KR102493501B1 - Building Membrane Structures with improved fire resistance, contamination, durability, and weather resistance - Google Patents

Abstract

The present invention relates to 'a semi-incombustible construction membrane structure with improved fire resistance, stain resistance, durability, and weather resistance';
A functional resin composition coating layer coated or coated with the functional resin composition of the present invention is provided on both sides of a glass fiber in the form of yarn cross among the substrates of the architectural membrane structure,
The semi-incombustible performance of the membrane structure for construction is secured, and at the same time, the low-wicking performance of contaminants is provided without the need for a separate water-repellent treatment process, so the fouling resistance performance is strengthened, and the tensile strength and tensile strength of the membrane structure for construction are improved. Durability and weather resistance properties including thermal strength and adhesive strength are further strengthened, shrinkage due to heat is minimized to improve dimensional stability properties, and a separate water repellent treatment process is not added to the base material, so workability is further improved to improve productivity and use It is about 'a semi-incombustible construction membrane structure with improved fire resistance, stain resistance, durability, and weather resistance' that is convenient and cost-saving.

Description

Semi-incombustible construction membrane structures with improved fire resistance, contamination resistance, durability, and weather resistance {Building Membrane Structures with improved fire resistance, contamination, durability, and weather resistance}

The present invention relates to 'a semi-incombustible construction membrane structure with improved fire resistance, stain resistance, durability, and weather resistance';

More specifically, a functional resin composition coating layer coated or coated with the functional resin composition with enhanced impregnation of the present invention is provided on both sides of a glass fiber in the form of yarn cross among the substrates of the architectural membrane structure, It relates to 'a semi-incombustible construction membrane structure with improved fire resistance, fouling resistance, durability, and weather resistance' that secures the quasi-incombustible performance of the architectural membrane structure and at the same time has the low-wicking performance of contaminants:

The functional resin composition of the present invention is coated or applied on both sides of a base material composed of high-strength glass fiber fabric in the form of yarn cross by a construction membrane structure equipped with a functional resin composition coating layer;

In particular, as the flame retardant performance of the membrane structure for construction is strengthened, high fire resistance performance is exhibited in the event of a fire.

Durability and weather resistance properties including tensile strength, tear strength and adhesive strength of architectural membrane structures are enhanced, and shrinkage due to heat is minimized to improve dimensional stability properties:

The low-wicking performance of contaminants is secured, and contaminants that may enter through the joints and cross sections of the architectural membrane structure are blocked:

In addition, by a construction membrane structure provided with a surface layer coated or coated with a fluororesin composition or a fluoroacrylic resin composition on the outside of the functional resin composition coating layer;

The fire resistance performance, contamination resistance, durability and weather resistance of architectural membrane structures are further improved:

In addition, since a separate water-repellent treatment process is not added to the base material, workability is further improved, productivity is improved, use is easy, and cost can be reduced: 'Semi-incombustible construction film with improved fire resistance, stain resistance, durability, and weather resistance' It's about structure.

Hereinafter, the background technology of the present invention will be described;

The background technology of the present invention is disclosed in Korean Patent Publication No. 10-2014-0110564 (published date: 2014. 09. 17.), "Method for manufacturing membrane structural fabric for construction and membrane structural fabric for construction using the same" It has been described in detail, and by citing it, the technology that is the background of the invention and additional problems of the prior art are described.

The Republic of Korea Patent Publication No. 10-2014-0110564 of the prior art;

Steps to prepare a fabric for membrane structure coated with PVC:

Fluorine-based PVDF (Polyvinylidene

fluoride) film preparation steps:

Applying an adhesive to one side while transferring the membrane structure fabric: and

The fluorine-based PVDF (Polyviny

It consists of a method for manufacturing a membrane structural fabric for construction, including the step of attaching to one side of a lidenefluoride) film, and a membrane structural fabric for construction using the same.

In addition, in general, the membrane structure of a similar kind of building membrane structure, including tent paper or sheet paper,

Polyethylene terephthalate (PET) fabric or glass fiber as a material that maintains a stable shape against external load by using a flexible membrane made of coated fabric as a structure to give it initial tension and increase the rigidity of the exterior. Polyethylene terephthalate (PET) fabric or glass fiber (Glass fiber) It consists of a vinyl chloride resin mixture coating layer on both sides of the fabric and a weather resistance enhancement layer for improving weather resistance on top of the vinyl chloride resin mixture coating layer.

