阅读说明：本技术 一种复合高分子涂层织物及其制法 (Composite polymer coating fabric and its making method ) 是由 封利苹 于 2019-11-26 设计创作，主要内容包括：本发明一种复合高分子涂层织物及其制法。包括织物基材层和附着在所述织物基材层至少一面的复合高分子涂层；所述复合高分子涂层织物还包括40~150μm的基材融浆层；所述基材融浆层是在生产过程中由部分的复合高分子涂层嵌入织物基材层组织内部形成的复合结构；所述复合高分子涂层的厚度为100~500μm。本发明通过对织物基材的选择、对复合高分子涂层配方的选择以及工艺参数的调整,实现了基材融浆层的生成,从而使得本发明的产品相比现有技术具有显著的优势,主要体现在贴合强度、手感、绑纱牢度等方面。(The invention relates to a composite polymer coated fabric and a preparation method thereof, wherein the composite polymer coated fabric comprises a fabric base material layer and a composite polymer coating attached to at least one surface of the fabric base material layer, the composite polymer coated fabric further comprises a base material size-melting layer of 40 ~ 150 mu m, the base material size-melting layer is a composite structure formed by embedding part of the composite polymer coating into the fabric base material layer in the production process, the thickness of the composite polymer coating is 100 ~ 500 mu m, and the generation of the base material size-melting layer is realized by selecting the fabric base material, selecting the formula of the composite polymer coating and adjusting the process parameters, so that the product has remarkable advantages compared with the prior art, and is mainly reflected in the aspects of bonding strength, hand feeling, yarn fastness and the like.)

1. A composite high polymer coated fabric comprises a fabric base layer and a composite high polymer coating attached to at least one surface of the fabric base layer, wherein the fabric base layer is made of one yarn selected from terylene, acrylic fibers, chinlon, vinylon, spandex, polypropylene and plant fibers or blended yarns in any proportion through a weaving or knitting process, and is characterized in that the composite high polymer coated fabric further comprises a base material slurry melting layer of 5 ~ mu m, the base material slurry melting layer is a composite structure formed by embedding part of the composite high polymer coating into the base material layer in the production process, the fabric base layer and the fabric tissue of the base material slurry melting layer form a whole, the composite high polymer coating and the base material slurry melting layer form a whole, the thickness of the composite high polymer coating is 10 ~ mu m, the composite high polymer coating comprises a composite high polymer component and a filler, the composite high polymer component takes EVA as an essential component and is added with other components, the other components comprise one or more of EVA (a), EPDM, SBS, TPR and TPR, the EVA as well as one or more of EVA, the composite high polymer coating comprises 30 parts of EVA, 35, 30 parts of LDPE, 35 and 30 parts of other components of EVA, ~ and 30 parts of EVA and 30 parts of the LDPE and the LDPE.

2. The composite polymer-coated fabric according to claim 1, wherein: when the other components comprise (a) and (b), the other components also comprise graft modified copolymer for improving compatibility, and the graft modified copolymer is selected from one or more of PE-g-MAH, PE-g-GMA, PE-g-AA and PE-g-MMA.

3. The composite polymer-coated fabric according to claim 1, wherein: the filler is selected from one or any combination of calcium carbonate, talcum powder, attapulgite clay, wollastonite and the like.

4. The composite polymer-coated fabric according to claim 1, wherein: when the composite polymer coating further comprises auxiliary materials, the auxiliary materials comprise a first type of auxiliary materials and a second type of auxiliary materials, wherein the first type of auxiliary materials comprise but are not limited to one or more of acrylic resin, epoxy resin and cellulose ether; the second type of auxiliary material is a silane coupling agent or a titanate coupling agent.

5. The composite polymer-coated fabric of claim 1, wherein the fabric substrate has a yarn denier of 20 ~ 4800D.

6. The composite polymer coated fabric of claim 1, wherein the composite polymer coated fabric is prepared by coating composite polymer slurry on the surface of the fabric substrate by adopting a doctor blade slurry coating process or a roller slurry coating process, and drying the composite polymer slurry by heating, wherein the composite polymer coating comprises the following components, by mass, 10 ~ 35 EVA, 15 ~ 30 and 1 ~ 30 filler.

