CN106393941B - The production technology and automobile composite material of the automotive compounded fabric of non-woven fabrics double-dot coating - Google Patents
The production technology and automobile composite material of the automotive compounded fabric of non-woven fabrics double-dot coating Download PDFInfo
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- CN106393941B CN106393941B CN201610795744.6A CN201610795744A CN106393941B CN 106393941 B CN106393941 B CN 106393941B CN 201610795744 A CN201610795744 A CN 201610795744A CN 106393941 B CN106393941 B CN 106393941B
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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
- B32B37/1284—Application of adhesive
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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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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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
- B32B37/10—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
- 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
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0212—Roof or head liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0237—Side or rear panels
- B60R13/0243—Doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0237—Side or rear panels
- B60R13/025—Pillars; Roof rails
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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
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/244—All polymers belonging to those covered by group B32B27/36
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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
- 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
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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
- 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]
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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
- 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
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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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
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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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Manufacturing Of Multi-Layer Textile Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to fabric technical field more particularly to a kind of production technologies and automobile composite material of the automotive compounded fabric of non-woven fabrics double-dot coating.It solves the problems such as prior art is also easy to produce point and high peel strength.The production technology of the automotive compounded fabric of this non-woven fabrics double-dot coating includes the following steps：A, gluing；B, compound.The automobile composite material formed is processed by the production technology.The advantage of the invention is that：Manufacturing cost can be reduced and point can be avoided the occurrence of, peel strength, fluffy degree and pliability can be improved.
Description
Technical field
The invention belongs to fabric technical field more particularly to a kind of production works of the automotive compounded fabric of non-woven fabrics double-dot coating
Skill and automobile composite material.
Background technology
Warp knit automobile composite material is widely used in automotive trim, and the wherein higher position of performance requirement is column, door-plate
And ceiling.The warp knit automobile fabric of these parts be typically necessary elder generation and non-woven fabrics or PU bottom foam layers it is compound after go to note again
Modeling, the modes such as lamination or glue bonding are compounded on other materials.Automobile it is compound with non-woven fabrics general needle thorn or spun lacing without
Woven fabric.
Glue is compound to cause the new car smell problem for being difficult to restrain because to use organic solvent, and follow-up injection molding with
Glue aged deterioration in hot pressing Compound Machining.Therefore, use is severely limited, has not been main complex method.
Automobile fabric is to use hot melt adhesive dusting composite algorithm with non-woven fabric compounded technology common methods.Be typically allow spun lacing or
Needle punched non-woven fabrics one side uniformly sprinkles hot melt adhesive rubber powder, then adds the non-woven fabrics after dusting by drying chamber far infrared radiation
Heat allows rubber powder to melt, and is then combined with each other under temperature and pressure effect by the Heating roll with blanket band together with fabric,
Then cooling down clot.Whole process is to complete entire fabric and nonwoven in a dusting heating composite production line previous step method
Cloth recombination process.The hot melt adhesive of usual dusting is PA (polyamide) or PES (polyester) type, in order to ensure non-woven fabrics
Secured with automobile knitting fabric bonding, general dusting amount is at 20-28 grams/every square metre, it is desirable that peel strength is in 10N/ after compound
5CM or more.After compound fabric front to ensure cannot to find point (hot melt adhesive tablet is excessive, with fabric it is compound after fabric just
See the shadow or trace that hot melt adhesive leaves in face) and destroy fabric appearance.
Potential quality problems existing for traditional compound one-step method of dusting：
1：Will the uniform dusting on the entire composite surface of non-woven fabrics, consume rubber powder amount it is big, be typically necessary dusting amount in 20-28
Gram/every square metre.Rubber powder bond properties utilization rate is not high.Hot melt adhesive waste is larger.
2：The all uniform dusting of entire composite surface, the harder plate of compound rear feel, fluffy degree and pliability decline serious.
3：Due to the influence that electrostatic and light air flow move in space at dusting, rubber powder, which drifts and assembles, to be difficult to control, because
This is in entire door width and process time section, and dusting uniformity is extremely difficult control in fact, thus dusting quality is to be difficult to
Ensure.This is also why dusting amount wants sufficiently large reason.
4：Dusting equipment performance requirement is very high, involves great expense, and suitable dusting equipment supplier has Switzerland Ka Weitaike public
Department etc.；Dusting position space environment humidity and air quantity will be controlled strictly simultaneously, this is also to be difficult to ensure in production, is generally required
It is installed additional at cloth feeding and eliminates the devices such as electrostatic equipment and humidifier.Dusting part is closed as far as possible, the rubber powder that Anti-blow-open disorderly falls.
5：There is a micro presence in (grain size is less than 80um) part always because ultra-fine in rubber powder, fine in the case of big dusting amount
Rubber powder, which reunites with collecting, is adsorbed on the certain positions of dusting equipment, and agglomerating fall forms diameter 2- on non-woven cloth coating face from time to time
The big powder ball of 3mm, big powder ball diameter are far longer than rubber powder 80-200um diameter ranges, are readily formed point after compound, cause
Quality problems, it is serious automobile component to be caused to scrap.
