TWI685409B - Polyurethane composite material molded article, production method thereof, waterproof moisture permeable membrane, and fabric label - Google Patents

Abstract

A polyurethane composite material molded article including a polyurethane resin substance and a cyclic olefin polymer material dispersed in the polyurethane resin substance. In the polyurethane composite material molded article, a weight percentage of the polyurethane resin substance ranges from 60 wt% to 95 wt%, and a weight percentage of the cyclic olefin polymer material ranges from 3 wt% to 35 wt%. The polyurethane composite material molded article is in the form of a film or a sheet, and has a thickness of 7 micrometers to 35 micrometers, a breaking strength of 160 kg/cm² to 235 kg/cm², a moisture permeability of 70,000 g/m²*24h to 120,000 g/m²*24h, and a water resistance of 15,000 mmH₂O to 20,000 mmH₂O. In addition, the present disclosure also provides a production method of a polyurethane composite material molded article, a waterproof moisture permeable membrane, and also provides a fabric label.

Description

Polyurethane composite material molded product, its manufacturing method, waterproof moisture-permeable membrane, and washing standard cloth

The invention relates to a polyurethane composite material molded product, in particular to a polyurethane composite material molded product, a manufacturing method thereof, a waterproof moisture-permeable membrane, and a washing standard cloth.

Existing polyurethane materials can be made into various polyurethane molded products based on their excellent wear resistance, flexibility, resilience, corrosion resistance, solvent resistance, and gloss. However, molded products with only polyurethane materials are still not good enough in terms of certain physical and chemical properties (such as surface anti-sticking resistance and breaking strength), thus limiting the application prospects of this material. For example: some End products with higher requirements for stickiness and breaking strength cannot be manufactured with this material.

Furthermore, existing polyurethane materials can be formed into a film-shaped polyurethane with waterproof and moisture-permeable properties through a specific molding process (such as casting film forming, blown film forming, or extrusion film forming) Products (such as waterproof and breathable membrane). However, the above-mentioned film-shaped polyurethane molded product may have the surface of the film material easily sticking, the strength of the film material after thinning and lightening is insufficient, and the film may be easily broken, and the bottom layer of the packaging tube of the film material in the wound state The film is easy to stick to each other and other problems.

In addition, the traditional washing standard cloth is limited by the characteristics of its material (such as nylon material), so most of it is fixed to the fabric (such as clothing) by sewing, and its processing method is relatively limited, which cannot meet some manufacturers. Special needs.

Therefore, the inventor believes that the above-mentioned defects can be improved. The application of scientific principles finally proposes a reasonable design and effectively improves the above-mentioned defects.

An embodiment of the present invention is to provide a polyurethane composite material molded product, a manufacturing method thereof, a waterproof moisture-permeable membrane, and a washing standard cloth, which can effectively improve the defects existing in the prior art.

An embodiment of the present invention discloses a method for manufacturing a polyurethane composite material molded product, including: performing a mixing step, including: 60 parts by weight to 95 parts by weight of a polyurethane resin material and 3 parts by weight to 35 parts by weight of a cycloolefin polymer The material is kneaded at an operating temperature range of 180°C to 250°C to form a kneaded material; and a molding step is performed, which includes: using an injection molding machine, an extrusion molding machine, or an extrusion molding machine The kneaded material is melted at an operating temperature range of 180°C to 250°C and filled into a mold, and then cooled and solidified to form a polyurethane composite molded article having a predetermined shape.

Preferably, the polyurethane resin material is a granular polyurethane resin raw material, and the cycloolefin polymer material is a recycled material of cycloolefin polymer; wherein, the cycloolefin polymer material and the polyurethane resin Before the material is kneaded, the kneading step further includes: crushing the cycloolefin polymer material so that the cycloolefin polymer material is granular or powdery.

