CN109109419A - A kind of high compactness PU leather and preparation method thereof - Google Patents
A kind of high compactness PU leather and preparation method thereof Download PDFInfo
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising 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
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/26—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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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
- B32B7/06—Interconnection of layers permitting easy separation
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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
-
- 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
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/26—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers
- B32B2037/268—Release layers
-
- 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
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- 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
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Abstract
The invention discloses a kind of high compactness PU leathers, it successively include base cloth layer, PU layers, coatings, there is adhesive phase between the base cloth layer, PU layers, the raw material of described adhesive layer is solvent-free PU adhesive, the coatings are aqueous coatings, described PU layers includes two layers of PU single layer, and PU layers of the raw material includes in parts by weight: 90-105 parts of PU resin, DMF62-72 parts, 12-16 parts of ethyl acetate, 19-25 parts of mill base;The raw material of the coatings includes in parts by weight: half 4-6 parts of bright frosting inorganic agent, 4.5-6 parts of frosting inorganic agent, dry 0.5-0.8 parts of skating sense anti-wear agent, 0.6-0.75 parts of wet and slippery feel anti-wear agent, 0.6-0.85 parts of anti-fouling agent, 0.25-0.32 parts of levelling agent, 0.6-0.85 parts of crosslinking agent, industrial 2.5-4 parts of distilled water.High compactness PU leather of the invention and preparation method thereof is avoided that PU material occur lamination occurs after overmolded middle material heating stress, meets the forming requirements of irregular inner-decoration component in automobile interior decoration, has high durability and fastness.
Description
Technical field
The present invention relates to artificial leather fields more particularly to a kind of high compactness PU leather and preparation method thereof.
Background technique
Property possessed by leather and feel, in the decoration for becoming luggage, clothes, shoes, vehicle and furniture
The synonym of " top grade " has sufficiently obtained the affirmative in market, and application range is wide, and quantity is big, as many as kind, it is difficult to estimate
Amount.And since the natural leather production cycle is long, limited amount, artificial leather becomes its substitute, and also type is numerous in artificial leather field
More, high-grade artificial leather is even also more expensive than corium price.
PU artificial leather is exactly the epidermis of polyurethane composition, the decoration made suitable for makeing various substitution corium, and fixed effect is good
Surface-brightening.The manufacture of general PU leather includes the processes such as base fabric is handled, sizing material is prepared, coated, being bonded, being surface-treated, batching.
Currently, the manufacturing process of PU leather is gradually mature, but the PU leather of the performance of high compactness is not yet obtained on the market
To widely available.PU material is easy to appear lamination after overmolded middle material heating stress, so that usage experience is influenced,
Weakening automobile interior decoration has high-grade sense;Therefore in terms of automobile door plate leather, need higher compactness with guarantee installation fastness,
To guarantee service life, guarantee automobile interior decoration persistently high-grade sense.
Therefore, the exploitation of a kind of high compactness PU leather and its technique is necessary.
Summary of the invention
Goal of the invention: the present invention develops a kind of PU leather of high compactness, and compactness is high, long service life, comprehensive performance
It is excellent, to overcome deficiency in the prior art.
Summary of the invention: a kind of high compactness PU leather successively includes base cloth layer, PU layers, coatings, the base cloth layer, PU
There is adhesive phase between layer, the raw material of described adhesive layer is solvent-free PU adhesive, and the coatings are aqueous coatings,
Described PU layers includes two layers of PU single layer, and PU layers of the raw material includes the component of following parts by weight:
The raw material of the coatings includes the component of following parts by weight:
Preferably, the raw material of described adhesive layer includes the component of following parts by weight:
Adhesive for solvent-free use A expects 90-105 parts
Adhesive for solvent-free use B expects 100-110 parts
0.1 part of catalyst.Adhesive for solvent-free use component makes itself and P
U layers of degree of adhesion are high, and use is durable, and technique is convenient.
Further, the adhesive for solvent-free use A material is polyester polyol, and the adhesive for solvent-free use B material is isocyanates.
The binder performance being formulated above is excellent, and degree of adhesion is high, is suitable for the invention formula.
Preferably, described PU layers with a thickness of 0.1-0.15mm.PU layers of thickness has reached the balance of economy and performance
Point.