However, the construction membrane structure, including Korean Patent Publication No. 10-2014-0110564 of the prior art, is a film structure fabric coated with polyvinyl chloride (PVC) and a fluorine-based polyvinylidene fluorocarbon attached to one side of the fabric. Ride (PVDF: Polyviny

lidene fluoride) consisting of a film substrate and an adhesive provided on the outside of the substrate, or:

Alternatively, on both sides of a polyethylene terephthalate (PET) fabric or glass fiber fabric as a base material, a vinyl chloride resin mixture coating layer and a weather resistance enhancement layer for improving weather resistance on top of the vinyl chloride resin mixture coating layer by being composed;

Fire resistance is lowered, and contaminants are introduced through the joint and cross section of the product due to the osmotic pressure phenomenon, resulting in permanent contamination and strength reduction;

If a separate water-repellent treatment is performed on polyethylene terephthalate fabric or glass fiber fabric, which is the base material, to prevent contaminants from entering through the cross section of the product, a manufacturing process is added, which increases the process cost, lowers the strength of the product, and reduces workability. There is a problem that significantly deteriorates.

Therefore, without adding a separate water-repellent treatment process through the functional compound, the fire resistance of the architectural membrane structure and the fouling resistance performance by preventing the capillary absorption of contaminants (low-wicking) are enhanced, and the durability and weather resistance properties are enhanced. However, there is an urgent need to develop membrane structures for construction that can improve productivity and lower production costs.

According to the structure of the present invention, 'a semi-incombustible construction membrane structure with improved fire resistance, contamination resistance, durability, and weather resistance';

Improve the problems of the prior art and,

In particular, the flame retardant performance of the membrane structure for construction is strengthened, so that in the event of a fire, high fire resistance performance of the semi-non-retardant level is exhibited, and at the same time, the low-wicking performance of contaminants is secured without the need for a separate water-repellent treatment process on the base material. Fouling resistance properties are enhanced;

The durability properties and weatherability properties including tensile strength, tear strength, and adhesive strength of the architectural membrane structure are further enhanced, and dimensional stability properties are also improved by minimizing heat shrinkage;

A separate water-repellent treatment process is not added to the base material, so workability is further improved, productivity is improved, it is easy to use, and it is possible to reduce costs; It is an object of the present invention and a problem to be solved by the present invention to provide 'a semi-incombustible building membrane structure with improved fire resistance, contamination resistance, durability, and weather resistance'.

Among the substrates of the membrane structure for construction, a glass fiber fabric substrate in the form of yarn cross;

A 'functional resin composition coating layer coated or coated with a functional resin composition having enhanced impregnation into fabric' on both sides of the substrate;

Equipped with a surface layer composed of a fluororesin or a fluororesin or a fluororesin coated or bonded to the outside of the functional composition coating layer; 'Semi-incombustible membrane structure for construction with improved fire resistance, contamination resistance, durability, and weather resistance';

Of the manufacturing method of the present invention,

Step 1: Preparing a functional functional resin composition containing a vinyl chloride resin, a plasticizer, a flame retardant, a wetting and dispersing agent, a stabilizer, and additives;

Step S2: A liquid or sol fluororesin composition or a fluororesin composition prepared by mixing a fluororesin or a fluoro-acrylic resin and solvents such as methyl ethyl ketone and propylene glycol methyl ether in a stirrer, or: Fluorine resin composition or fluorine

- Preparing a fluorine film or a fluorine-acrylic film in which the acrylic resin composition is processed into a film form;

Step S3: a step in which a functional resin composition is coated or applied on both sides of a glass fiber fabric as a substrate to produce a functional resin composition coating layer;

Step S4: A fluororesin composition or a fluoro-acrylic resin composition is coated or applied to the outside of the functional resin composition coating layer: a step in which a fluorine film or a fluoro-acrylic film is bonded surface layer is produced; The above problems are solved by providing 'a method for manufacturing a semi-incombustible building membrane structure with improved fire resistance, stain resistance, durability and weather resistance'.