Preferably, the kneading step further includes kneading a compatibilizer into the kneading material, so that the molded article of the polyurethane composite material includes the compatibilizer after molding; wherein, the compatibilizer It is a polymer material containing a maleic anhydride functional group, and the polymer material containing a maleic anhydride functional group comprises a non-polar polymer and a maleic anhydride functional group grafted with the non-polar polymer ; Wherein, the non-polar polymer can be fused with the cycloolefin polymer material, and the maleic anhydride functional group can react with an amino group of the polyurethane resin material.

Preferably, the mixing step further includes mixing a silicon-containing additive to the mixing In the practice material, so that the molded product of the polyurethane composite material contains the silicon-containing additive after molding; wherein, in the molded product of the polyurethane composite material, the weight percentage of the silicon-containing additive ranges from 0.05 wt% Up to 5wt%.

Preferably, the silicon-containing additive is at least one selected from silicon dioxide, magnesium trisilicate, polydimethylsiloxane, and thermoplastic silicone vulcanizate .

Preferably, the predetermined shape of the molded article of the polyurethane composite material is a film or a sheet, and the molded article of the polyurethane composite material has a thickness of 7 microns to 35 microns, a weight of 9 grams to 27 grams per square centimeter, Breaking strength of 160kg/cm ² to 235kg/cm ² , 70,000g/m ² *24h to 120,000g/m ² *24h moisture permeability, and water resistance of 15,000mmH ₂ O to 20,000mmH ₂ O.

An embodiment of the present invention also discloses a polyurethane composite material molded product, including: a polyurethane resin matrix, the weight percentage of the polyurethane resin matrix in the polyurethane composite material molded product ranges from 60wt% to 95wt%; and a cycloolefin polymer Material, dispersed in the polyurethane resin matrix, and the weight percentage of the cycloolefin polymer material in the polyurethane composite material molded product ranges from 3wt% to 35wt%; wherein, the polyurethane composite material molded product is a film Or sheet-like, with a thickness of 7 microns to 35 microns, a weight of 9 grams to 27 grams per square centimeter, a breaking strength of 160 kg/cm ² to 235 kg/cm ² , 70,000 g/m ² *24h to 120,000 g / m ² * 24h of moisture permeability, and water repellency 15,000mmH ₂ O to the 20,000mmH ₂ O.

Preferably, the molded article of the polyurethane composite material further includes a compatibilizer dispersed in the polyurethane resin matrix, the compatibilizer is a polymer material containing maleic anhydride functional groups, and is compounded with the polyurethane In the molded material, the weight percentage of the compatibilizer ranges from 0.5wt% to 5wt%.

Preferably, the molded article of the polyurethane composite material further includes a silicon-containing additive dispersed in the polyurethane resin matrix, and is added to the polyurethane composite material In the molded product, the weight percentage of the silicon-containing additive ranges from 0.05 wt% to 5 wt%.

An embodiment of the present invention also discloses a waterproof and moisture-permeable membrane, including the polyurethane composite material molded product as described above.

The embodiment of the present invention also discloses a washing standard cloth, which includes the polyurethane composite material molded product as described above.

In summary, the manufacturing method of the polyurethane composite material molded product of the embodiment of the present invention can make the polyurethane resin material and the cycloolefin polymer material uniform with each other through the manufacturing process and manufacturing conditions disclosed in the kneading step and the molding step地混。 Mixed.

Furthermore, since the polyurethane composite molded article of the embodiment of the present invention is mixed with a specific ratio of cycloolefin polymer materials, it can maintain a certain degree of waterproofness, moisture permeability, and lightness when the film weight is light and the thickness is thin. Breaking strength and elongation, and further has better surface anti-sticking properties. In this way, the polyurethane composite molded product of the embodiment of the present invention can effectively improve the existing film-shaped polyurethane molded product mentioned in the prior art. The surface of the film material is easy to stick, the film material is thinned and lightweight After the lack of strength, it is easy to cause film breakage, and the film material at the bottom of the packaging tube is easy to stick to each other when the film material is wound, thereby effectively improving the application prospect of this material (such as: it can be used for washing Standard cloth).