For dusting coating, in coating technology field also have powder point coating method and double-dot coating method etc. its
He is used for combination process at coating process.They are all to be substituted taking human as the dotted coating technology of design on entire composite surface uniformly
The technique of dusting coating, such benefit are the utilization rate highers of hot-melt adhesive powder, and resin added is few, good hand touch, and bonding more securely may be used
It leans on.But the powder point coating technique in lining cloth technical field, base fabric will could be allowed by high temperature and hot pressing in powder engraved roll
Hot-melt adhesive powder is transferred on non-woven fabrics, can cause to seriously affect (especially to the water of of a relatively loose softness to the feel of non-woven fabrics
Thorn or needle punched non-woven fabrics non-woven fabrics), the electrostatic powder ball fallen once in a while will also result in point phenomenon.Form enough bonding jails
Degree, in general, glue point diameter also will be in 0.3-1mm or so, for the high automobile fabric front of appearance requirement, 45 after coating
When spending oblique extension, it is easy to find the trace that glue point convexes to form, the appearance as point.Therefore, automobile fabric
Field of compounding can not use substantially.
Secondly, the double-dot coating technology that lining cloth coatings art uses, fabric is needed through special water repellent and soft treatment, glue
Dot density is in 40-130 points/square centimeter, and coating amount is at 6-13 grams/m.But the automobile composite non woven of spun lacing and needle thorn
For cloth non-woven fabrics all without the processing of any special surface, above-mentioned coating amount cannot ensure enough peel strengths, be applied if only increased
Layer amount can improve peel strength, but can be because glue point is excessive, and density is excessively uncommon, and class can be found when 45 degree of directions stretch after compound
Like point phenomenon, finished appearance is destroyed.
Therefore, non-woven fabrics and knitting automobile fabric are used for hot melt adhesive combination process, it is necessary to using except dusting
Coating new process outside method improves above-mentioned quality problems.
Invention content
Regarding the issue above, the present invention provides a kind of can reduce manufacturing cost and can avoid the occurrence of point,
The production technology of the automotive compounded fabric of non-woven fabrics double-dot coating of peel strength, fluffy degree and pliability can be improved.
Another object of the present invention is the no point and stripping is strong in view of the above-mentioned problems, to provide a kind of manufacturing cost low
Degree is high, fluffy degree and the preferable automobile composite material of pliability.
In order to achieve the above objectives, present invention employs following technical proposals：The automotive compounded fabric of this non-woven fabrics double-dot coating
Production technology, this technique includes the following steps：
A, gluing：It will determine that the non-woven fabrics after coat side is placed on the reel-off stand of double-dot coating machine and puts on cloth, passed through
It is 14-20 that double-dot coating technique processes double-dot coating and the coating amount of the double-dot coating on non-woven cloth coating face in coat side
Gram/every square metre, that is, obtained one side has cated non-woven fabrics；Wherein, which is processed by following steps forms：
A1,30-40 mesh of the holes the hole density 150-200/every square centimeter and aperture between 0.2-0.3 millimeters is selected to calculate
The double-dot coating cylinder of machine design arrangement, and cylinder wall thickness is between 0.15-0.22 millimeters；
A2, slurry point coating is first carried out in coat side by cylinder, the raw material of the slurry point coating is polyacrylate breast
Liquid and its solid content 40% add auxiliary adjustment agent in polyacrylate dispersion；
A3, dusting coating processing being carried out on slurry point coating, the raw material of the dusting coating is copolyesters hot melt adhesive powder,
Then pressure-vaccum powder is carried out, and heating makes hot-melt adhesive powder fusing to be bonded with slurry point coating in drying chamber；
B, compound：By warp knit automobile fabric and non-woven fabrics tool cated one on roller blanket belt type heat-pressing compound machine
Face hot pressing is combined with each other, that is, non-woven fabrics and the compound automobile composite material finished product of automobile fabric is made.
In the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating, in above-mentioned step A, the slurry
The mass ratio of point coating and dusting coating is 15-20%：75-80%.
In the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating, in above-mentioned step B, the roller
140-142 DEG C of the compound roll surface temperature of cylinder blanket belt type heat-pressing compound machine, 2-5 kilograms of pressure roller air pressure/every square centimeter, compounding machine
8-15 ms/min of speed.
It is described in above-mentioned step A in the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating
Non-woven fabrics is the terylene spunlace non-woven cloth of 100% terylene short fiber ingredient, is 100 grams/every square metre by 154 centimetres of door and specification
Terylene spunlace non-woven cloth judged coat side after be placed on the reel-off stand of double-dot coating machine and put on cloth, the vehicle of double-dot coating machine
Speed is set in 22 ms/min, and drying room temperature is warming up to 185 DEG C；Select computer 180 holes/square centimeter that disorderly point arranges, wall thickness
The cylinder in 0.18 millimeter and 0.22 millimeter of aperture；Select the polyacrylate prime cement of 760 trades mark and according to 3.5-4 grams of primary coat/every
Square metre polyacrylate solid content adjust machine parameter, polyacrylate prime cement is shifted and puts to be coated in by cylinder and is washed
In the coat side of synthetic fibre spunlace non-woven cloth；The copolyesters hot melt adhesive powder is 80-170 microns of grain size, fusing point is that optical method measures
131 DEG C, the polyester powder that melt index MFI values are 15-25, suitable polyester powder will be put into dusting slot and by polyester adhesive
Powder dispenses, and adjusts duster and pressure-vaccum powder equipment parameter according to 12-13 grams/every square metre of amount of finished product dusting coating amount, that is, system
Must have cated terylene spunlace non-woven cloth；
In above-mentioned step B, 28 needles that the warp knit automobile fabric is 160 grams/every square metre and 156 centimetres
Three comb terylene warp-knitted face fabrics, cated terylene spunlace non-woven cloth and warp knit automobile will be had by starting roller blanket belt type heat-pressing compound machine
Fabric is combined with each other.
