US20090041997A1 - Pu composite and method of fabricating the same - Google Patents

Pu composite and method of fabricating the same Download PDF

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Publication number
US20090041997A1
US20090041997A1 US12/013,512 US1351208A US2009041997A1 US 20090041997 A1 US20090041997 A1 US 20090041997A1 US 1351208 A US1351208 A US 1351208A US 2009041997 A1 US2009041997 A1 US 2009041997A1
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US
United States
Prior art keywords
layer
composite
laminated
fabric layer
laminated layer
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.)
Abandoned
Application number
US12/013,512
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English (en)
Inventor
Chung-Chih Feng
I-Peng Yao
Ko-Feng Wang
Chen-Tai Cheng
Kai-Feng Kang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
San Fang Chemical Industry Co Ltd
SANG FANG CHEMICAL Ind Co Ltd
Original Assignee
SANG FANG CHEMICAL Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SANG FANG CHEMICAL Ind Co Ltd filed Critical SANG FANG CHEMICAL Ind Co Ltd
Assigned to SAN FANG CHEMICAL INDUSTRY CO., LTD. reassignment SAN FANG CHEMICAL INDUSTRY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHENG, CHEN-TAI, FENG, CHUNG-CHIH, KANG, KAI-FENG, WANG, KO=FENG, YAO, I-PENG
Publication of US20090041997A1 publication Critical patent/US20090041997A1/en
Priority to US13/071,577 priority Critical patent/US8252133B2/en
Abandoned legal-status Critical Current

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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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • 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
    • 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
    • B32B37/24—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 not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—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
    • 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
    • B32B2262/0292—Polyurethane fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • 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
    • B32B2274/00—Thermoplastic elastomer 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
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584—Scratch 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
    • B32B2307/71—Resistive to light or to UV
    • 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
    • B32B2307/75—Printability
    • 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
    • B32B2375/00—Polyureas; 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
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • 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
    • B32B38/06—Embossing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Definitions

