CN107442370A - A kind of TPU interior leather for automobiles and preparation method thereof - Google Patents
A kind of TPU interior leather for automobiles and preparation method thereof Download PDFInfo
- Publication number
- CN107442370A CN107442370A CN201710814397.1A CN201710814397A CN107442370A CN 107442370 A CN107442370 A CN 107442370A CN 201710814397 A CN201710814397 A CN 201710814397A CN 107442370 A CN107442370 A CN 107442370A
- Authority
- CN
- China
- Prior art keywords
- tpu
- layer
- parts
- automobiles
- interior leather
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
- B05D1/283—Transferring monomolecular layers or solutions of molecules adapted for forming monomolecular layers from carrying elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B5/18—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 features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
- B32B2037/1223—Hot-melt adhesive film-shaped
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
- B32B2307/726—Permeability to liquids, absorption
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of TPU interior leather for automobiles and preparation method thereof, including foamed board basic unit, adhesive layer, TPU layer and aqueous polyurethane decorative layer, it is characterized in that：Bonded between the foamed board basic unit, adhesive layer, TPU layer by hot pressing mode, for the aqueous polyurethane cosmetic layer in TPU layer, the adhesive layer is TPU hot melt adhesive films.The invention has the advantages that：This TPU interior leather for automobiles can prevent interior leather for automobiles from changing colour at high temperature, and can strengthen the bonding effect between each component of interior leather for automobiles.TPU interior decoration leathers have the characteristics of environmentally friendly, nontoxic, tasteless, zero-emission, anti-wear performance is good.The polypropylene expanded plate of electronic crosslinking has the effect of sound-insulating and heat-insulating, and product is integrally degradable, free from environmental pollution.
Description
Technical field
The present invention relates to a kind of interior leather for automobiles, more particularly to a kind of TPU interior leather for automobiles and preparation method thereof.
Background technology
With the fast development of family car, detail more and more higher of the users to in-car various articles.Traditional vapour
In-car decorations include instrument desk and side door, and both are usually that duroplasts is made, and can produce the shortcomings that moulding strong sense, Boardy Feeling.It is if sharp
Wrapped up with conventional synthesis leather, in the case of inner space of vehicle is less, it may appear that peculiar smell is big, wear-resisting, scratch-resistant is poor etc.
Problem.
Notification number is that CN201863457U Chinese patent discloses a kind of fibrous interior decoration leather for automobile, by fibrous layer, poly- ammonia
Ester layer, environmental protection fire retarding agent and polyurethane flower-pattern layer are formed.By pasting layer of polyurethane on fibrous layer, then by environmental protection flame retardant
Polyurethane flower-pattern layer is finally fitted on fire retardant by agent coated on layer of polyurethane.This interior leather for automobiles has production work
The advantages that skill is simple, cost is low and surface detail is clear.
But this interior leather for automobiles is used as adhesive by layer of polyurethane and fibrous layer and environmental protection fire retarding agent is connected into one
Rise.In the case that temperature is higher in the car, layer of polyurethane easily changes colour, so as to cause interior leather for automobiles integral color to occur
Change, influences the attractive in appearance of interior leather for automobiles.Moreover, the bonding effect of layer of polyurethane is natural by the moisture evaporation in polyurethane
Caused by bonding, bonding effect is bad.
The content of the invention
It is an object of the invention to provide a kind of TPU interior leather for automobiles and preparation method thereof.This TPU interior leather for automobiles can
Prevent interior leather for automobiles from changing colour at high temperature, and the bonding effect between each component of interior leather for automobiles can be strengthened.
The present invention above-mentioned technical purpose technical scheme is that：A kind of TPU interior leather for automobiles, bag
Foamed board basic unit, adhesive layer, TPU layer and aqueous polyurethane decorative layer are included, between the foamed board basic unit, adhesive layer, TPU layer
Bonded by hot pressing mode, for the aqueous polyurethane layer coated in TPU layer, the adhesive layer is TPU hot melt adhesive films.