It is described in above-mentioned step A in the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating
Non-woven fabric component is the terylene spunlace non-woven cloth of 70% terylene short fiber and the short fibre of 30% modified dacron, by 154 centimetres of door and is advised
Lattice are to be placed on the reel-off stand of double-dot coating machine and wear after 120 grams/every square metre of terylene spunlace non-woven cloth has judged coat side
The speed of good cloth, double-dot coating machine is set in 22 ms/min, and drying room temperature is warming up to 185 DEG C；Computer is selected disorderly to put arrangement
180 holes/square centimeter, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture cylinder；Select the polyacrylate prime cement of 760 trades mark and
Machine parameter is adjusted according to the solid content of 3.5-4 grams/every square metre of polyacrylate of primary coat, by cylinder by polyacrylate
Prime cement is shifted and is put and is coated in the coat side of terylene spunlace non-woven cloth；The copolyesters hot melt adhesive powder is that grain size 80-170 is micro-
The polyester powder that rice, fusing point are 131 DEG C of optical method measurement, melt index MFI values are 15-25, will be put into appropriate in dusting slot
Polyester powder and polyester powder is dispensed, according to the amount of 12-13 grams/every square metre of finished product dusting coating amount adjust duster and
Pressure-vaccum powder equipment parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
In above-mentioned step B, 28 needles that the warp knit automobile fabric is 170 grams/every square metre and 156 centimetres
Three comb terylene warp-knitted face fabrics, cated terylene spunlace non-woven cloth and warp knit automobile will be had by starting roller blanket belt type heat-pressing compound machine
Fabric is combined with each other.
It is described in above-mentioned step A in the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating
Non-woven fabric component is the terylene spunlace non-woven cloth of 70% terylene short fiber and 30% polypropylene chopped fiber, is by 154 centimetres of door and specification
130 grams/every square metre of terylene spunlace non-woven cloth is placed on the reel-off stand of double-dot coating machine and puts on cloth after having judged coat side,
The speed of double-dot coating machine is set in 22 ms/min, and drying room temperature is warming up to 185 DEG C；Computer is selected disorderly to put the 180 of arrangement
Hole/square centimeter, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture cylinder；It selects the polyacrylate prime cement of 760 trades mark and presses
Machine parameter is adjusted according to the solid content of 3.5-4 grams/every square metre of polyacrylate of primary coat, by cylinder by polyacrylate bottom
Slurry is shifted and is put and is coated in the coat side of terylene spunlace non-woven cloth；The copolyesters hot melt adhesive powder be 80-170 microns of grain size,
The polyester powder that fusing point is 131 DEG C of optical method measurement, melt index MFI values are 15-25 will be put into suitable poly- in dusting slot
Ester gum powder and polyester powder is dispensed, duster and pressure-vaccum are adjusted according to 10-12 grams/every square metre of amount of finished product dusting coating amount
Powder equipment parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
In above-mentioned step B, 28 needles that the warp knit automobile fabric is 110 grams/every square metre and 156 centimetres
Three comb terylene warp-knitted face fabrics, cated terylene spunlace non-woven cloth and warp knit automobile will be had by starting roller blanket belt type heat-pressing compound machine
Fabric is combined with each other.
In the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating, the step A and step B it
Between further include step：C, it examines, will have cated non-woven fabrics on one side and irradiated under ultraviolet light, in the rubber powder of dusting coating
Extremely micro fluorescer can send out white light, you can to observe coating point-type and quality, if there is unqualified place can be cut out again
Clot is sutured.The detection for verifying as the other formula of multiple fractionation and carrying out quality.
It is described auxiliary in above-mentioned step A in the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating
It is to include to help conditioning agent ingredient：Thickener and ammonium hydroxide.
In the production technology of the above-mentioned automotive compounded fabric of non-woven fabrics double-dot coating, also wrapped after the step B
Include step：D, it winds, 152 centimetres of door width ＞ at winding.
This automobile composite material, the automobile composite material is processed by the production technology to be formed.
Compared with prior art, the production technology and automobile composite material of the automotive compounded fabric of this non-woven fabrics double-dot coating
The advantages of be：
1, more preferable with the traditional dusting combination process effect of double-dot coating technique replacement after improvement.Rubber powder use can be saved
Amount, improves the indexs such as elongation percentage and feel gas permeability, and peel strength is more solid and reliable.
