the fiber layers on the front and back surfaces of the base layer by a needle punching method;
step 2, sequentially adding guar gum, polyglutamic acid, polyglycine, tragacanth gum and galactan into water according to mass fraction, stirring at high temperature, adding alumina fiber, standing for 5min, stirring for 5min, repeatedly treating for 3 times until the viscosity of the mixture is unchanged, and naturally cooling to room temperature to obtain the anti-wrinkle layer;
step 3, bonding the waterproof layer and the crease-resistant layer on the front surface and the back surface of the base layer through the water-based adhesive, and pressing and cooling;
and 4, adhering the skin-friendly layer to the surface of the anti-wrinkle layer through the water-based adhesive to obtain the waterproof crease-free synthetic leather.
10. The method for preparing the waterproof crease-free synthetic leather according to claim 9, wherein the method comprises the following steps: the stirring temperature of the step 2 is 55-60 ℃.
11. The method for preparing the waterproof crease-free synthetic leather according to claim 10, wherein the method comprises the following steps: and (3) stopping standing and stirring treatment when the viscosity of the mixture obtained in the step (2) is unchanged for 10 min.
12. The method for preparing the waterproof crease-free synthetic leather according to claim 9, wherein the method comprises the following steps: the hot pressing temperature of the step 3 and the step 4 is 180-200 ℃.
CN202010044171.XA 2020-01-15 2020-01-15 Waterproof crease-free synthetic leather and preparation method thereof Pending CN113119539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010044171.XA CN113119539A (en) 2020-01-15 2020-01-15 Waterproof crease-free synthetic leather and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010044171.XA CN113119539A (en) 2020-01-15 2020-01-15 Waterproof crease-free synthetic leather and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113119539A true CN113119539A (en) 2021-07-16

Family

ID=76771639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010044171.XA Pending CN113119539A (en) 2020-01-15 2020-01-15 Waterproof crease-free synthetic leather and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113119539A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107415341A (en) * 2017-08-30 2017-12-01 海宁市宏源无纺布业有限公司 A kind of reinforced children's footwear leather base cloth of screen cloth
CN109795167A (en) * 2017-11-17 2019-05-24 江西豪普高科涂层织物有限公司 A kind of crease-resistant microfiber synthetic leather

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107415341A (en) * 2017-08-30 2017-12-01 海宁市宏源无纺布业有限公司 A kind of reinforced children's footwear leather base cloth of screen cloth
CN109795167A (en) * 2017-11-17 2019-05-24 江西豪普高科涂层织物有限公司 A kind of crease-resistant microfiber synthetic leather

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
万树青主编: "《生物农药及使用技术》", 31 January 2003, 金盾出版社 *
郭腊梅主编: "《纺织品整理学》", 31 December 2005, 中国纺织出版社 *

Similar Documents

Publication Publication Date Title
EP2280619B1 (en) Garment bands including polymer compositions
MX2011011714A (en) Bonded fabric constructions with stretchability.
CN103129040A (en) Temperature-adjustable fabric
CN104997215A (en) Composite wool fabric
CN213919920U (en) Uvioresistant high-moisture-absorption polyester fabric
CN113119539A (en) Waterproof crease-free synthetic leather and preparation method thereof
CN102440448A (en) Fragrant down jacket
CN105951258A (en) Radiation-proof garment fabric
CN207403284U (en) A kind of warming wear-resisting type bamboo fibre fabric
CN210309437U (en) Soft and warm polyester acrylic fiber composite fabric
CN105533828B (en) A kind of seamless synthetism T-shirt
CN107599549A (en) A kind of wear-resisting Western-style trousers fabric of water proof type and its processing technology
CN211334952U (en) Novel polyester fabric with waterproof and breathable functions
CN209409494U (en) A kind of composite material of environment-friendly type
CN205601297U (en) A lining cloth for coated fabrics
CN106087443A (en) A kind of woven adhesive lining of the Degradable environment protection containing bamboo absorbent charcoal powder and preparation technology thereof
CN205553486U (en) A stealthy micelle lining cloth for avenging spin surface fabric
CN207274023U (en) A kind of novel composite fabric
CN111472180B (en) Adhesive interlining based on TPU (thermoplastic polyurethane) non-woven fabric, preparation method and application
CN111300929A (en) Waterproof breathable fabric and manufacturing method thereof
CN111572144A (en) Flame-retardant synthetic leather base cloth sofa fabric
CN104108227A (en) Waterproof fabric manufacturing method
CN220562285U (en) Elastic composite thermal jacquard
CN214983865U (en) Nylon fabric with strong waterproofness
CN216033051U (en) Crease-resistant real silk fabric

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210716