After above-mentioned technical proposal, one layer of TPU hot melt adhesive film is covered in foamed board basic unit, then by TPU layer
It is covered on TPU hot melt adhesive films.By hot pressing, the TPU hot melt adhesive films in middle part melt at high temperature, so that TPU is warm
Melten gel film has viscosity.Foamed board in adjacent two layers is bonded together by TPU hot melt adhesive films with TPU layer.After cooling, send out
Pao Ban basic units are tightly bonded with TPU layer, it is not easy to are mutually disengaged.Moreover, TPU hot melt adhesive films are compared to other adhesive layers, than
Such as aqueous polyurethane layer, heat resistance is more preferably.The problem of TPU hot melt adhesive films will not produce discoloration under hot pressing condition, it is relatively stable.
The present invention is further arranged to：The thickness of the TPU layer is 0.1-0.2mm.
After above-mentioned technical proposal, the thickness of TPU layer is arranged between 0.1-0.2mm.If the thickness of TPU layer
It is larger, it can make it that hot pressing effect is poor, transmission effect of the temperature in TPU is poor, causes temperature to reach TPU PURs
Film.TPU hot melt adhesive films can not fully be heated, and cause TPU hot melt adhesive films to melt, it is impossible to reach the purpose of bonding.If TPU layer
Thickness it is too small, TPU layer itself can be caused to melt, so as to cause TPU shapes to change, influence U.S. of interior leather for automobiles
Sight degree.
The present invention is further arranged to：The thickness of the TPU hot melt adhesive films is 0.05-0.1mm.
After above-mentioned technical proposal, the thickness of TPU hot melt adhesive films is arranged to 0.05-0.1mm so that TPU is heated
Glued membrane can melt and TPU layer is bonded in foamed board basic unit under heat.By the above-mentioned means, TPU hot melt adhesive films are molten
It can mutually melt with TPU layer after change, so that TPU hot melt adhesive films not only act as the effect of bonding, and can also cause in automobile
The thickness of dressing leather reduces.
The present invention is further arranged to：A kind of preparation method of TPU interior leather for automobiles, comprises the following steps：
Step 1：Match in parts by weight, prepare 1000 parts of TPU raw materials, and dehumidify, dry；
Step 2：Above-mentioned raw materials material is added in extruding machine TPU layer is processed into by curtain coating, the thickness of TPU layer is
0.1-0.2mm；
Step 3：TPU hot melt adhesive films, TPU hot melt adhesive films is made by the way that TPU raw materials are added into extruding machine into curtain coating processing
Thickness be 0.05-0.1mm；
Step 4：By TPU layer, TPU hot melt adhesive films, the thermo-compression bonding of foamed board basic unit, cooling winding by way of hot pressing；
Step 5：Semi-finished product in step 4 are coated into aqueous polyurethane layer by roller mode, and by cold after oven for drying
But wind；
Step 6：Semi-finished product in step 5 are embossed by negative pressure TPU interior leather for automobiles finished products are made.
After above-mentioned technical proposal, for step 1, removed by preparing TPU raw materials, and to TPU raw materials
Wet, drying course, prevent moisture being present on TPU raw materials so that TPU, will not be because existing when by curtain coating processing in TPU raw materials
Moisture cause TPU uneven heatings and cause TPU surface irregularities.For step 2, by TPU by way of being cast and processing
Layer is made, and it is 0.1-0.2mm to control the thickness of TPU layer so that TPU layer will not melt easily in hot pressing, cause TPU
Layer deformation.For step 3, TPU hot melt adhesive films are made in the same fashion, the thickness of control TPU hot melt adhesive films is less than TPU layer
Thickness, so that TPU hot melt adhesive films melt prior to TPU layer, so that TPU hot melt adhesive films can be used as adhesive by TPU
Layer bonds with foamed board basic unit, and the shape of lesser degree of damage TPU layer.For step 4, by TPU by way of hot pressing
Layer, TPU hot melt adhesive films, the thermo-compression bonding of foamed board basic unit, winding.For step 5, smeared on the basis of step 4 water-based poly-
Urethane layer, on the one hand, aqueous polyurethane has good mobility, and in hot pressing, TPU layer hot-spot can cause TPU
Layer deformation so that TPU layer is uneven.Aqueous polyurethane uneven is filled and led up caused by can TPU layer be deformed；The opposing party
Face, aqueous polyurethane can carry out negative pressure embossing so that the TPU layer surface for being coated with aqueous polyurethane can have different figures
Case and lines.For step 6, lines and pattern are added on TPU interior leather for automobiles finished products by way of negative pressure embossing, is made
It is more aesthetically pleasing to obtain TPU interior leather for automobiles.