2, the double-dot coating after improving, perching, compound three-steps process can more ensure the quality of composite finished product.Repeatedly
Classification carries out quality testing, it is possible to reduce the waste of expensive warp knit automobile fabric, because of the problem of perching is chosen coating non-woven fabrics
Cost is much lower.A traditional step dusting combination process is if there is problem, it is possible to which high-volume is all scrapped.
3, ready-made adhesive lining coating apparatus and the separation equipments such as cloth inspecting machine and pulley type compounding machine can be utilized, are slightly changed
The automobile fabric coating Compound Machining that expensive high quality requires can be carried out by bringing up.Save great amount of investment.
4, conventional adhesive lining two point technique cannot be directly applied to automobile fabric field of compounding, and it is multiple to need to screen suitable automobile
The prime cement of fabric performance, rubber powder are closed, the techniques such as cylinder specifications parameter and coating amount can just meet the requirement in the field.This is also vapour
The technique particularity of vehicle fabric double-dot coating technique.
When 5, carrying out double-dot coating to non-woven fabrics, because with the presence of pressure-vaccum powder process, electrostatic glue that when dusting may fall
Powder ball, it is no matter much, it can only also be sticked by slurry point surface, the rubber powder group more than prime cement surface can all be fallen by pressure-vaccum, cannot be formed
Common point when dusting coating.
6, it has further ensured final product quality, has increased the flexibility of small lot production, reduce inventory value.
Description of the drawings
Fig. 1 is the structural schematic diagram of automobile composite material provided by the invention.
Fig. 2 is process flow diagram provided by the invention.
Fig. 3 is the structural schematic diagram of double-dot coating provided by the invention.
Fig. 4 is the structural schematic diagram at compound place provided by the invention.
In figure, non-woven fabrics 1, double-dot coating 2, slurry point coating 21, dusting coating 22, warp knit automobile fabric 3.
Specific implementation mode
Below be invention specific embodiment and in conjunction with attached drawing, technical scheme of the present invention will be further described, but
Invention is not limited to these embodiments.
Embodiment one
As shown in Figs 1-4, the production technology of the automotive compounded fabric of this non-woven fabrics double-dot coating includes the following steps：
A, gluing：It will determine that the non-woven fabrics after coat side 1 is placed on the reel-off stand of double-dot coating machine and puts on cloth, passed through
Double-dot coating technique processes double-dot coating 2 in coat side and the coating amount of the double-dot coating 2 in 1 coat side of non-woven fabrics is
14-20 grams/every square metre, that is, obtained one side has cated non-woven fabrics；Wherein, which processes shape by following steps
At：
A1,30-40 mesh of the holes the hole density 150-200/every square centimeter and aperture between 0.2-0.3 millimeters is selected to calculate
The double-dot coating cylinder of machine design arrangement, and cylinder wall thickness is between 0.15-0.22 millimeters；This sampling point is small and fine and closely woven, coating amount
Big compared with adhesive lining technique, adhesive strength is big and reliable, but compared with orthodox car fabric dusting combination process, dusting coating amount is also
It is few consumption similar 1/3.
A2, slurry point coating 21 is first carried out in coat side by cylinder, the raw material of the slurry point coating is polyacrylate
Lotion and its solid content 40% add auxiliary adjustment agent in polyacrylate dispersion；The auxiliary adjustment agent ingredient is to include：Increase
Thick dose and ammonium hydroxide.Thickener is connection carbonizer's acrylic thickener, trade mark PTF.Ammonium hydroxide：Adjust slurry pH value.
A3,22 processing of dusting coating is carried out on slurry point coating, the raw material of the dusting coating 22 is copolymerization esters hot melt
Then rubber powder carries out pressure-vaccum powder, and heating makes hot-melt adhesive powder fusing to be bonded with slurry point coating 21 in drying chamber；Copolyesters
It can prevent xanthochromia and thermal decomposition to hot melt adhesive powder, there is the matching of excellent endurance quality and good subsequent machining technology
Property, following process strike-through is prevented, point is generated or peel strength declines.Secondly, it is saved compared to traditional dusting combination process big
The hot-melt adhesive powder dosage of amount.
B, compound：It is on roller blanket belt type heat-pressing compound machine that warp knit automobile fabric 3 and non-woven fabrics tool is cated
Hot pressing is combined with each other on one side, that is, non-woven fabrics and the compound automobile composite material finished product of automobile fabric is made.In roller blanket belt type
Band carry work feed guipure before the composite roller of heat-pressing compound machine, band air intake device below guipure, suction air volume can with variable frequency adjustment,
The elongation percentage of finished product can be more preferably adjusted in this way.
Further include step between the step A and step B：C, it examines, will have cated non-woven fabrics on one side in purple
It is irradiated under outside line light, extremely micro fluorescer can send out white light in the rubber powder of dusting coating, you can to observe coating point-type
And quality, clot has been sutured again if there is unqualified place can be cut out, and is marked and is recorded.It can ensure composite quality in this way
With the mass loss for reducing expensive automobile fabric.