In addition, since the cycloolefin polymer materials disclosed in the embodiments of the present invention can be selected from recycled materials of cycloolefin polymers, the manufacturing cost of molded articles of polyurethane composite materials can be reduced, and the purposes of waste recycling and environmental protection and energy saving can be achieved .

Furthermore, the washing standard cloth using the polyurethane composite molded article of this embodiment not only has the characteristics required by the traditional washing standard cloth (such as printability and anti-sticking characteristics on the surface), but also can be adhered or pasted The way is fixed on the fabric, which provides more diverse processing methods and increases the application prospect of the product.

In order to understand the features and technical contents of the present invention further, please refer to the following detailed description and drawings of the present invention, but these descriptions and drawings are only used to illustrate the present invention. The invention does not limit the scope of the invention.

FIG. 1 is a flowchart of a method for manufacturing a polyurethane composite molded product according to an embodiment of the present invention.

The following description is an embodiment of the present invention. It should be noted that this embodiment corresponds to the mentioned related quantity, ratio, and appearance, and is only used to specifically explain the embodiments of the present invention, so as to understand the present invention. Content, not to limit the scope of protection of the present invention.

[Manufacturing method of polyurethane composite material molded product]

As shown in FIG. 1, this embodiment discloses a method for manufacturing a molded product of a polyurethane composite material. The manufacturing method of the polyurethane composite material molded product includes step S110, step S120, and step S130. It must be noted that the order of the steps and the actual operation mode contained in this embodiment can be adjusted according to requirements, and is not limited to those contained in this embodiment.

Step S110 is to implement a material selection step, which includes: providing a polyurethane resin material and a cycloolefin polymer material.

In more detail, the polyurethane resin material is preferably a granular polyurethane resin raw material. Furthermore, the polyurethane resin material may be, for example, a thermoplastic polyurethane (TPU) material.

In addition, the cycloolefin polymer material is preferably a recycled material of the cycloolefin polymer, and the recycled material of the cycloolefin polymer may be, for example, a raw material derived from the cycloolefin polymer produced during the manufacturing process. Qualified products, scraps, scraps, or any molded products of discarded cycloolefin polymer materials. Furthermore, the cycloolefin polymer material is at least one selected from cycloolefin polymer (COP) and cycloolefin copolymer (COC). In other words, the cycloolefin polymer material may be pure It is selected from one of cycloolefin polymer or cycloolefin copolymer, or may be a combination selected from both cycloolefin polymer and cycloolefin copolymer.

Step S120 is to perform a kneading (or compounding, English name compounding) step, which includes: kneading the polyurethane resin material and the cycloolefin polymer material to form a kneading material.

In more detail, in order to allow the polyurethane resin material and the cycloolefin polymer material to be sufficiently mixed with each other, the polyurethane resin material and the cycloolefin polymer material have a preferable amount range, and in the temperature conditions of kneading It also has a better operating temperature range. Specifically, step S120 of this embodiment is to mix 60 parts by weight to 95 parts by weight of the polyurethane resin material and 3 parts by weight to 35 parts by weight of the cycloolefin polymer material at an operating temperature range of 180°C to 250°C. Treatment to form a kneading material containing the polyurethane resin material and cycloolefin polymer material. Wherein, the kneading equipment used in the above kneading treatment may be, for example, a twin-screw kneading granulator, a wheel mill, a kneader, a continuous extruder, or other kneading equipment having the same function, to prepare the kneaded material. Wherein, the kneading material is preferably in the form of particles, and the kneading material is preferably cooled to room temperature after being formed, so as to be used in the subsequent molding step (S130), but the present invention is not limited thereto.

Furthermore, since the cycloolefin polymer material of this embodiment is preferably a recycled material of cycloolefin polymer, and generally the recycled material usually has an irregular appearance, it is generally not suitable for direct use with other polymer materials. Mixing. In order to improve the above-mentioned defects, in this embodiment, before kneading the cycloolefin polymer material and the polyurethane resin material, the kneading step further includes: crushing the cycloolefin polymer material, so that The cycloolefin polymer material is in the form of particles or powder, so as to improve the mixing uniformity of the cycloolefin polymer material (cycloolefin polymer recovery material) and the polyurethane resin material (polyurethane resin raw material).