The present invention is further arranged to：In the TPU by weight ratio, following components is also included in every 1000 parts of TPU：
Carboxymethyl cellulose 30-70 parts, the step 1 prepare 1000 parts of TPU raw materials, carboxymethyl cellulose to match in parts by weight
30-70 parts, odium stearate 10-20 parts, and dehumidify, dry.
After above-mentioned technical proposal, in process of production and in routine use, due to water be present in air
Point, and automotive interior be enclosed environment, temperature difference due to automobile interior exterior is understood on TPU interior leather for automobiles and in its surface attachment water
Point.On the one hand, the moisture of attachment is not easy to evaporate, and the health of the driver in in-car is had an impact, such as, moisture is overweight
The problems such as.On the other hand, aqueous polyurethane is in a humid environment, it may occur that is partly dissolved, so as to cause by aqueous polyurethane
The pattern of formation can deform, and influence the aesthetic measure of TPU interior leather for automobiles.Therefore, it is fine that carboxymethyl is added into TPU raw materials
Dimension element, and carboxymethyl cellulose has preferable hygroscopicity, and the steam of in-car can be absorbed, so as to reduce in-car
Moisture content, be advantageous to the health of driver.In addition, odium stearate is added into TPU layer, in hot pressing, in TPU layer
Odium stearate melts, and isolates sodium ion, sodium ion and carboxymethyl cellulose micro-reaction, so as to produce carboxymethyl cellulose
Sodium.Sodium carboxymethylcellulose is a kind of good adhesive, on the one hand due to the presence of TPU hot melt adhesive films, by TPU layer and foaming
Plate basic unit bonds, and on the other hand, sodium carboxymethylcellulose not only strengthens and is adhered degree between each component inside TPU layer,
Facilitation also is produced to the bonding between TPU layer and TPU hot melt adhesive films simultaneously so that the group in whole TPU interior leather for automobiles
Bond effect point between each layer more preferably so that TPU interior leather for automobiles structures are more stable.
The present invention is further arranged to：In the TPU by weight ratio, following components is also included in every 1000 parts of TPU：
Polytetrahydrofuran diol 10-15 parts, the step 1 prepare 1000 parts of TPU raw materials, carboxymethyl cellulose to match in parts by weight
Plain 30-70 parts, odium stearate 10-20 parts, polytetrahydrofuran diol 10-15 parts, and dehumidify, dry.
After above-mentioned technical proposal, a small amount of polytetrahydrofuran diol is added into TPU layer, on the one hand causes TPU
Partly mixed between carboxymethyl cellulose and polytetrahydrofuran diol in layer, so as to increase the mobility of carboxymethyl cellulose.
Carboxymethyl cellulose flows in TPU raw materials so that mixes and is more uniformly distributed between TPU raw materials and carboxymethyl cellulose.The opposing party
Face, polytetrahydrofuran diol have preferable water resistance in itself, so that when carboxymethyl cellulose absorbs water, due to PolyTHF
Glycol improves the water resistance of TPU layer, so that TPU layer will not expand because of water suction, led in the water resistance of TPU layer
TPU layer shape is caused not change.In addition, polytetrahydrofuran diol in TPU layer with containing-OH functional groups, poly- tetrahydrochysene furan
Mutter and hydrogen bond is formed between glycol and TPU layer, it is related so as to improve the bonding strength between polytetrahydrofuran diol and TPU layer
And make it that the bonding strength between carboxymethyl cellulose and TPU layer is bigger.