Further include step after the step B：D, it winds, 152 centimetres of door width ＞ at winding.The observation platform before winding
Upper observation coating point-type, inspection door width and feel, and the total coating amount of sampling and testing, sample will also send testing chamber's inspection and vapour immediately
The bonding peel strength of vehicle fabric, physical indexs such as elongation percentage etc..
Double-dot coating technique is that first coating materials point coating (can be the pulpous state that Thermoplastic hot melt rubber powder is done on non-woven fabrics
Object can also be the slurry of thermosetting resin), hot-melt adhesive powder is then uniformly sprinkled, spot printing then will be starched by pressure-vaccum powder again
The extra hot-melt adhesive powder of interlayer sops up, and only retains the hot-melt adhesive powder above dotted slurry point coating.Then by the nothing after double-dot coating
It is in dotted resin that slurry point coating and hot-melt adhesive powder are dried crosslinking fusing by woven fabric through drying chamber, then compound with being pressurizeed by compound heating
Technique.The non-woven fabrics of double-dot coating technique is not necessarily to before coating by high temperature (unlike powder point coating must first add non-woven fabrics
Heat) and pressure (pressure is needed when powder point coating to shift hot-melt adhesive powder group), therefore feel is fine, prime cement generally compound tense without
It needs to melt, it is only necessary to which a small amount of hot-melt adhesive powder provides for sufficiently high adhesive strength.Moreover, by pressure-vaccum powder, even if in coating
The electrostatic rubber powder group that position occurs once in a while, can also easily be sucked away, and be not likely to occur big rubber powder and roll into a ball the point matter to be formed
Amount problem.If pulp spot printing layer time point slurry is uniform, the form starched a little is uniform in size, slurry point coating point-type and coating uniformity control
It is easy to be more many than the control of the dusting uniformity, influenced by environmental factor it is small, with electrostatic and not related, the follow-up dusting of air flowing
Although the uniformity also requires, rubber powder spread after can on cloth cover roll and be sticked to again slurry point a surface, so coating amount only with
Slurry point uniformity, slurry dot density is related with slurry point surface area, and the rubber powder not being stuck can be blotted only by device for inhaling powdery substances.Therefore double
Point coating bonding effect is easier to control.And because being spot bonding, fiber and yarn between points are not heated
Rubber powder sticks, thus feel more soft fluffy, it is compound after product elongation percentage higher, follow-up curved surface be laminated or be molded when outside
Sight effect is more preferable, and rejection rate is lower.Therefore, it is a kind of can be applied to the compound technical solution of automobile fabric.
In above-mentioned step A, the mass ratio of the slurry point coating 21 and dusting coating 22 is 15-20%：75-
80%.
In above-mentioned step B, 140-142 DEG C of the compound roll surface temperature of the roller blanket belt type heat-pressing compound machine, pressure
2-5 kilograms of roller air pressure/every square centimeter, 8-15 ms/min of compounding machine speed.
In above-mentioned step A, the non-woven fabrics 1 is the terylene spunlace non-woven cloth of 100% terylene short fiber ingredient, by door
The terylene spunlace non-woven cloth that 154 centimetres and specification are 100 grams/every square metre is placed on double-dot coating machine after having judged coat side
On reel-off stand and cloth is put on, the speed of double-dot coating machine is set in 22 ms/min, and drying room temperature is warming up to 185 DEG C；It selects and calculates
The cylinder of machine 180 holes/square centimeter that disorderly point arranges, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture, that is, cp180 cylinders；It selects
The polyacrylate prime cement of 760 trades mark and adjust machine according to the solid content of the polyacrylate of 3.5-4 grams/every square metre of primary coat
Polyacrylate prime cement is shifted and is put being coated in the coat side of terylene spunlace non-woven cloth by cylinder by parameter；The copolyesters
The polyester that hot melt adhesive powder is 80-170 microns of grain size, fusing point is 131 DEG C of optical method measurement, melt index MFI values are 15-25
Rubber powder, the hot-melt adhesive powder choose the polyester powder of Hai Tianyang companies, the trade mark 3122.It will be put into suitable polyester powder in dusting slot
And dispense polyester powder, adjust duster and pressure-vaccum powder equipment according to 12-13 grams/every square metre of amount of finished product dusting coating amount
Parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
Prepare to start double-dot coating machine after adjusting parameter.Whether clean observe coating cylinder working surface, slurry point turns
Whether shifting is uniformly complete, if problematic timely processing.Observation dusting whereabouts dusting is uniform, and whether pressure-vaccum powder is clean, and prime cement is clung
Rubber powder particle it is whether uniformly full, lose a little that either point-type is not full or coating is uneven or pressure-vaccum between points if having
The sordid situation of powder wants timely processing.Tension before and after the tension of machine sections position, especially coating head is regulated, disengaging is dried
Room tension, it is related to the elongation percentage and dimensional stability to heating in house of product after coating.
In above-mentioned step B, 28 needles that the warp knit automobile fabric is 160 grams/every square metre and 156 centimetres
Three comb terylene warp-knitted face fabrics, cated terylene spunlace non-woven cloth and warp knit automobile will be had by starting roller blanket belt type heat-pressing compound machine
Fabric is combined with each other, and in yardage roll, whether the various indexs of sample detection reach requirement end to end in time.
