CN106519485B - A kind of antibacterial type swivel chair synthetic leather and preparation method thereof - Google Patents

A kind of antibacterial type swivel chair synthetic leather and preparation method thereof Download PDF

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Publication number
CN106519485B
CN106519485B CN201610932220.7A CN201610932220A CN106519485B CN 106519485 B CN106519485 B CN 106519485B CN 201610932220 A CN201610932220 A CN 201610932220A CN 106519485 B CN106519485 B CN 106519485B
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parts
fiber
surface layer
synthetic leather
preparation
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CN106519485A (en
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刘以东
徐广梅
崔庆
何双跃
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DONGTAI FUAN SYNTHETIC MATERIALS CO LTD
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DONGTAI FUAN SYNTHETIC MATERIALS CO LTD
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • 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
    • B32B2262/06—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
    • B32B2262/08—Animal fibres, e.g. hair, wool, silk
    • 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
    • B32B2307/554—Wear resistance
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Abstract

The invention discloses a kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；The surface layer comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 50 to 60 parts of plasticizer, 20 to 30 parts of aramid fiber, 20 to 30 parts of silk fiber, 5 to 10 parts of ramee, 10 to 20 parts of cotton fiber, 5 to 10 parts of foaming agent；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30 to 40 parts of calcium carbonate, 5 to 10 parts of stabilizer, 5 to 10 parts of polytetrafluoroethylene (PTFE).The preparation method is as follows: the preparation of (one) bottom, the preparation of (two) surface layer, (three) hot pressing are compound.The invention is strong, distinct characteristics, increases gas permeability and wearability comprehensively, and bottom and surface layer is made to be not easy in hot humid environment to be divided by corrosion.

Description

A kind of antibacterial type swivel chair synthetic leather and preparation method thereof
Technical field
The present invention relates to antibacterial type swivel chair synthetic leather and preparation method thereof.
Background technique
With the continuous development of society, living standards of the people increasingly improve, and requirement of the people for living environment is also increasingly It improves.Currently, swivel chair is not moisture resistance with synthetic leather, light fugitive, cracky, it is difficult to reach high-grade decorative effect.For natural leather, Due to being restricted by natural conditions, while the consciousness of protection animal is gradually reinforced in the whole world, and natural leather is reduced year by year. Currently, the antibacterial type swivel chair synthetic leather developed in the market, generally comprises surface layer and bottom, surface layer is generally mixed by polyvinyl chloride resin It closes various modifying agent to be kneaded, and bottom is generally fibrous layer, still, such synthetic leather gas permeability is bad, wear no resistance, Anti-corrosion acid-proof performance is poor, feel is not soft, and bottom and surface layer are easy to be corroded and divided in hot humid environment.On The biocidal property for the swivel chair synthetic leather stated is also bad, and for antibacterial problem, it is antibacterial to be promoted that some companies can be added bacteriostatic agent, But after washing repeatedly, the fungistatic effect of swivel chair synthetic leather, which will appear, sharply to be declined.
Summary of the invention
In view of the deficiencies of the prior art mentioned above, problems solved by the invention are as follows: provide a kind of by repeatedly washing it It has been able to maintain the antibacterial type swivel chair synthetic leather of fungistatic effect afterwards.
To solve the above problems, the technical solution adopted by the present invention is as follows:
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 50 to 60 parts of plasticizer, 20 to 30 parts of aramid fiber, silk 20 to 30 parts of fiber, 5 to 10 parts of ramee, 10 to 20 parts of cotton fiber, 5 to 10 parts of foaming agent；The bottom includes following The component of parts by weight: 100 parts of polyvinyl chloride resin, 30 to 40 parts of calcium carbonate, 5 to 10 parts of stabilizer, 5 to 10 parts of polytetrafluoroethylene (PTFE).
Further, the ratio of the cotton fiber and ramee is 2.
Further, aramid fiber and silk fiber weight fraction ratio are 0.8 to 1.2 in the surface layer.
Further, aramid fiber and silk fiber weight fraction ratio are 1 in the surface layer.
Further, the polytetrafluoroethylene (PTFE) parts by weight are 6 to 8 parts.