Preferably, described adhesive layer with a thickness of 0.25-0.35mm.The thickness of adhesive phase has reached economy and property
The equalization point of energy.
Preferably, the base fabric layer material is that automobile door plate removes from office dedicated base fabric.Automobile door plate is removed from office dedicated base fabric and is suitable for
The present invention is to prepare automobile artificial leather material.
A kind of preparation method of high compactness PU leather, comprising the following steps:
(1), according to formulation weight part ratio, in PU resin, DMF, ethyl acetate, mill base is added, obtains PU mixture,
Take a release paper;After mixing evenly, PU mixture is applied in release paper, coating layer thickness is controlled in (0.15 ± 0.01) mm, vehicle
Speed control is followed successively by 70/80/100/110/125/125 in (10 ± 1) m/min, heating, drying, the heating of baking oven staged, temperature
DEG C, drying time amounts to 4min, obtains PU surface layer;
(2), PU mixture is coated in the surface layer dried again, coating layer thickness is in (0.18 ± 0.01) mm, speed control
System is followed successively by 70/80/100/110/125/125 DEG C, dries in (10 ± 1) m/min, heating, drying, the heating of baking oven staged, temperature
The dry time amounts to 4min, obtains the middle layer PU, namely obtained PU layers;
(3), according to formulation weight part ratio, adhesive for solvent-free use A material, adhesive for solvent-free use B material and catalyst, system are added
Solvent-free PU adhesive is obtained, solvent-free PU adhesive is applied to the surface in the middle layer PU, coating layer thickness (0.38 ± 0.01) mm, speed
Control is in (10 ± 1) m/min;
(4), solvent-free PU adhesive is bonded base fabric, drying, and baking oven staged heats up, and temperature is followed successively by 135/135/135/
140/140/140/140/140/145/145/145/145/145/145 DEG C, then drying time 10min separates release paper, point
It is on one side PU texture face from release paper, PU semi-finished product are made in curling;Adhesive phase, base cloth layer are formed at this time;
(5), according to formulation weight part ratio, half bright frosting inorganic agent, frosting inorganic agent, dry skating sense are added
Anti-wear agent, wet and slippery feel anti-wear agent, anti-fouling agent, levelling agent, crosslinking agent, industrial distilled water, stir evenly, obtain finishing agent, use
Finishing agent is rolled onto PU texture face by roll coater, and speed control is followed successively by 125/ in (10 ± 2) m/min, drying, drying temperature
It 130/130/130/130/130 DEG C, drying time 2-3min, is crimped after drying to get high compactness PU leather finish is arrived;
(6), compactness detection is carried out to high compactness PU leather finish, is launched after qualified.
Further, in step (3), by solvent-free PU adhesive phase prebake conditions obtained to half dry doubling environment, half dry doubling rank
The temperature of ladder type temperature adjustment is followed successively by 100/80/80/80/80/80 DEG C.Half dry doubling is to make resin slurry reach certain aridity to paste again
The mode of conjunction, technique is more demanding, and the significant such as feel of advantage is soft, lines is careful, uses particularly suitable for high-end automobile fabricate-leather.
Compared to the prior art, the beneficial effects of the present invention are: a kind of sound-deadening and noise-reducing PU leather of the invention, structure are tight
It gathers, level stabilization, compactness height.Base cloth layer, PU layers, coatings level distinctness, and the intervention of release paper keeps technical process close
And it is reliable, each layer is all modulated by selected formula, thickness science, it is ensured that the texture of leather;Preparation method step is fine, applies
Layer, fitting uniformly continuous, it is lasting that the staged of drying course is stabilized its compactness and molding effect.High patch of the invention
Right PU leather and preparation method thereof is avoided that PU material occur layering occurs now after overmolded middle material heating stress
As meeting the forming requirements of irregular inner-decoration component in automobile interior decoration, there is high durability and fastness.
Detailed description of the invention
Fig. 1 is the schematic diagram of overall hierarchy structure of the present invention, and Fig. 2 is the step simplified diagram of preparation method of the present invention,
Fig. 3 is the sample holder schematic diagram tested of the present invention, and Fig. 4 is the value figure for the peeling force typical curve that the present invention tests, on figure
Dotted line expression value is the average value of the sample.
In figure: 1- base cloth layer, 2-PU layers, 20-PU single layer, 3- coatings, 4- adhesive phase;
1a- upper fixture, fixture under 2a-, 3a- sample Stripped portions, the unstripped sample of 4a-.