Further, the raw material of the warp knit automobile fabric and warp knitting fabrics specification：
GB1：30D/24F FDY 1-0/1-2/2-3/2-1//；
GB2：30D/24F FDY 2-3/2-1/1-0/1-2//；
GB3：75D/36F DTY 1-0/3-4//.
Automobile composite material after compound needs to detect following index and and standard comparing：
Whether the sub- tester test data of the positive face color electricity consumption of fabric is qualified；Whether peel strength value is (10N/5CM) up to standard；
Whether visible defect is qualified；Whether finished product elongation percentage is qualified；Whether fabric front there is point；Whether Oblique 45 Degree stretching sees fiber crops
Point；Whether square grammes per square metre is in indication range；Whether water repellent degree is up to standard；Smell checks whether qualification etc..
This automobile composite material is processed by above-mentioned production technology and is formed, including non-woven fabrics, is equipped in the one side of non-woven fabrics
Double-dot coating is equipped with warp knit automobile fabric in one side of the double-dot coating far from non-woven fabrics.
The fabric head of non-woven fabrics is sucked by air draft conveying device, and the fabric head of warp knit automobile fabric 3 is by air draft conveying device
It is sucked and so that the non-woven fabrics and warp knit automobile fabric 3 is penetrated roller blanket belt type heat-pressing compound machine by air draft conveying device, and
Non-woven fabrics has hot pressing cylinder of the cated one side far from roller blanket belt type heat-pressing compound machine, that is to say, that non-woven fabrics is far from double
The one side of point coating 2 is contacted with hot pressing cylinder.
Air draft conveying device includes the internal transport platform for cavity, all has conveying roller at the both ends of the transport platform, also
Including conveyer belt in a ring, said conveyer belt is sleeved on conveying roller and above-mentioned transport platform is located on the inside of conveyer belt, described defeated
Sending platform top has several perforative adsorption holes, close at above-mentioned adsorption hole on the inside of the conveyer belt, in the transport platform
The wind turbine of transport platform inner cavity air can be adsorbed by being also associated with；The conveyer belt is nylon wire band.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, and and therefore not to repeat here, and different place
It is：
In above-mentioned step A, 1 ingredient of non-woven fabrics is 70% terylene short fiber and 30% modified dacron is short fine washs
The terylene spunlace non-woven cloth that 154 centimetres of door and specification are 120 grams/every square metre has been judged coat side by synthetic fibre spunlace non-woven cloth
Cloth is placed on the reel-off stand of double-dot coating machine and put on afterwards, and the speed of double-dot coating machine is set in 22 ms/min, drying room temperature liter
Temperature is to 185 DEG C；Select the circle of computer 180 holes/square centimeter that disorderly point arranges, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture
Net；Select the solid content of the polyacrylate prime cement of 760 trades mark and the polyacrylate according to 3.5-4 grams/every square metre of primary coat
Machine parameter is adjusted, polyacrylate prime cement is shifted to and put by cylinder being coated in the coat side of terylene spunlace non-woven cloth；Institute
State copolyesters hot melt adhesive powder be 80-170 microns of grain size, fusing point be optical method measure 131 DEG C, melt index MFI values be 15-
25 polyester powder will be put into suitable polyester powder in dusting slot and dispense polyester powder, according to finished product dusting coating amount
12-13 grams/every square metre of amount adjusts duster and pressure-vaccum powder equipment parameter, that is, the cated terylene spun lacing nonwoven of tool is made
Cloth；
In above-mentioned step B, 28 needles that the warp knit automobile fabric is 170 grams/every square metre and 156 centimetres
Three comb terylene warp-knitted face fabrics, cated terylene spunlace non-woven cloth and warp knit automobile will be had by starting roller blanket belt type heat-pressing compound machine
Fabric is combined with each other.
The raw material and warp knitting fabrics specification of warp knit automobile fabric：
GB1：75D/36F DTY 1-0/3-4//
GB2：30D/24F FDY 2-3/2-1/1-0/1-2//；
GB3：30D/24F FDY 1-0/1-2/2-3/2-1//.
Embodiment three
The present embodiment is essentially identical with the structure and principle of embodiment one, and and therefore not to repeat here, and different place
It is：
In above-mentioned step A, 1 ingredient of non-woven fabrics is the terylene water of 70% terylene short fiber and 30% polypropylene chopped fiber
Prick nonwoven cloth is put after the terylene spunlace non-woven cloth that 154 centimetres of door and specification are 130 grams/every square metre has been judged coat side
On the reel-off stand of double-dot coating machine and cloth is put on, the speed of double-dot coating machine is set in 22 ms/min, and drying room temperature is warming up to
185℃；Select the cylinder of computer 180 holes/square centimeter that disorderly point arranges, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture；Choosing
Machine is adjusted with the polyacrylate prime cements of 760 trades mark and according to the solid content of the polyacrylate of 3.5-4 grams/every square metre of primary coat
Polyacrylate prime cement is shifted and is put being coated in the coat side of terylene spunlace non-woven cloth by cylinder by device parameter；The copolymerization
Esters hot-melt adhesive powder is 80-170 microns of grain size, fusing point is 131 DEG C of optical method measurement, melt index MFI values are the poly- of 15-25
Ester gum powder will be put into suitable polyester powder in dusting slot and dispense polyester powder, according to finished product dusting coating amount 10-12
Gram/every square metre of amount adjusts duster and pressure-vaccum powder equipment parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
In above-mentioned step B, 28 needles that the warp knit automobile fabric is 110 grams/every square metre and 156 centimetres
Three comb terylene warp-knitted face fabrics, cated terylene spunlace non-woven cloth and warp knit automobile will be had by starting roller blanket belt type heat-pressing compound machine
Fabric is combined with each other.