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；
B, mixed material is kneaded, mill, calendering, obtains bottom；
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Middle carry out heating stirring；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer；
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Further, the mixing time in the step a of the bottom preparation is controlled 40 to 50min.
Further, in the step A and step B of the preparation of the surface layer, the beating degree of beater is 65 to 70 ° of SR, mashing Time is 30 to 40min.
Further, mixing time is 20 to 30min in the step B of the preparation of the surface layer, controlled at 140 to 160 ℃。
Beneficial effects of the present invention
Ramee and cotton fiber is added in the present invention in surface layer, since ramee top is pointed, there is prodding and itching feeling, So it is not used in swivel chair synthetic leather generally, but ramee is also able to maintain very high biocidal property after multiple washing Can, by cotton fiber and the reasonable ratio setting of ramee, the prodding and itching feeling of ramee can be eliminated, increase the softness of surface layer Comfort level.The present invention is mixed with two kinds of specialty fibers in the polyvinyl chloride resin of surface layer, and aramid fiber intensity is high, acidproof corrosion-resistant；Silkworm Silk fiber moisture absorption, scattered wet performance are good, and gassiness, permeability are strong, and smooth surface is uniform, bright and clean grace；By aramid fiber and silk Fiber can increase the gas permeability and wearability of surface material by reasonable ratio simultaneously, and achieve the purpose that soft touch. The corrosion oxidation phenomenon of bottom and surface layer joint face in order to prevent, is added the polytetrafluoroethyl-ne of reasonable parts by weight in primer Alkene can effectively prevent the corrosion of bottom and surface layer joint face.The invention is strong, and distinct characteristics increase comprehensively Gas and wearability, and bottom and surface layer is made to be not easy in hot humid environment to be divided by corrosion.
Specific embodiment
The content of present invention is described in further detail below.
Embodiment 1
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 50 parts of plasticizer, 20 parts of aramid fiber, 20 parts of silk fiber, 5 parts of ramee, 10 parts of cotton fiber, 5 parts of foaming agent；Aramid fiber and silk fiber weight fraction ratio are 1；Cotton fiber and ramie Fibre weight portion rate 2；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30 parts of calcium carbonate, stabilizer 5 parts, 5 parts of polytetrafluoroethylene (PTFE).
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；Mixing time control exists 40min；
B, mixed material is kneaded, mill, calendering, obtains bottom.
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；The beating degree of beater is 65SR, when mashing Between be 30min；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying； The beating degree of beater is 65 ° of SR, beating time 30min；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Middle carry out heating stirring；Mixing time is 20min, controlled at 140 DEG C；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer.
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Embodiment 2
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 52 parts of plasticizer, 24 parts of aramid fiber, 22 parts of silk fiber, 6 parts of ramee, 11 parts of cotton fiber, 7 parts of foaming agent；Aramid fiber and silk fiber weight fraction ratio are 1.09；Cotton fiber and Ramee weight fraction ratio 1.83；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, calcium carbonate 33 Part, 7 parts of stabilizer, 6 parts of polytetrafluoroethylene (PTFE).
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；Mixing time control exists 42min；
B, mixed material is kneaded, mill, calendering, obtains bottom.
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；The beating degree of beater is 62 ° of SR, when mashing Between be 33min；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying； The beating degree of beater is 62 ° of SR, beating time 33min；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Middle carry out heating stirring；Mixing time is 23min, controlled at 145 DEG C；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer.
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Embodiment 3
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 55 parts of plasticizer, 25 parts of aramid fiber, 25 parts of silk fiber, 7 parts of ramee, 14 parts of cotton fiber, 7 parts of foaming agent；Aramid fiber and silk fiber weight fraction ratio are 1；Cotton fiber and ramie Fibre weight portion rate 2；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 35 parts of calcium carbonate, stabilizer 7 parts, 7 parts of polytetrafluoroethylene (PTFE).
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；Mixing time control exists 45min；
B, mixed material is kneaded, mill, calendering, obtains bottom.
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；The beating degree of beater is 67 ° of SR, when mashing Between be 35min；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying； The beating degree of beater is 67 ° of SR, beating time 35min；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Middle carry out heating stirring；Mixing time is 25min, controlled at 150 DEG C；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer.