Specific embodiment
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Examples 1 to 5
Such as Fig. 1~2, a kind of high compactness PU leather successively includes base cloth layer 1, PU layer 2, coatings 3, the base cloth layer
1, there is adhesive phase 4, the raw material of described adhesive layer 4 is solvent-free PU adhesive, and the coatings 3 are water between PU layer 2
Property coatings, the PU layer 2 include two layers of PU single layer 20;The PU layer 2 with a thickness of 0.1-0.15mm, described adhesive layer 4
With a thickness of 0.25-0.35mm, 1 material of base cloth layer is that automobile door plate removes from office dedicated base fabric.
The PU layer 2, coatings 3, adhesive phase 4 include the component of parts by weight as shown in Table 1 in Examples 1 to 5.
Each layer of parts by weight component only indicates the weight ratio relative to this layer below, the benchmark of the parts by weight between each layer without
It closes.
The component (unit: parts by weight) of 1PU layers of table, coatings, adhesive phase
Wherein, the adhesive for solvent-free use A material is polyester polyol, and the adhesive for solvent-free use B material is isocyanates.
A kind of preparation method of high compactness PU leather, comprising the following steps:
(1), according to formulation weight part ratio, in PU resin, DMF, ethyl acetate, mill base is added, obtains PU mixture,
Take a release paper;After mixing evenly, PU mixture is applied in release paper, coating layer thickness is controlled in (0.15 ± 0.01) mm, vehicle
Speed control is followed successively by 70/80/100/110/125/125 in (10 ± 1) m/min, heating, drying, the heating of baking oven staged, temperature
DEG C, drying time amounts to 4min, obtains PU surface layer;
(2), PU mixture is coated in the surface layer dried again, coating layer thickness is in (0.18 ± 0.01) mm, speed control
System is followed successively by 70/80/100/110/125/125 DEG C, dries in (10 ± 1) m/min, heating, drying, the heating of baking oven staged, temperature
The dry time amounts to 4min, obtains the middle layer PU, namely obtained PU layers;
(3), according to formulation weight part ratio, adhesive for solvent-free use A material, adhesive for solvent-free use B material and catalyst, system are added
Solvent-free PU adhesive is obtained, solvent-free PU adhesive is applied to the surface in the middle layer PU, coating layer thickness (0.38 ± 0.01) mm, speed
Control is in (10 ± 1) m/min;By solvent-free PU adhesive phase prebake conditions obtained to half dry doubling environment, half dry doubling staged tune
The temperature of temperature is followed successively by 100/80/80/80/80/80 DEG C;
(4), solvent-free PU adhesive is bonded base fabric, drying, and baking oven staged heats up, and temperature is followed successively by 135/135/135/
140/140/140/140/140/145/145/145/145/145/145 DEG C, then drying time 10min separates release paper, point
It is on one side PU texture face from release paper, PU semi-finished product are made in curling;Adhesive phase, base cloth layer are formed at this time;
(5), according to formulation weight part ratio, half bright frosting inorganic agent, frosting inorganic agent, dry skating sense are added
Anti-wear agent, wet and slippery feel anti-wear agent, anti-fouling agent, levelling agent, crosslinking agent, industrial distilled water, stir evenly, obtain finishing agent, use
Finishing agent is rolled onto PU texture face by roll coater, and speed control is followed successively by 125/ in (10 ± 2) m/min, drying, drying temperature
It 130/130/130/130/130 DEG C, drying time 2-3min, is crimped after drying to get high compactness PU leather finish is arrived;
(6), compactness detection is carried out to high compactness PU leather finish, is launched after qualified.Such as Fig. 3~4, removing inspection
Survey method:
(1) sample prepares: preparing the rectangle sample of long 200mm, width 50mm.
(2) test method:
1) 50mm is peeled off in advance with substrate by PU layers along test length direction, obvious damage must not be had by being stripped part.If
Sample one end can be immersed in solvent appropriate and be handled, volatilized completely to solvent, carry out peeling force inspection by sample not easily openable
It tests.If PU layers are passed through this processing, it cannot still be separated with substrate, then test is not available for.