  • the present invention relates to a PU composite and a method of fabricating the same. More particularly, the present invention relates to a PU composite comprising an abrasion resistant and a colorant and a method of fabricating the same.
  • a conventional PU composite 1 includes a plastic layer 11 , a second laminated layer 12 , a wet PU foam layer 13 , a first laminated layer 14 , and a fabric layer 15 .
  • the material of the plastic layer 11 is thermoplastic.
  • the second laminated layer 12 is located on the plastic layer 11 .
  • the wet PU foam layer 13 is located on the second laminated layer 12 .
  • the first laminated layer 14 is located on the wet PU foam layer 13 .
  • the fabric layer 15 is located on the first laminated layer 14 , and the material of the fabric layer 15 is a PU resin that has a texture on the surface thereof.
  • the conventional PU composite 1 is attached to a substrate, which is generally a housing of an electronic device (for example, notebook computer, PDA, mobile phone, or LCD). After injection molding and then heat pressing, the PU composite 1 is attached to the housing by the plastic layer 11 . In such a manner, the texture of the fabric layer 15 and the entire artificial leather of the conventional PU composite 1 can improve the quality of the feeling of the electronic device.
  • a substrate which is generally a housing of an electronic device (for example, notebook computer, PDA, mobile phone, or LCD).
  • the conventional PU composite 1 is fabricated by a common PU leather manufacturing method, and thus, the test results of the properties thereof are as follows: 1. the solvent resistance test (tested according to AATCC GREY method) is at Grade 2; 2. the surface abrasion test (tested according to ASTM D3884 CS-10 1 Kg method) is 300 times; 3. the UV resistance test (tested according to ASTM G53 method, at the conditions: UVA wavelength of 340 nm, at 60° C. ⁇ 4 hr ⁇ 50° C. ⁇ 4 hr ⁇ repeat for 96 hr) is at Grade 2. Therefore, it can be known that the conventional PU composite 1 has the disadvantages of poor UV resistance, poor solvent resistance, and poor abrasion resistance, thus reducing the practicality significantly.
  • the present invention provides a method of fabricating a PU composite, which includes: (a) providing a release paper; (b) coating a fabric layer on the release paper, the fabric layer comprising a PU resin, an abrasion resistant, and a colorant; (c) drying the fabric layer; (d) coating a first laminated layer on the fabric layer; (e) drying the first laminated layer; (f) laminating a wet PU foam layer on the first laminated layer; (g) releasing the release paper, so as to form a semi-product; (h) providing a plastic layer, which is made of a thermoplastic; (i) coating a second laminated layer on the plastic layer; (j) drying the second laminated layer; and (k) laminating the semi-product of Step (g) on the second laminated layer, so as to form a PU composite.
  • the PU composite of the present invention has better UV resistance, solvent resistance, and abrasion resistance.
  • the present invention further provides a PU composite, which includes a plastic layer, a second laminated layer, a wet PU foam layer, a first laminated layer, and a fabric layer.
  • the material of the plastic layer is thermoplastic.
  • the second laminated layer is located on the plastic layer.
  • the wet PU foam layer is located on the second laminated layer.
  • the first laminated layer is located on the wet PU foam layer.
  • the fabric layer is located on the first laminated layer and comprises a PU resin, an abrasion resistant, and a colorant.
  • FIG. 1 is a schematic cross-sectional view of a conventional PU composite
  • FIGS. 2-6 are schematic cross-sectional views of a method of fabricating the PU composite according to the present invention.
  • PU composite refers to a composite composed of a plurality of layers, in which a layer comprises polyurethane (PU) resin.
  • FIGS. 2-6 show the schematic cross-sectional views of a method of fabricating the PU composite according to the present invention.
  • a release paper 20 is provided, which has a surface 201 .
  • the surface 201 preferably has a texture.
  • a fabric layer 25 is coated on the release paper 20 .
  • the fabric layer 25 has a surface 251 , which contacts the surface 201 of the release paper 20 .
  • the formulation of the fabric layer 25 comprises PU resin, abrasion resistant, and colorant.
  • the fabric layer 25 preferably comprises at least 5-50 wt % of PU resin, 0.05-5 wt % of abrasion resistant, 0.05-15 wt % of colorant, 50-75 wt % of methyl-ethyl ketone (MEK), 5-15 wt % of dimethylformamide (DMF), and 1-10 wt % of toluene (TOL).
  • the abrasion resistant preferably comprises silicone to improve the abrasion resistance of the PU composite.
  • the colorant improves the UV resistance and the solvent resistance of the PU composite, and preferably, the particle size of the colorant is less than 10 ⁇ m, preferably less than 5 ⁇ m.
  • a first laminated layer 24 is coated on the fabric layer 25 .
  • the first laminated layer 24 is a paste, and the material thereof can be pressure-sensitive adhesive, moisture-curable resin, one-component resin, or two-component resin, and so on.
  • a wet PU foam layer 23 is laminated on the first laminated layer 24 .
  • the release paper 20 , the fabric layer 25 , the first laminated layer 24 , and the wet PU foam layer 23 are then preferably placed for ripening and shaping.
  • the release paper 20 is released, so as to form a semi-product 2 .
  • the surface 251 of the fabric layer 25 has a texture corresponding to the texture of the surface 201 of the release paper 20 .
  • the semi-product 2 is preferably further subjected to a surface treatment.
  • a plastic layer 21 is provided.
  • the material of the plastic layer 21 is thermoplastic, which is selected from the group consisting of polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS), polyurethane (PU), acrylic, and mixtures thereof.
  • a second laminated layer 22 is coated on the plastic layer 21 .
  • the second laminated layer 22 is a paste, and the material thereof can be pressure-sensitive adhesive, moisture-curable resin, one-component resin, or two-component resin, and so on.
  • the second laminated layer 22 is dried.
  • the semi-product 2 is laminated on the second laminated layer 22 , and thus, the wet PU foam layer 23 of the semi-product 2 is laminated on the second laminated layer 22 , so as to form a PU composite 3 .