It is worth mentioning that, in order to increase the material properties of the final molded polyurethane composite material, the kneading step (step S120) of this embodiment may further include: kneading a silicon-containing additive into the kneading material, so that The polyurethane compound After molding, the material molded product contains the silicon-containing additive.

For example, in an embodiment of the present invention, in order to increase the anti-sticking property or anti-ultraviolet ability of the final molded polyurethane composite material, the silicon-containing additive may be selected from silicon dioxide and silicon At least one of magnesium trisilicate, polydimethylsiloxane, and thermoplastic silicone vulcanizate.

It should be noted that the material selection of the silicon-containing additive may be simply selected from one of the above material types; or may be a combination of two or more selected from the above material types, and the present invention is not limited . Furthermore, regardless of the selection of the material type of the silicon-containing additive, the weight percentage range of the silicon-containing additive in the final molded polyurethane composite material molded product is preferably 0.05 wt% to 5 wt%.

It is also worth mentioning that, in order to increase the compatibility between the polyurethane resin material and the cycloolefin polymer material, the kneading step (step S120) of this embodiment may further include: kneading a compatibilizer to the kneading material In order to increase the compatibility between the polyurethane resin material and the cycloolefin polymer material. Wherein, the compatibilizing agent may be, for example, a polymer material containing maleic anhydride functional groups, and the amount of the compatibilizing agent is preferably in the range of 0.5 to 5 parts by weight. Wherein, the polymer material containing maleic anhydride functional group may be, for example, a polymer material of a maleic anhydride grafted polymer, and the polymer material of the maleic anhydride grafted polymer It may be, for example, selected from maleic anhydride grafted polyethylene (PE-g-MAH), maleic anhydride grafted polypropylene (PP-g-MAH), and maleic anhydride grafted polystyrene-polyethylene-polybutylene At least one of olefin-polystyrene copolymers (SEBS-g-MAH).

In more detail, the polymer material containing maleic anhydride functional group contains a non-polar polymer (such as: polyethylene PE, polypropylene PP, polystyrene-polyethylene-polybutene-polystyrene copolymer SEBS), and a maleic anhydride functional group (MAH) grafted with the non-polar polymer. Among them, the non-polar polymer can be fused with a non-polar cycloolefin polymer material (fused after melt blending), and the maleic acid Anhydride functional groups (MAH) can react with an amino group at the molecular terminal of a polar polyurethane resin material to generate isocyanates, and the isocyanates can react with other isocyanates to form a graft copolymerization at the interface Products, thereby increasing the compatibility between the polyurethane resin material and the cycloolefin polymer material.

Step S130 is to implement a molding step, including: melting and mixing the kneading material into a mold, and then cooling and solidifying to form a polyurethane composite material molded product.

In more detail, step S130 in this embodiment is to use an injection molding machine, an extrusion molding machine, or an extrusion molding machine to operate the kneaded material at an operating temperature range of 180°C to 250°C (eg, a barrel Temperature or nozzle temperature) is melted and filled into the mold, and then cooled and solidified to form a polyurethane composite molded article having a predetermined shape. Wherein, the above-mentioned mold may be, for example, a pressing mold (die), a die-casting mold, a hollow blow mold, a vacuum forming mold, a pressure forming mold, an extrusion mold, or an injection mold, and the present invention is not limited thereto.

It is worth mentioning that, in order to facilitate the application of specific products, the predetermined shape of the polyurethane composite material molded product of this embodiment is a film or sheet shape, and the polyurethane composite material molded product preferably has a thickness of 7 microns to 35 The thickness of micrometers, the weight of 9 grams to 27 grams per square centimeter, the breaking strength of 160kg/cm ² to 235kg/cm ² , the 70,000g/m ² *24h to 120,000g/m ² *24h moisture permeability, and 15,000mmH ₂ O to 20,000mmH ₂ O water resistance. Here, the "weight" mentioned above refers to the weight per square centimeter of the polyurethane composite molded product.