2) both ends of sample Stripped portions are clipped in respectively on testing machine, make the longitudinal axis and upper and lower folder of sample Stripped portions
Have the line of centres to be overlapped, and elastic suitable.It is tested with the speed of 200 ± 50mm/min, when test, non-Stripped portions and is drawn
It is T-shaped to stretch direction, sees Fig. 1.Record the peel force curve in sample stripping process.
3) longitudinally, laterally distinguish left, center, right sample detection.
(3) expression of test result
According to test curve obtained figure (referring to three kinds of typical curves in Fig. 2), a kind of wherein similar value side is taken
Method.Every group of sample calculates its arithmetic mean of instantaneous value, takes two effective digitals, with newton (N) for unit.
Testing result is as shown in table 2.
The peel test results table of 2 Examples 1 to 5 of table
Above embodiments are only to illustrate the preferred technical solution of the present invention, it is noted that for the general of the art
For logical technical staff, without departing from the principle of the present invention, several improvement made or equivalent replacement are accordingly to be regarded as this
The protection scope of invention should be covered within the scope of the claims of the present invention.
Claims (8)
1. a kind of high compactness PU leather, which is characterized in that successively include base cloth layer, PU layers, coatings, the base cloth layer, PU
There is adhesive phase between layer, the raw material of described adhesive layer is solvent-free PU adhesive, and the coatings are aqueous coatings,
Described PU layers includes two layers of PU single layer, and PU layers of the raw material includes the component of following parts by weight:
90-105 parts of PU resin
62-72 parts of DMF
12-16 parts of ethyl acetate
19-25 parts of mill base;
The raw material of the coatings includes the component of following parts by weight:
Half 4-6 parts of bright frosting inorganic agent
4.5-6 parts of frosting inorganic agent
Dry 0.5-0.8 parts of skating sense anti-wear agent
0.6-0.75 parts of wet and slippery feel anti-wear agent
0.6-0.85 parts of anti-fouling agent
0.25-0.32 parts of levelling agent
0.6-0.85 parts of crosslinking agent
Industrial distilled water 2.5-4 parts.
2. a kind of high compactness PU leather according to claim 1, which is characterized in that the raw material of described adhesive layer includes
The component of following parts by weight:
Adhesive for solvent-free use A expects 90-105 parts
Adhesive for solvent-free use B expects 100-110 parts
0.1 part of catalyst.
3. a kind of high compactness PU leather according to claim 2, which is characterized in that the adhesive for solvent-free use A, which expects, is
Polyester polyol, the adhesive for solvent-free use B material is isocyanates.
4. a kind of high compactness PU leather according to claim 1, which is characterized in that described PU layers with a thickness of 0.1-
0.15mm。
5. a kind of high compactness PU leather according to claim 1, which is characterized in that described adhesive layer with a thickness of
0.25-0.35mm。
6. a kind of high compactness PU leather according to claim 1, which is characterized in that the base fabric layer material is car door
Plate removes from office dedicated base fabric.
7. the preparation method of described in any item a kind of high compactness PU leathers according to claim 1 ~ 6, which is characterized in that including
Following steps:
(1), according to formulation weight part ratio, in PU resin, DMF, ethyl acetate, mill base is added, obtains PU mixture, takes one
Release paper;After mixing evenly, PU mixture is applied in release paper, coating layer thickness is controlled in (0.15 ± 0.01) mm, speed control
System is followed successively by 70/80/100/110/125/125 DEG C, dries in (10 ± 1) m/min, heating, drying, the heating of baking oven staged, temperature
The dry time amounts to 4min, obtains PU surface layer;
(2), PU mixture is coated in the surface layer dried again, coating layer thickness exists in (0.18 ± 0.01) mm, speed control
(10 ± 1) m/min, heating, drying, the heating of baking oven staged, temperature are followed successively by 70/80/100/110/125/125 DEG C, when drying
Between amount to 4min, obtain the middle layer PU, namely obtained PU layers;
(3), according to formulation weight part ratio, adhesive for solvent-free use A material, adhesive for solvent-free use B material and catalyst is added, nothing is made
Solvent-free PU adhesive is applied to the surface in the middle layer PU, coating layer thickness (0.38 ± 0.01) mm, speed control by solvent PU adhesive
In (10 ± 1) m/min;
(4), solvent-free PU adhesive is bonded base fabric, drying, and baking oven staged heats up, and temperature is followed successively by 135/135/135/140/
140/140/140/140/145/145/145/145/145/145 DEG C, then drying time 10min separates release paper, separate from
Type paper is PU texture face on one side, and PU semi-finished product are made in curling;Adhesive phase, base cloth layer are formed at this time;
(5), according to formulation weight part ratio, half bright frosting inorganic agent of addition, frosting inorganic agent, dry skating sense are wear-resisting
Agent, wet and slippery feel anti-wear agent, anti-fouling agent, levelling agent, crosslinking agent, industrial distilled water, stir evenly, obtain finishing agent, use roller coating
Finishing agent is rolled onto PU texture face by machine, and speed control is followed successively by 125/130/ in (10 ± 2) m/min, drying, drying temperature
It 130/130/130/130 DEG C, drying time 2-3min, is crimped after drying to get high compactness PU leather finish is arrived;
(6), compactness detection is carried out to high compactness PU leather finish, is launched after qualified.