  • the PU composite 3 is preferably placed for ripening and shaping.
  • the PU composite 3 includes a plastic layer 21 , a second laminated layer 22 , a wet PU foam layer 23 , a first laminated layer 24 , and a fabric layer 25 .
  • the material of the plastic layer 21 is thermoplastic, which is selected from the group consisting of PC, ABS, PU, acrylic, and mixtures thereof.
  • the second laminated layer 22 is located on the plastic layer 21 .
  • the second laminated layer 22 is a paste, and the material thereof can be pressure-sensitive adhesive, moisture-curable resin, one-component resin, or two-component resin, and so on.
  • the wet PU foam layer 23 is located on the second laminated layer 22 .
  • the first laminated layer 24 is located on the wet PU foam layer 23 .
  • the first laminated layer 24 is a paste, and the material thereof can be pressure-sensitive adhesive, moisture-curable resin, one-component resin, or two-component resin, and so on.
  • the fabric layer 25 is located on the first laminated layer 24 and comprises PU resin, abrasion resistant, and colorant.
  • the fabric layer 25 has a surface 251 , and preferably, the surface 251 has a texture.
  • the fabric layer 25 preferably comprises at least 25-99.80 wt % of PU resin, 0.1-25 wt % of abrasion resistant, and 0.1-50 wt % of colorant.
  • the abrasion resistant preferably comprises silicone to improve the abrasion resistance of the PU composite 3 .
  • the colorant can improve the UV resistance and the solvent resistance of the PU composite 3 , and preferably, the particle size of the colorant is less than 10 ⁇ m, preferably less than 5 ⁇ m.
  • the thickness of the plastic layer 21 is preferably 0.10-0.20 mm
  • the thickness of the second laminated layer 22 is 0.01-0.15 mm
  • the thickness of the wet PU foam layer 23 is 0.20-0.45 mm
  • the thickness of the first laminated layer 24 is 0.01-0.15 mm
  • the thickness of the fabric layer 25 is 0.01-0.05 mm.
  • the total thickness of the PU composite 3 is 0.38-0.90 mm.
  • a release paper which has a texture on a surface.
  • a fabric layer is coated on the surface having the texture of the release paper.
  • the fabric layer comprises: 20 wt % of PU resin, 0.5 wt % of abrasion resistant (the abrasion resistant comprises silicone), 0.5 wt % of colorant (the particle size of the colorant is less than 10 ⁇ m), 64 wt % of MEK, 10 wt % of DMF, and 5 wt % of TOL.
  • a first laminated layer is coated on the fabric layer.
  • the first laminated layer is of one-component resin.
  • a wet PU foam layer is laminated on the first laminated layer, and then placed for ripening and shaping for about 24 hr.
  • the release paper is released to form a semi-product. Then, the semi-product is subjected to a surface treatment.
  • a plastic layer is provided.
  • the material of the plastic layer is PC.
  • a second laminated layer is coated on the plastic layer, and the material of the second laminated layer is the same as that of the first laminated layer.
  • the second laminated layer is then dried in an oven.
  • the wet PU foam layer of the semi-product is laminated on the second laminated layer to form a PU composite. Then, the PU composite is placed for ripening and shaping for about 24 hr.
  • the PU composite prepared in this embodiment includes a plastic layer, a second laminated layer, a wet PU foam layer, a first laminated layer, and a fabric layer in sequence.
  • the material of the plastic layer is PC.
  • the material of the second laminated layer is one-component resin.
  • the material of the wet PU foam layer is PU resin.
  • the material of the first laminated layer is the same as that of the second laminated layer.
  • the fabric layer comprises 95.2 wt % of PU resin, 2.4 wt % of abrasion resistant, and 2.4 wt % of colorant. Because MEK, DMF and TOL in the fabric layer are volatilized during drying, only the PU resin, the abrasion resistant, and the colorant are left in the fabric layer of the resultant PU composite, and the weight percentages are changed as well.
  • the test results of the PU composite prepared in this embodiment are as follows: 1. the solvent resistance test (tested according to AATCC GREY method) is at Grade 5; 2. the surface abrasion test (tested according to ASTM D3884 CS-10 1 Kg method) is up to 4000 times; 3. the UV resistance test (tested according to ASTM G53 method, using these conditions: UVA wavelength of 340 nm, at 60° C. ⁇ 4 hr ⁇ 50° C. ⁇ 4 hr ⁇ repeat for 96 hr) is at Grade 5.
  • the fabrication method of this embodiment is the same as that of Embodiment 1, except for the formulation of the fabric layer.
  • the fabric layer of this example comprises: 20 wt % of PU resin, 0.5 wt % of abrasion resistant (the abrasion resistant comprises silicone), 0.5 wt % of colorant (a conmnon colorant, having a particle size greater than 10 (m), 64 wt % of MEK, 10 wt % of DMF, and 5 wt % of TOL.
  • the fabric layer comprises 95.2 wt % of PU resin, 2.4 wt % of abrasion resistant, and 2.4 wt % of colorant.
  • test methods of this embodiment are the same as those of Example 1, and the test results are as follows: 1. the solvent resistance test is at Grade 2; 2. the surface abrasion test is up to 4000 times; 3. the UV resistance test is at Grade 2.
  • the fabrication method of this embodiment is the same as that of Embodiment 1, except for the formulation of the fabric layer.
  • the fabric layer of this embodiment comprises: 20 wt % of PU resin, 0.5 wt % of abrasion resistant (the particle size of the abrasion resistant is less than 10 ⁇ m), 64.5 wt % of MEK, 10 wt % of DMF, and 5 wt % of TOL.
  • the fabric layer comprises 97.6 wt % of PU resin and 2.4 wt % of colorant.
  • test methods of this embodiment are the same as those of Embodiment 1, and the test results are as follows: 1. the solvent resistance test is at Grade 5; 2. the surface abrasion test is 300 times; 3. the UV resistance test is at Grade 5.
  • Embodiment 1 Embodiment 2 Embodiment 3 Solvent resistance test Grade 5 Grade 2 Grade 5 (tested according to AATCC GREY method) Surface abrasion test Up to 4000 Up to 4000 300 times (tested according to times times ASTM D3884 CS-10 1 Kg method) UV resistance test Grade 5 Grade 2 Grade 5 (tested according to ASTM G53 method, using these conditions: UVA wavelength of 340 nm, at 60° C. ⁇ 4 hr ⁇ 50° C. ⁇ 4 hr ⁇ repeat for 96 hr)