In summary, the invention has the advantages that：
1st, by setting TPU hot melt adhesive films so that fully bonded between TPU layer and foamed board basic unit.It is compared to water-based poly- ammonia
Ester is as adhesive, and more preferably, bonding is more firm for the bonding effect of this heat pressure adhesive mode；
2nd, by adding carboxymethyl cellulose, polytetrahydrofuran diol and odium stearate to TPU layer, the resistance to of TPU layer is improved
It is water-based, and cause TPU layer that there is preferable water imbibition, so as to by the water vapor absorption of in-car, ensure the health of driver.It is stearic
The addition of sour sodium so that part carboxymethyl cellulose and odium stearate reaction generation sodium carboxymethylcellulose.Carboxymethyl cellulose
Sodium has preferable bonding effect so that and the bonding effect between TPU layer and TPU hot melt adhesive films, TPU layer internal composition is more preferable,
Improve the bulk strength of TPU interior leather for automobiles；
3rd, TPU interior decoration leathers have the characteristics of environmentally friendly, nontoxic, tasteless, zero-emission, anti-wear performance is good.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1.
Reference：1st, foamed board basic unit；2nd, TPU hot melt adhesive films；3rd, TPU layer；4th, aqueous polyurethane layer.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Embodiment 1：
As shown in figure 1, a kind of TPU interior leather for automobiles and preparation method thereof, including foamed board basic unit 1.Foamed board basic unit 1 is electronics
Crosslinked polypropylene foamed board, the polypropylene expanded plate of electronic crosslinking have the effect of sound-insulating and heat-insulating.Product is integrally degradable, does not pollute
Environment, and do not occured bending and deformation at 80-120 DEG C so that foamed board basic unit 1 has preferable heat resistance.Foamed board basic unit 1
On covered with TPU hot melt adhesive films 2, covered with TPU layer 3 on TPU hot melt adhesive films 2.By by foamed board basic unit 1, TPU hot melt adhesive films
2 with the thermo-compression bonding of TPU layer 3 so that TPU hot melt adhesive films 2 melt and connect TPU layer 3 and foamed board basic unit 1.Heated by TPU
The setting of glued membrane 2 so that the adhesion strength between foamed board basic unit 1 and TPU layer 3 is larger, and bond effect is preferable.
Wherein, the thickness of TPU layer 3 is 0.1-0.2mm, and the thickness of TPU hot melt adhesive films 2 is 0.05-0.1mm.TPU PURs
The thickness of film 2 is less than the thickness of TPU layer 3.In hot pressing, TPU layer 3 is larger due to its thickness, it is not easy to melts.And
The thickness of TPU hot melt adhesive films 2 is smaller, so that TPU hot melt adhesive films 2 easily melt, so that TPU hot melt adhesive films 2 will
TPU layer 3 bonds with foamed board basic unit 1.
Aqueous polyurethane layer 4 is coated in the side of TPU layer 3 bonded.After the cooling of aqueous polyurethane layer 4, by negative
Pressure embossing sets decorative pattern on aqueous polyurethane.
The production method of the TPU interior leather for automobiles is as follows：
Match in parts by weight, prepare 1000 parts of TPU raw materials, and dehumidify, dry；
Step 2：Above-mentioned raw materials material is added in extruding machine TPU layer is processed into by curtain coating, the thickness of TPU layer is
0.1-0.2mm；
Step 3：TPU hot melt adhesive films, TPU hot melt adhesive films is made by the way that TPU raw materials are added into extruding machine into curtain coating processing
Thickness be 0.05-0.1mm；
Step 4：By TPU layer, TPU hot melt adhesive films, the thermo-compression bonding of foamed board basic unit, cooling winding by way of hot pressing；
Step 5：Semi-finished product in step 4 are coated into aqueous polyurethane layer by roller mode, and by cold after oven for drying
But wind；
Step 6：Semi-finished product in step 5 are embossed by negative pressure TPU interior leather for automobiles finished products are made.