In an embodiment of the present invention, in order to form the predetermined shape of the polyurethane composite material molded product into a film shape or a sheet shape, the method for manufacturing the polyurethane composite material molded product may be, for example, casting the kneaded material by casting The film forming process, the blow film forming process, or the extrusion film forming process, so that the molded article of the polyurethane composite material has a film shape or a sheet shape. For example, the casting film forming process is to plasticize and melt the kneaded material through an extrusion molding machine, and then extrude the kneaded material after plasticizing and melting through a molding die having a T-shaped structure, so that the The kneading material is in the form of a sheet, and it is cast onto the surface of a cooling roller to cool and cool and set the shape to form a film or a sheet Polyurethane composite material molded product, but the present invention is not limited thereto.

It should be noted that although this embodiment is described by the above method, the present invention is not limited to this, as long as it is any method that can form the polyurethane composite material into the above-mentioned predetermined shape, it is consistent with the protection of the present invention Spirit, and belongs to the protection scope of the present invention.

[Polyurethane composite molded product]

This embodiment also discloses a molded article of a polyurethane composite material. The molded article of the polyurethane composite material may be produced by the method for manufacturing the molded article of the polyurethane composite material, but the present invention is not limited thereto.

Specifically, the polyurethane composite material molded article includes a polyurethane resin matrix and a cycloolefin polymer material dispersed in the polyurethane resin matrix. Wherein, in the polyurethane composite material molded article, the weight percentage of the polyurethane resin matrix ranges from 60wt% to 95wt%, and the weight percentage of the cycloolefin polymer material ranges from 3wt% to 35wt%.

Wherein said polyurethane composite molded article in a thin film or sheet, and having a thickness of 7 microns and 35 microns, 9 grams to 27 grams of weight per square centimeter, 160kg / cm ² breaking strength to 235kg / cm ^2, and 70,000g/m ² *24h to 120,000g/m ² *24h moisture permeability, and 15,000mmH ₂ O to 20,000mmH ₂ O waterproof degree.

Wherein, the cycloolefin polymer material is at least one selected from cycloolefin polymer (COP) and cycloolefin copolymer (COC).

Wherein, the molded product of the polyurethane composite material further includes a compatibilizing agent dispersed in the polyurethane resin matrix, the compatibilizing agent is a polymer material containing maleic anhydride functional groups, and is contained in the polyurethane composite material In the molded product, the weight percentage of the compatibilizer ranges from 0.5wt% to 5wt%.

Wherein, the molded product of the polyurethane composite material further includes dispersed in the poly A silicon-containing additive in the urethane resin matrix, and in the polyurethane composite molded product, the weight percentage of the silicon-containing additive ranges from 0.05 wt% to 5 wt%.

It is worth mentioning that, because the polyurethane composite molded article of this embodiment is in the form of a film or sheet, and has better surface anti-sticking properties and dryness of hand, it is particularly suitable for various textile products or functional The manufacture of fabrics is especially suitable for the manufacture of standard washing fabrics.

In more detail, since the traditional washing standard cloth is limited by its material characteristics (such as nylon material), most of it is fixed on fabrics (such as clothing) by sewing, and its processing method is relatively limited. Relative to the above-mentioned defects, the washing standard cloth using the polyurethane composite molded article of this embodiment not only has the characteristics required by the traditional washing standard cloth (such as printability and surface anti-sticking characteristics), but also can be adhered or pasted The combined method is fixed on the fabric, which provides more diverse processing methods and increases the application prospect of the product.