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  • Laminated Bodies (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
US12/013,512 2007-08-07 2008-01-14 Pu composite and method of fabricating the same Abandoned US20090041997A1 (en)

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Application Number Priority Date Filing Date Title
US13/071,577 US8252133B2 (en) 2007-08-07 2011-03-25 PU composite and method of fabricating the same

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TW096129065 2007-08-07
TW96129065A TW200906612A (en) 2007-08-07 2007-08-07 PU composite material and method of fabricating the same

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US13/071,577 Expired - Fee Related US8252133B2 (en) 2007-08-07 2011-03-25 PU composite and method of fabricating the same

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US (2) US20090041997A1 (enrdf_load_stackoverflow)
DE (1) DE102008005782B4 (enrdf_load_stackoverflow)
FR (1) FR2919821A1 (enrdf_load_stackoverflow)
TW (1) TW200906612A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090288761A1 (en) * 2008-05-26 2009-11-26 San Fang Chemical Industry Co., Ltd. Composite with thermo-formability, method for making the same and method for making a casing with texture on surface thereof
US20090291268A1 (en) * 2008-05-26 2009-11-26 San Fang Chemical Industry Co., Ltd. Resin surface layer and method of fabricating the same, composite having the resin surface layer and method of fabricating the same
CN103358641A (zh) * 2013-06-26 2013-10-23 江苏南纬悦达纺织研究院有限公司 提高高丹尼贴合面料剥离强度的面料制造工艺
CN104060791A (zh) * 2014-06-11 2014-09-24 江苏尼高科技有限公司 柔性装饰面聚氨酯保温装饰一体化板及其制备方法
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CN106520049A (zh) * 2016-10-13 2017-03-22 苏州长业材料技术有限公司 一种聚酯胶黏剂及其制备方法与在太阳能背板上的应用
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