Embodiment 2：
It is with the difference of embodiment 1, by weight ratio, also includes following components in every 1000 parts of TPU：Carboxymethyl is fine
30 parts of dimension element, 10 parts of odium stearate, 10 parts of polytetrahydrofuran diol, step 1 are changed to match in parts by weight, and it is former to prepare TPU
1000 parts of material, 30 parts of carboxymethyl cellulose, 10 parts of odium stearate, 10 parts of polytetrahydrofuran diol, and dehumidify, dry.
Embodiment 3：
It is with the difference of embodiment 1, also includes following components in every 1000 parts of TPU：50 parts of carboxymethyl cellulose, tristearin
It is fine to prepare 1000 parts of TPU raw materials, carboxymethyl to match in parts by weight for sour 15 parts of sodium, 13 parts of polytetrahydrofuran diol, step 1
50 parts of dimension element, 15 parts of odium stearate, 13 parts of polytetrahydrofuran diol, and dehumidify, dry.
Embodiment 4：
It is with the difference of embodiment 1, also includes following components in every 1000 parts of TPU：70 parts of carboxymethyl cellulose, tristearin
It is fine to prepare 1000 parts of TPU raw materials, carboxymethyl to match in parts by weight for sour 20 parts of sodium, 15 parts of polytetrahydrofuran diol, step 1
70 parts of dimension element, 20 parts of odium stearate, 15 parts of polytetrahydrofuran diol, and dehumidify, dry.
Integrated embodiment 1 can be drawn to draw a conclusion to embodiment 4：By adding carboxymethyl cellulose, poly- four to TPU layer
Hydrogen furans glycol and odium stearate, the water resistance of TPU layer is improved, and cause TPU layer that there is preferable water imbibition, so as to
By the water vapor absorption of in-car, ensure the health of driver.The addition of odium stearate so that part carboxymethyl cellulose and stearic acid
Sodium reaction generation sodium carboxymethylcellulose.Sodium carboxymethylcellulose has preferable bonding effect so that TPU layer heats with TPU
Bonding effect between glued membrane, TPU layer internal composition is more preferable, improves the bulk strength of TPU interior leather for automobiles.
Claims (6)
1. a kind of TPU interior leather for automobiles, including foamed board basic unit, adhesive layer, TPU layer and aqueous polyurethane decorative layer, it is special
Sign is：Bonded between the foamed board basic unit, adhesive layer, TPU layer by hot pressing mode, the aqueous polyurethane layer is coated in
In TPU layer, the adhesive layer is TPU hot melt adhesive films.
2. a kind of TPU interior leather for automobiles according to claim 1, it is characterized in that：The thickness of the TPU layer is 0.1-
0.2mm。
3. a kind of TPU interior leather for automobiles according to claim 1, it is characterized in that：The thickness of the TPU hot melt adhesive films is
0.05-0.1mm。
4. a kind of preparation method of TPU interior leather for automobiles, it is characterized in that, comprise the following steps：
Step 1：Match in parts by weight, prepare 1000 parts of TPU raw materials, and dehumidify, dry；
Step 2：Above-mentioned raw materials material is added in extruding machine TPU layer is processed into by curtain coating, the thickness of TPU layer is
0.1-0.2mm；
Step 3：TPU hot melt adhesive films, TPU hot melt adhesive films is made by the way that TPU raw materials are added into extruding machine into curtain coating processing
Thickness be 0.05-0.1mm；
Step 4：By TPU layer, TPU hot melt adhesive films, the thermo-compression bonding of foamed board basic unit, cooling winding by way of hot pressing；
Step 5：Semi-finished product in step 4 are coated into aqueous polyurethane layer by roller mode, and by cold after oven for drying
But wind；
Step 6：Semi-finished product in step 5 are embossed by negative pressure TPU interior leather for automobiles finished products are made.
5. a kind of TPU interior leather for automobiles according to claim 1 or 4, it is characterized in that：In the TPU by weight ratio,
Also include following components in every 1000 parts of TPU：Carboxymethyl cellulose 30-70 parts, the step 1 are accurate to match in parts by weight
Standby 1000 parts of TPU raw materials, carboxymethyl cellulose 30-70 parts, odium stearate 10-20 parts, and dehumidify, dry.