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Embodiment 4
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 56 parts of plasticizer, 28 parts of aramid fiber, 29 parts of silk fiber, 8 parts of ramee, 15 parts of cotton fiber, 7 parts of foaming agent；Aramid fiber and silk fiber weight fraction ratio are 0.97；Cotton fiber and Ramee weight fraction ratio 1.875；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, calcium carbonate 35 Part, 7 parts of stabilizer, 8 parts of polytetrafluoroethylene (PTFE).
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；Mixing time control exists 45min；
B, mixed material is kneaded, mill, calendering, obtains bottom.
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；The beating degree of beater is 67 ° of SR, when mashing Between be 35min；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying； The beating degree of beater is 67 ° of SR, beating time 35min；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Carry out heating stirring；Mixing time is 25min, controlled at 150 DEG C；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer.
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Embodiment 5
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 58 parts of plasticizer, 27 parts of aramid fiber, 28 parts of silk fiber, 9 parts of ramee, 18 parts of cotton fiber, 8 parts of foaming agent；Aramid fiber and silk fiber weight fraction ratio are 0.96；Cotton fiber and Ramee weight fraction ratio 2；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 38 parts of calcium carbonate, steady Determine 7 parts of agent, 9 parts of polytetrafluoroethylene (PTFE).
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；Mixing time control exists 47min；
B, mixed material is kneaded, mill, calendering, obtains bottom.
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；The beating degree of beater is 67 ° of SR, when mashing Between be 37min；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying； The beating degree of beater is 67 ° of SR, beating time 37min；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Middle carry out heating stirring；Mixing time is 28min, controlled at 157 DEG C；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer.
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Embodiment 6
A kind of antibacterial type swivel chair synthetic leather, including bottom and surface layer；The surface layer is fitted in the two sides of bottom；It is described Surface layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 60 parts of plasticizer, 30 parts of aramid fiber, 30 parts of silk fiber, 10 parts of ramee, 19 parts of cotton fiber, 10 parts of foaming agent；Aramid fiber and silk fiber weight fraction ratio are 1；Cotton fiber and ramie Flaxen fiber weight fraction ratio 1.9；The bottom comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 40 parts of calcium carbonate, steady Determine 10 parts of agent, 10 parts of polytetrafluoroethylene (PTFE).
The preparation method of one antibacterial type swivel chair synthetic leather, steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；Mixing time control exists 47min；
B, mixed material is kneaded, mill, calendering, obtains bottom.
(2) preparation of surface layer:
A, according to parts by weight in the mixture of aramid fiber and silk fiber plus water, be then placed in pulper carry out it is broken Solution, obtains mixed slurry；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；It finally will trip From shape fiber pulp by squeezing, drying, stand-by dry mixed fiber pulp is obtained；The beating degree of beater is 67 ° of SR, when mashing Between be 37min；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Middle carry out size degradation, obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, obtain free shape Bacteriostatic fiber slurry；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying； The beating degree of beater is 67 ° of SR, beating time 37min；
C, dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent are sent into rabble furnace Middle carry out heating stirring；Mixing time is 28min, controlled at 157 DEG C；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer.
(3) hot pressing is compound:
By bottom and surface layer as on compounding machine, by preheating, flattening, fitting, cooling process, synthetic leather is obtained.
Performance test of the invention:
The gas permeability to embodiment 1 to 6, wearability, corrosion resistance, biocidal property are subjected to integration test below.
The antibacterial type swivel chair of embodiment 1 to 6 is subjected to wear rate test by GB/T3960-1983 method with synthetic leather.
The Household ornament wallpaper synthetic leather of embodiment 1 to 6 is subjected to gas permeability in 200Pa pressure using gas permeability detector It can test.
The antibacterial type swivel chair of embodiment 1 to 6 is placed in 80 DEG C with synthetic leather, be covered in the environment of vapor 2 months into The test of row corrosion resistance.
The swivel chair of embodiment 1 to 6 is attached on wooden basal plane respectively with synthetic leather, at room temperature, relative humidity 50-70% Under conditions of, it stores 30 days, detecting it, (what the bacteriostasis rate data in following table took is in wooden base to the fungistatic effects of Escherichia coli The average value of the testing result in face).
Following table shows the wearability, gas permeability, bacteriostasis property of each embodiment.