7. A method of making the composite polymer coated fabric of claim 1, comprising the steps of:

a. selecting a fabric base material, pretreating, and drying for later use;

b. coating the fabric base material with slurry, drying after coating to make the slurry solidified without stickiness and integrated with the fabric base material to obtain the coated fabric base material, wherein the slurry viscosity is 900 ~ 150000cps, and the total coating amount is controlled to be 5 ~ 200g/m²；

c. Baking after finishing coating;

the sizing agent comprises the following components in parts by mass:

EVA 10~35

other Components 15 ~ 30

Filler 1 ~ 30

Solvent 40 ~ 80.

8. The method according to claim 7, wherein the solvent is selected from a mixture of ethanol and ethyl acetate, and the volume ratio of ethanol is 30 ~ 70 vol%.

9. The method according to claim 8, wherein the hot drying is carried out by arranging a temperature gradient in a drying tunnel of the hot drying, wherein the temperature gradient is 80-90 ℃, 90-100 ℃, 100-110 ℃ and 110-120 ℃ in sequence from an inlet to an outlet of the drying tunnel, and each temperature section stays at 2 ~ 25S.

10. Use of a coated fabric according to any of claims 1-7 in raincoats, umbrellas, tents, covers, handbags, bags, tool bags, shoes, clothing, furniture, shopping bags, ice bags, water bags, chairs, sofa fabrics, seat cushions, pillows, sporting goods, automotive goods, writing tools, toys, baby and children's clothing, pet goods and the like or similar.

Technical Field

The invention relates to a coated fabric, in particular to a composite polymer coated fabric and a preparation method thereof.

Background

The fabric coating, which refers to the technology of uniformly coating macromolecular compounds on the surface of fabric, can not only improve the appearance and hand feeling of fabric, but also improve the functions of fabric, such as making fabric have special functions of water resistance, ventilation, moisture permeability, flame retardation, stain resistance, shading, reflection, etc.

Disclosure of Invention

The invention aims to solve the problems, and provides a composite polymer coating fabric.

The technical scheme for solving the problems is as follows:

a composite high polymer coated fabric comprises a fabric base layer and a composite high polymer coating attached to at least one surface of the fabric base layer, wherein the fabric base layer is made of one yarn selected from terylene, acrylic fibers, chinlon, vinylon, spandex, polypropylene and plant fibers or blended yarns in any proportion through a weaving or knitting process, and is characterized in that the composite high polymer coated fabric further comprises a base material slurry melting layer of 5 ~ mu m, the base material slurry melting layer is a composite structure formed by embedding part of the composite high polymer coating into the base material layer in the production process, the fabric base layer and the fabric tissue of the base material slurry melting layer form a whole, the composite high polymer coating and the base material slurry melting layer form a whole, the thickness of the composite high polymer coating is 10 ~ mu m, the composite high polymer coating comprises a composite high polymer component and a filler, the composite high polymer component takes EVA as an essential component and is added with other components, the other components comprise one or more of EVA (a), EPDM, SBS, TPR and TPR, the EVA as well as one or more of EVA, the composite high polymer coating comprises 30 parts of EVA, 35, 30 parts of LDPE, 35 and 30 parts of other components of EVA, ~ and 30 parts of EVA and 30 parts of the LDPE and the LDPE.

In the technical scheme of the invention, the base material size-melting layer is formed by intersecting part of fabric tissues of the fabric base material and the composite polymer coating; in particular, a partial coating is embedded in the fabric substrate. Therefore, the fabric weave in the fabric base material layer and the fabric weave in the base material size blending layer are integrated; the coating layer which is not embedded into the fabric substrate and the substrate slurry-melting layer also form a whole; and the coating not embedded in the fabric substrate alone also forms the composite polymeric coating. In the structure, because the composite polymer coating is not only attached to the surface of the fabric texture, the composite polymer coating is also embedded into the fabric substrate in a form of forming a fabric size-melting layer; compared with the coating fabric in the prior art, the coating fabric has the advantage of high coating adhesion strength.

Drawings

FIG. 1 is a schematic view of a knife coating apparatus according to the first embodiment;

in the figure, 1-unwinding roller, 2-fabric substrate, 3-supporting plate, 4-slurry box, 5-coating knife, 6-pressing roller group, 7-hot air oven, 8-winding roller and 9-guide roller.

Detailed Description

The invention is further explained below with reference to the drawings.

This detailed description is to be construed as illustrative only and is not limiting, since various modifications will become apparent to those skilled in the art after reading the present specification, and the scope of the appended claims is to be protected by the following claims.