6. a kind of TPU interior leather for automobiles according to claim 5, it is characterized in that：In the TPU by weight ratio, often
Also include following components in 1000 parts of TPU：Polytetrahydrofuran diol 10-15 parts, the step 1 are accurate to match in parts by weight
Standby 1000 parts of TPU raw materials, carboxymethyl cellulose 30-70 parts, odium stearate 10-20 parts, polytetrahydrofuran diol 10-15 parts, and
Dehumidifying, drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814397.1A CN107442370A (en) | 2017-09-11 | 2017-09-11 | A kind of TPU interior leather for automobiles and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814397.1A CN107442370A (en) | 2017-09-11 | 2017-09-11 | A kind of TPU interior leather for automobiles and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107442370A true CN107442370A (en) | 2017-12-08 |
Family
ID=60495398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710814397.1A Pending CN107442370A (en) | 2017-09-11 | 2017-09-11 | A kind of TPU interior leather for automobiles and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107442370A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001849A (en) * | 2017-12-28 | 2018-05-08 | 东莞市亿铄五金塑胶制品有限公司 | A kind of ventilative degradable package plate, ventilative degradable package material and preparation method |
| CN109320804A (en) * | 2018-09-11 | 2019-02-12 | 东莞市雄林新材料科技股份有限公司 | A kind of high hydrolysis resistance low pressure becomes TPU film and preparation method thereof |
| CN110331517A (en) * | 2019-04-04 | 2019-10-15 | 江阴骏华纺织科技有限公司 | A kind of preparation process of high physical property aqueous ox fibre skin entirely |
| WO2021007688A1 (en) * | 2019-07-12 | 2021-01-21 | Freudenberg & Vilene Nonwovens (Suzhou) Co., Ltd. | Skin material for automotive interior and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100092726A1 (en) * | 2006-12-22 | 2010-04-15 | Basf Se | Composite material, particularly synthetic leather |
| CN102277750A (en) * | 2011-07-20 | 2011-12-14 | 东莞瑞安高分子树脂有限公司 | Solvent-free thermoplastic polyurethane synthetic leather and preparation method thereof |
| CN103568387A (en) * | 2013-10-08 | 2014-02-12 | 东莞市雄林新材料科技有限公司 | Wet-type PU (polyurethane) thin film attached with TPU (thermoplastic polyurethane) thin film |
| CN104592478A (en) * | 2015-03-02 | 2015-05-06 | 莆田市荔城区聚慧科技咨询有限公司 | Method for preparing TPU membrane adhesion polyurethane adhesive |
| US20160273159A1 (en) * | 2015-03-18 | 2016-09-22 | San Fang Chemical Industry Co., Ltd. | Thermoplastic artificial leather, method for manufacturing the same and thermoplastic composite laminate |
| CN106367990A (en) * | 2016-08-30 | 2017-02-01 | 嘉兴市博尔塑胶有限公司 | Preparation method of polyurethane synthetic leather and prepared polyurethane synthetic leather |
| CN207463587U (en) * | 2017-09-11 | 2018-06-08 | 浙江协达新材料有限公司 | A kind of TPU interior leather for automobiles |
-
2017
- 2017-09-11 CN CN201710814397.1A patent/CN107442370A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100092726A1 (en) * | 2006-12-22 | 2010-04-15 | Basf Se | Composite material, particularly synthetic leather |
| CN102277750A (en) * | 2011-07-20 | 2011-12-14 | 东莞瑞安高分子树脂有限公司 | Solvent-free thermoplastic polyurethane synthetic leather and preparation method thereof |
| CN103568387A (en) * | 2013-10-08 | 2014-02-12 | 东莞市雄林新材料科技有限公司 | Wet-type PU (polyurethane) thin film attached with TPU (thermoplastic polyurethane) thin film |
| CN104592478A (en) * | 2015-03-02 | 2015-05-06 | 莆田市荔城区聚慧科技咨询有限公司 | Method for preparing TPU membrane adhesion polyurethane adhesive |
| US20160273159A1 (en) * | 2015-03-18 | 2016-09-22 | San Fang Chemical Industry Co., Ltd. | Thermoplastic artificial leather, method for manufacturing the same and thermoplastic composite laminate |