[Test method for physical and chemical properties of polyurethane composite molded products]

The physical and chemical properties of the polyurethane composite molded article of this example are tested as follows. The water resistance (mmH ₂ O) is tested according to the international standard test method of JIS L1092, and the moisture permeability (g/m ² *24h) is based on JIS The international standard test method of L1099B1 is tested. The breaking strength (kg/cm ² ) and elongation (%) are tested according to the international standard test method of ASTM D412, and the surface stickiness is adjusted according to the international standard test method of JIS L0854. After testing.

Among them, the above-mentioned JIS L0854 international standard test method was originally used to test the storage color fastness, and the surface adhesion viscosity of this embodiment is tested according to the JIS L0854 international standard test method in the preparation and test conditions of the test piece, However, when judging the final physical and chemical characteristics, it is to evaluate whether the stacked test pieces are easily separated from each other. If the stacked test pieces are easily separated from each other, it is evaluated as non-sticky, if the stacked test pieces are not If it is easy to separate, it is evaluated as sticky.

The preparation and test conditions of the above test pieces are briefly described as follows: the test pieces are cut into three pieces of 10 cm by 4 cm in size; these test pieces are placed in specific fixtures (as specified in JIS L0854) Set); place the test pieces at a temperature of 70°C for 16 hours under a load of 5 kg; finally, determine whether the stacked test pieces are easily separated from each other.

[Test results of physical and chemical properties of polyurethane composite molded products]

The following provides a comparison table of the test results of the physical and chemical properties of the polyurethane composite molded product of the embodiment of the present invention and the existing polyurethane molded product containing only the polyurethane resin.

The following also provides the test results of the physicochemical properties of the polyurethane composite molded product of the embodiment of the present invention after reducing its film weight per square centimeter (light weight reduction) (there are currently no comparable products with the same film weight and thickness on the market) Can be compared).

It can be known from the above test results that, compared with the existing polyurethane molded products containing only polyurethane resins, the polyurethane composite molded products of the embodiments of the present invention can maintain a certain waterproofness when the film weight is lighter and the thickness is thinner Degree, moisture permeability, breaking strength, and elongation, and because the polyurethane composite molded article of the embodiment of the present invention is mixed with a cycloolefin polymer material, it can further have the characteristics of non-sticky surface.

[Technical efficacy of embodiments of the invention]

In summary, the manufacturing method of the polyurethane composite material molded product of the embodiment of the present invention can make the polyurethane resin material and the cycloolefin polymer material uniform with each other through the manufacturing process and manufacturing conditions disclosed in the kneading step and the molding step地混。 Mixed.

Furthermore, since the polyurethane composite molded article of the embodiment of the present invention is mixed with a specific ratio of cycloolefin polymer materials, it can maintain a certain degree of waterproofness, moisture permeability, and lightness when the film weight is light and the thickness is thin. Breaking strength and elongation, and further has better surface anti-sticking properties.

In this way, the polyurethane composite molded product of the embodiment of the present invention can effectively improve the existing film-shaped polyurethane molded product mentioned in the prior art. The surface of the film material is easy to stick, the film material is thinned and lightweight After the lack of strength, it is easy to cause film breakage, and the film material at the bottom of the packaging tube is easy to stick to each other when the film material is wound, thereby effectively improving the application prospect of this material (such as: it can be used for washing Standard cloth).

In addition, since the cycloolefin polymer materials disclosed in the embodiments of the present invention can be selected from recycled materials of cycloolefin polymers, the manufacturing cost of molded articles of polyurethane composite materials can be reduced, and the purposes of waste recycling and environmental protection and energy saving can be achieved .

Further, the washing standard cloth using the polyurethane composite molded article of this embodiment not only has the characteristics required by the traditional washing standard cloth (such as: printability and surface anti-sticking Characteristics), and it can be fixed on the fabric by bonding or fitting, thus providing more diverse processing methods and increasing the application prospect of the product.

The above are only preferred and feasible embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Any changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of protection of the claims of the present invention. .