The raw material and warp knitting fabrics specification of warp knit automobile fabric：
GB1：30D/24F FDY 1-0/1-2/2-3/2-1//；
GB2：30D/24F FDY 2-3/2-1/1-0/1-2//；
GB3：75D/36F DTY 1-0/2-3//.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although non-woven fabrics 1, double-dot coating 2, slurry point coating 21, dusting coating 22, warp knit automobile is used more herein
The terms such as fabric 3, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe
With the essence for explaining the present invention；Any one of the additional limitations is construed as all to disagree with spirit of that invention.
Claims (9)
1. a kind of production technology of the automotive compounded fabric of non-woven fabrics double-dot coating, which is characterized in that this technique includes the following steps：
A, gluing：It will determine that the non-woven fabrics after coat side (1) is placed on the reel-off stand of double-dot coating machine and puts on cloth, by double
Point coating process processes the coating amount of double-dot coating (2) and the double-dot coating (2) in non-woven fabrics (1) coat side in coat side
It it is 14-20 grams/every square metre, that is, obtained one side has cated non-woven fabrics；Wherein, which is added by following steps
Work is formed：
A1, the holes hole density 150-200/30-40 mesh computer of the every square centimeter and aperture between 0.2-0.3 millimeters is selected to set
The double-dot coating cylinder of arrangement is counted, and cylinder wall thickness is between 0.15-0.22 millimeters；
A2, slurry point coating (21) is first carried out in coat side by cylinder, the raw material of the slurry point coating is polyacrylate breast
Liquid and its solid content 40% add auxiliary adjustment agent in polyacrylate dispersion；The auxiliary adjustment agent ingredient is to include：Increase
Thick dose and ammonium hydroxide；
A3, dusting coating (22) processing is carried out on slurry point coating, the raw material of the dusting coating (22) is copolymerization esters hot melt
Then rubber powder carries out pressure-vaccum powder, and heating makes hot-melt adhesive powder fusing to be bonded with slurry point coating (21) in drying chamber；
B, compound：By warp knit automobile fabric (3) and non-woven fabrics tool cated one on roller blanket belt type heat-pressing compound machine
Face hot pressing is combined with each other, that is, non-woven fabrics and the compound automobile composite material finished product of automobile fabric is made；
131 DEG C, the melt index MFI that the copolyesters hot melt adhesive powder is 80-170 microns of grain size, fusing point is optical method measurement
Value is the polyester powder of 15-25.
2. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1, which is characterized in that upper
In the step A stated, the mass ratio of the slurry point coating (21) and dusting coating (22) is 15-20%：75-80%.
3. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1, which is characterized in that upper
In the step B stated, 140-142 DEG C of the compound roll surface temperature of the roller blanket belt type heat-pressing compound machine, pressure roller air pressure 2-5 thousand
Gram/every square centimeter, 8-15 ms/min of compounding machine speed.
4. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1-3 any one, special
Sign is,
In above-mentioned step A, the non-woven fabrics (1) is the terylene spunlace non-woven cloth of 100% terylene short fiber ingredient, by door width
154 centimetres and specification are to be placed on moving back for double-dot coating machine after 100 grams/every square metre of terylene spunlace non-woven cloth has judged coat side
On volume frame and cloth is put on, the speed of double-dot coating machine is set in 22 ms/min, and drying room temperature is warming up to 185 DEG C；Select computer
The disorderly cylinder of the 180 holes/square centimeter, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture of point arrangement；Select polyacrylate prime cement
And machine parameter is adjusted according to the solid content of the polyacrylate of 3.5-4 grams/every square metre of primary coat, by cylinder by polyacrylic acid
Ester prime cement is shifted and is put and is coated in the coat side of terylene spunlace non-woven cloth；The copolyesters hot melt adhesive powder is that grain size 80-170 is micro-
The polyester powder that rice, fusing point are 131 DEG C of optical method measurement, melt index MFI values are 15-25, will be put into appropriate in dusting slot
Polyester powder and polyester powder is dispensed, according to the amount of 12-13 grams/every square metre of finished product dusting coating amount adjust duster and
Pressure-vaccum powder equipment parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
In above-mentioned step B, 28 needles three comb that the warp knit automobile fabric is 160 grams/every square metre and 156 centimetres
Terylene warp-knitted face fabric, cated terylene spunlace non-woven cloth and warp knit automobile fabric will be had by starting roller blanket belt type heat-pressing compound machine
It is combined with each other.
5. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1-3 any one, special
Sign is,
In above-mentioned step A, the non-woven fabrics (1) ingredient is the terylene of 70% terylene short fiber and the short fibre of 30% modified dacron
Spunlace non-woven cloth, after the terylene spunlace non-woven cloth that 154 centimetres of door and specification are 120 grams/every square metre has been judged coat side
It is placed on the reel-off stand of double-dot coating machine and puts on cloth, the speed of double-dot coating machine is set in 22 ms/min, drying room temperature heating
To 185 DEG C；Select the cylinder of computer 180 holes/square centimeter that disorderly point arranges, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture；
It selects polyacrylate prime cement and adjusts machine parameter according to the solid content of the polyacrylate of 3.5-4 grams/every square metre of primary coat,
Polyacrylate prime cement is shifted and is put by cylinder and is coated in the coat side of terylene spunlace non-woven cloth；The copolymerization esters hot melt
The polyester powder that rubber powder is 80-170 microns of grain size, fusing point is 131 DEG C of optical method measurement, melt index MFI values are 15-25,
It will be put into suitable polyester powder in dusting slot and dispense polyester powder, according to 12-13 grams/every square of finished product dusting coating amount
The amount of rice adjusts duster and pressure-vaccum powder equipment parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
In above-mentioned step B, 28 needles three comb that the warp knit automobile fabric is 170 grams/every square metre and 156 centimetres
Terylene warp-knitted face fabric, cated terylene spunlace non-woven cloth and warp knit automobile fabric will be had by starting roller blanket belt type heat-pressing compound machine
It is combined with each other.
6. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1-3 any one, special
Sign is,
In above-mentioned step A, the non-woven fabrics (1) ingredient is the terylene spun lacing of 70% terylene short fiber and 30% polypropylene chopped fiber
Non-woven fabrics is placed on after the terylene spunlace non-woven cloth that 154 centimetres of door and specification are 130 grams/every square metre has been judged coat side
On the reel-off stand of double-dot coating machine and cloth is put on, the speed of double-dot coating machine is set in 22 ms/min, and drying room temperature is warming up to
185℃；Select the cylinder of computer 180 holes/square centimeter that disorderly point arranges, 0.22 millimeter of 0.18 millimeter of wall thickness and aperture；Choosing
Machine parameter is adjusted with polyacrylate prime cement and according to the solid content of the polyacrylate of 3.5-4 grams/every square metre of primary coat, is led to
It crosses cylinder polyacrylate prime cement is shifted and is put and be coated in the coat side of terylene spunlace non-woven cloth；The copolyesters hot melt adhesive
The polyester powder that powder is 80-170 microns of grain size, fusing point is 131 DEG C of optical method measurement, melt index MFI values are 15-25, will
It is put into suitable polyester powder in dusting slot and dispenses polyester powder, according to 10-12 grams/every square metre of finished product dusting coating amount
Amount adjust duster and pressure-vaccum powder equipment parameter, that is, the cated terylene spunlace non-woven cloth of tool is made；
In above-mentioned step B, 28 needles three comb that the warp knit automobile fabric is 110 grams/every square metre and 156 centimetres
Terylene warp-knitted face fabric, cated terylene spunlace non-woven cloth and warp knit automobile fabric will be had by starting roller blanket belt type heat-pressing compound machine
It is combined with each other.
7. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1-3 any one, special
Sign is, further includes step between the step A and step B：C, it examines, will have cated non-woven fabrics on one side ultraviolet
Irradiated under line light, extremely micro fluorescer can send out white light in the rubber powder of dusting coating, you can with observe coating point-type and
Quality has sutured clot again if there is unqualified place can be cut out.
8. the production technology of the automotive compounded fabric of non-woven fabrics double-dot coating according to claim 1-3 any one, special
Sign is, further includes step after the step B：D, it winds, 152 centimetres of door width ＞ at winding.
9. a kind of automobile composite material, which is characterized in that the automobile composite material is by weighing 1-8 any one of them production technologies
Processing is formed.
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| CN112080841A (en) * | 2020-09-02 | 2020-12-15 | 世联汽车内饰（苏州）有限公司 | Preparation method of suede-like fabric for automobile ceiling |
| CN114801457A (en) * | 2021-01-18 | 2022-07-29 | 杭州华物智能设备有限公司 | High-quality laminating device |
| CN114211836A (en) * | 2021-12-20 | 2022-03-22 | 山东恒鹏卫生用品有限公司 | Elastic composite material with good elastic effect and preparation method thereof |
| CN115416113B (en) * | 2022-08-31 | 2023-05-12 | 华邦特西诺采新材料股份有限公司 | Preparation method of decorative laminated board with decorative paper |
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| CN203666065U (en) * | 2014-01-06 | 2014-06-25 | 浙江金三发粘合衬有限公司 | Knitted four-way stretchwashablelining |
| CN104997203A (en) * | 2015-06-18 | 2015-10-28 | 长兴虹波纺织有限公司 | Method for manufacturing composite non-woven fabric collar interlining |
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