| CN106367990A (en) * | 2016-08-30 | 2017-02-01 | 嘉兴市博尔塑胶有限公司 | Preparation method of polyurethane synthetic leather and prepared polyurethane synthetic leather |
| CN207463587U (en) * | 2017-09-11 | 2018-06-08 | 浙江协达新材料有限公司 | A kind of TPU interior leather for automobiles |
Non-Patent Citations (1)
| Title |
|---|
| 但卫华等: "《生态制革原理与技术》", 31 March 2010, 中国环境科学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001849A (en) * | 2017-12-28 | 2018-05-08 | 东莞市亿铄五金塑胶制品有限公司 | A kind of ventilative degradable package plate, ventilative degradable package material and preparation method |
| CN109320804A (en) * | 2018-09-11 | 2019-02-12 | 东莞市雄林新材料科技股份有限公司 | A kind of high hydrolysis resistance low pressure becomes TPU film and preparation method thereof |
| CN110331517A (en) * | 2019-04-04 | 2019-10-15 | 江阴骏华纺织科技有限公司 | A kind of preparation process of high physical property aqueous ox fibre skin entirely |
| WO2021007688A1 (en) * | 2019-07-12 | 2021-01-21 | Freudenberg & Vilene Nonwovens (Suzhou) Co., Ltd. | Skin material for automotive interior and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107442370A (en) | A kind of TPU interior leather for automobiles and preparation method thereof | |
| KR100409016B1 (en) | Decorative flooring with polyester film as surface layer and method of preparing the same | |
| CN201970502U (en) | Carbon fiber polyurethane composite board structure for automobile roof | |
| CN101088742A (en) | Automobile ceiling and its production process | |
| CN109159513A (en) | A kind of soft TPO material and preparation method thereof for automobile interior decoration | |
| CN105040461B (en) | A kind of preparation method of heat-insulated polyurethane automotive interior leather | |
| KR101935515B1 (en) | Interior materials for automobiles and manufacturing mehtod of the same | |
| CN107354760A (en) | Low temperature resistant flexure hole drilling ventilation artificial polyvinyl chloride leather and preparation method thereof | |
| CN103818021B (en) | High emulational leather high-molecular decorative film and preparation method thereof | |
| CN106863832A (en) | A kind of PUspray foamed instrument panels cladding process | |
| CN103434253B (en) | Production method of low-gram-weight high-intensity automobile inner trim ceiling | |
| CN207463587U (en) | A kind of TPU interior leather for automobiles | |
| CN115505257B (en) | TPU film applied to house-wear manufacturing wall cloth, preparation method thereof and composite wall cloth | |
| CN115091821B (en) | Composite membrane containing solid layer, preparation method thereof and application thereof in plastic molded product | |
| CN214927700U (en) | PET composite impregnated bond paper veneer | |
| CN206968218U (en) | A kind of 3D rendering effect pre-coating film | |
| KR100462708B1 (en) | Floor mat using natural wood powder and manufacturing method thereof | |
| JPH0747627A (en) | Interior material and production thereof | |
| JP5075782B2 (en) | Skin for car interior | |
| CN107672263A (en) | A kind of TPU interior decorations leather and preparation method thereof | |
| JP2008290691A (en) | Interior material for automobile | |
| CN113863018A (en) | Wear-resistant PVC artificial leather and preparation method thereof | |
| CN201106139Y (en) | Relief wallpaper | |
| CN109968780A (en) | A kind of automotive upholstery and its forming method of dual-color one-shot forming | |
| CN202805845U (en) | Light PU (polyurethane) composite board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |
|
| WD01 | Invention patent application deemed withdrawn after publication |