Claims (10)

A method for manufacturing a polyurethane composite material molded product, comprising: performing a kneading step, comprising: mixing 60 parts by weight to 95 parts by weight of a polyurethane resin material and 3 parts by weight to 35 parts by weight of a cycloolefin polymer material at 180°C to Perform kneading treatment at an operating temperature range of 250°C to form a kneaded material; and implement a molding step, which includes: using an injection molding machine, an extrusion molding machine, or an extrusion molding machine Melted at an operating temperature range of ℃ to 250℃ and filled into a mold, and then cooled and solidified to form a polyurethane composite molded article having a predetermined shape; wherein the predetermined shape of the polyurethane composite molded article is a film or sheet, and a polyurethane composite molded article having a thickness of 7 microns and 35 microns, 9 grams to 27 grams of weight per square centimeter, 160kg / cm ² to 235kg / cm ² breaking strength, 70,000g / m ² *24h to 120,000g/m ² *24h moisture permeability and 15,000mmH ₂ O to 20,000mmH ₂ O water resistance. The method for manufacturing a polyurethane composite material molded article according to claim 1, wherein the polyurethane resin material is a granular polyurethane resin raw material, and the cycloolefin polymer material is a recycled material of cycloolefin polymer; wherein Before kneading the cycloolefin polymer material and the polyurethane resin material, the kneading step further includes: pulverizing the cycloolefin polymer material so that the cycloolefin polymer material appears Granular or powdery. The method for manufacturing a polyurethane composite material molded product according to claim 1, wherein the kneading step further includes kneading a compatibilizer into the kneading material, so that the polyurethane composite material molded product after molding, Containing the compatibilizer; wherein, the compatibilizer is a polymer material containing maleic anhydride functional group, and the polymer material containing maleic anhydride functional group includes a non-polar polymer, and A maleic anhydride functional group grafted on the non-polar polymer; wherein, the A non-polar polymer can be fused with the cycloolefin polymer material, and the maleic anhydride functional group can react with an amino group of the polyurethane resin material. The method for manufacturing a polyurethane composite material molded product according to claim 1, wherein the kneading step further includes kneading a silicon-containing additive into the kneading material, so that the polyurethane composite material molded product The silicon-containing additive is included; wherein, in the polyurethane composite molded product, the weight percentage of the silicon-containing additive ranges from 0.05 wt% to 5 wt%. The method for manufacturing a polyurethane composite molded article according to claim 4, wherein the silicon-containing additive is selected from silicon dioxide, magnesium trisilicate, polydimethylsiloxane, And at least one of silicone-based thermoplastic vulcanizates (thermoplastic silicone vulcanizate). A polyurethane composite material molded product, comprising: a polyurethane resin matrix, the polyurethane resin matrix in the polyurethane composite material molded product has a weight percentage ranging from 60wt% to 95wt%; and a cycloolefin polymer material, dispersed in the In the polyurethane resin matrix, and the weight percentage of the cycloolefin polymer material in the polyurethane composite material molded product ranges from 3wt% to 35wt%; wherein, the polyurethane composite material molded product is in the form of a film or a sheet, And have a thickness of 7 microns to 35 microns, a weight of 9 grams to 27 grams per square centimeter, a breaking strength of 160kg/cm ² to 235kg/cm ² , 70,000g/m ² *24h to 120,000g/m ² *24h moisture permeability, and water repellency 15,000mmH ₂ O to the 20,000mmH ₂ O. The polyurethane composite molded article according to claim 6, further comprising a compatibilizer dispersed in the polyurethane resin matrix, the compatibilizer is a polymer material containing a maleic anhydride functional group, and In the molded article of the polyurethane composite material, the weight percentage of the compatibilizer ranges from 0.5wt% to 5wt%. The polyurethane composite molded article according to claim 6, further comprising a dispersion A silicon-containing additive in the polyurethane resin matrix, and in the polyurethane composite molded product, the weight percentage of the silicon-containing additive ranges from 0.05 wt% to 5 wt%. A waterproof and moisture-permeable membrane comprising the polyurethane composite material molded product according to any one of claims 6 to 8. A washing standard cloth, comprising the polyurethane composite material molded article according to any one of claims 6 to 8.

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