It will be seen that from upper table, wear rate of the invention, gas permeability, biocidal property are reinforced, when aramid fiber and silkworm When silk fiber weight fraction ratio is 1, gas permeability achievees the effect that relatively good；Wearability increases with the dosage of aramid fiber, Wear-resisting property is also reinforced therewith, but when aramid fiber reaches 25 parts, wearability has reached very high level, and wear-resisting The floating of property is very small；On the basis of reaching 98% fungistatic effect, when cotton fiber and ramee weight fraction ratio are 2, The tingling sensation of surface layer disappears, and keeps very high fungistatic effect；To sum up, the present invention tool have good wearability, gas permeability, suppression Bacterium property has accomplished the purpose taken into account.When polytetrafluoroethylene (PTFE) parts by weight are 6 to 8, resistance to oxidation and corrosive nature are best simultaneously.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of antibacterial type swivel chair synthetic leather, which is characterized in that including bottom and surface layer；The surface layer is fitted in bottom Two sides；The surface layer comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 50 to 60 parts of plasticizer, aramid fiber 20 to 30 parts, 20 to 30 parts of silk fiber, 5 to 10 parts of ramee, 10 to 20 parts of cotton fiber, 5 to 10 parts of foaming agent；The bottom Comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30 to 40 parts of calcium carbonate, 5 to 10 parts of stabilizer, polytetrafluoroethylene (PTFE) 5 to 10 parts.
2. antibacterial type swivel chair synthetic leather according to claim 1, which is characterized in that the cotton fiber and ramee Ratio be 2.
3. antibacterial type swivel chair synthetic leather according to claim 1, which is characterized in that in the surface layer aramid fiber and Silk fiber weight fraction ratio is 0.8 to 1.2.
4. antibacterial type swivel chair synthetic leather according to claim 1, which is characterized in that in the surface layer aramid fiber and Silk fiber weight fraction ratio is 1.
5. antibacterial type swivel chair synthetic leather according to claim 1, which is characterized in that the polytetrafluoroethylene (PTFE) parts by weight It is 6 to 8 parts.
6. according to claim 1 to the preparation method of antibacterial type swivel chair synthetic leather described in 5 any one, which is characterized in that Steps are as follows:
(1) preparation of bottom:
A, each component of bottom is stirred mixing according to parts by weight in blender；
B, mixed material is kneaded, mill, calendering, obtains bottom；
(2) preparation of surface layer:
A, aramid fiber and silk fiber are mixed according to parts by weight, in the mixture plus water, is then placed in pulper Size degradation is carried out, mixed slurry is obtained；Then mixed slurry is sent into beater and is beaten, obtain free shape fiber pulp；Most Free shape fiber pulp is obtained into stand-by dry mixed fiber pulp by squeezing, drying afterwards；
B, ramee and cotton fiber are mixed according to parts by weight, in the mixture plus water, be then placed in pulper into Row size degradation obtains antibacterial mixed slurry；Then antibacterial mixed slurry is sent into beater and is beaten, it is antibacterial to obtain free shape Fiber pulp；Finally free shape bacteriostatic fiber is starched by squeezing, drying, obtains the antibacterial composite fibre slurry of stand-by drying；
C, by dry mixed fiber pulp, dry antibacterial composite fibre slurry, polyvinyl chloride resin, plasticizer, foaming agent feeding rabble furnace into Row heating stirring；
D, the mixed material being sufficiently stirred in C is kneaded, mill, calendering, obtains surface layer；
(3) hot pressing is compound:
Bottom and surface layer are placed on compounding machine, by preheating, flattening, fitting, cooling process, obtain synthetic leather.
7. the preparation method of antibacterial type swivel chair synthetic leather according to claim 6, which is characterized in that the bottom preparation Step a in mixing time control 40 to 50min.
8. the preparation method of antibacterial type swivel chair synthetic leather according to claim 6, which is characterized in that the system of the surface layer In standby step A and step B, the beating degree of beater is 65 to 70 SR, and beating time is 30 to 40min.
9. the preparation method of antibacterial type swivel chair synthetic leather according to claim 6, which is characterized in that the surface layer Mixing time is 20 to 30min in the step C of preparation, controlled at 140 to 160 DEG C.
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