8. a kind of preparation method of high compactness PU leather according to claim 7, which is characterized in that, will in step (3)
Solvent-free PU adhesive phase prebake conditions obtained to half dry doubling environment, the temperature of half dry doubling staged temperature adjustment is followed successively by 100/80/
80/80/80/80℃。
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Cited By (7)
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CN111172774A (en) * | 2019-12-31 | 2020-05-19 | 华伦皮塑(苏州)有限公司 | Healthy green environment-friendly sofa leather and preparation method thereof |
CN112574684A (en) * | 2020-11-30 | 2021-03-30 | 苏州瑞高新材料有限公司 | Modified TPU (thermoplastic polyurethane) coating piece for vehicle and preparation method thereof |
CN113022059A (en) * | 2021-04-28 | 2021-06-25 | 山东大鲁阁织染工业有限公司 | Composite fabric easy to decontaminate |
CN113123142A (en) * | 2019-12-31 | 2021-07-16 | 苏州瑞高新材料有限公司 | Embossable high-physical-property water-based PU solvent-free shoe lining leather and preparation method thereof |
CN113123143A (en) * | 2019-12-31 | 2021-07-16 | 苏州瑞高新材料有限公司 | High-peeling-force PU double-sided leather and preparation method thereof |
CN114889293A (en) * | 2022-04-23 | 2022-08-12 | 苏州瑞高新材料有限公司 | Light-colored product PU leather with high heat resistance and preparation method thereof |
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CN111172774A (en) * | 2019-12-31 | 2020-05-19 | 华伦皮塑(苏州)有限公司 | Healthy green environment-friendly sofa leather and preparation method thereof |
CN113123142A (en) * | 2019-12-31 | 2021-07-16 | 苏州瑞高新材料有限公司 | Embossable high-physical-property water-based PU solvent-free shoe lining leather and preparation method thereof |
CN113123143A (en) * | 2019-12-31 | 2021-07-16 | 苏州瑞高新材料有限公司 | High-peeling-force PU double-sided leather and preparation method thereof |
CN113123142B (en) * | 2019-12-31 | 2022-11-25 | 苏州瑞高新材料有限公司 | Embossable high-physical-property water-based PU solvent-free shoe lining leather and preparation method thereof |
CN113123143B (en) * | 2019-12-31 | 2023-04-28 | 苏州瑞高新材料有限公司 | High-peeling-force PU double-sided leather and preparation method thereof |
CN112574684A (en) * | 2020-11-30 | 2021-03-30 | 苏州瑞高新材料有限公司 | Modified TPU (thermoplastic polyurethane) coating piece for vehicle and preparation method thereof |
CN112574684B (en) * | 2020-11-30 | 2022-09-27 | 苏州瑞高新材料有限公司 | Modified TPU (thermoplastic polyurethane) coating piece for vehicle and preparation method thereof |
CN113022059A (en) * | 2021-04-28 | 2021-06-25 | 山东大鲁阁织染工业有限公司 | Composite fabric easy to decontaminate |
CN114889293A (en) * | 2022-04-23 | 2022-08-12 | 苏州瑞高新材料有限公司 | Light-colored product PU leather with high heat resistance and preparation method thereof |
CN114889293B (en) * | 2022-04-23 | 2024-04-02 | 苏州瑞高新材料股份有限公司 | PU leather with light color and high heat resistance and preparation method thereof |
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