Due to the composition of the present invention, “a semi-incombustible construction membrane structure with improved fire resistance, contamination resistance, durability, and weather resistance”; Solving the problems of the prior art and

prior art Composed of a substrate or a coating layer of a mixture of the substrate and vinyl chloride resin Compared to architectural membrane structures,

In particular, the flame retardant performance of the membrane structure for construction is enhanced, and the effect of enhancing the fire resistance performance in the event of a fire;

The low-wicking performance of contaminants is secured without the need for a separate water-repellent treatment process on the base material, and the effect of strengthening the fouling resistance property;

The durability and weather resistance properties including tensile strength, tear strength, and adhesive strength of the architectural membrane structure are further strengthened, and shrinkage due to heat is minimized to improve dimensional stability properties;

A separate water-repellent treatment process is not added to the substrate, so workability is further improved, resulting in improved productivity, ease of use, and cost reduction; It is a very useful invention.

1 is a reference diagram of a semi-incombustible construction membrane structure of the present invention;
Figure 2 is a schematic diagram schematically showing the manufacturing method of the semi-incombustible building membrane structure of the present invention;
Figure 3 is a process diagram schematically showing the manufacturing method and manufacturing apparatus of the semi-incombustible building membrane structure of the present invention;
4 and 5 are the Ministry of Land, Infrastructure and Transport Notice No. 2020-263 of the semi-incombustible building membrane structure of the present invention 'certified institution FITI Test Research Institute Test Report' according to the standards of non-combustible materials.

Hereinafter, according to the accompanying drawings of the present invention We will explain in detail about "a semi-incombustible architectural membrane structure with improved fire resistance, contamination resistance, durability and weather resistance",

"The composition and weight ratio constituting the present invention, the corresponding physical property values of the composition, and the numerical range specified in the manufacturing method are not simply limited to numerical values:

The present applicant has improved the configuration to meet the purpose of the present invention through numerous experiments and efforts, As the numerical range specified in the composition and weight ratio, the corresponding physical property value and manufacturing method of the composition;

Compared to the prior art substrate, or a membrane structure for construction composed of a coating layer of a substrate and a polyvinyl chloride resin mixture:

In particular, the flame retardant performance of the membrane structure for construction is strengthened, so that the fire resistance performance is enhanced in the event of a fire. At the same time, the low-wicking performance of contaminants is secured without the need for a separate water-repellent treatment process on the base material, so the fouling resistance property is also strengthened. is;

Durability and weatherability properties including tensile strength, tear strength, and adhesive strength of architectural membrane structures are enhanced, and shrinkage due to heat is minimized to improve dimensional stability properties;

A separate water-repellent treatment process is not added to the base material, so workability is further improved, productivity is improved, it is easy to use, and cost reduction is possible; Equipped with inventive step, the composition and weight ratio of appropriate configuration, the corresponding physical property values of the composition, and the numerical range specified in the manufacturing method,

of the present invention More detailed in the embodiment, and Ministry of Land, Infrastructure and Transport Notice of FIGS. 4 and 5 2020-263 The test results are clearly published in the test report of the FITI Testing & Research Institute, an accredited institution according to the standards of semi-incombustible materials has been done; This makes it clear that it is not just a simple numerical limitation.

In addition, the manufacturing method and composition mentioned in the present invention are described only to help the understanding of the present invention;

'Method for manufacturing a semi-noncombustible construction membrane structure with improved fire resistance, stain resistance, durability, and weather resistance', which is a separate patent identical to the present invention by the present applicant, and 'semi-incombustible construction with improved fire resistance, stain resistance, durability, and weather resistance' It is clarified that the application was filed as 'coating composition of membrane structure' .

In addition, the low-wicking performance mentioned in the present invention;

It refers to a phenomenon in which contaminants including moisture loaded on the outside of the substrate are absorbed into the inside of the substrate by the capillary phenomenon, which is described as a low-wicking phenomenon.

As shown in Figure 1,

Semi-incombustible construction membrane structure (100) with improved fire resistance, fouling resistance, durability and weather resistance of the present invention, equipped with low-wicking performance of contaminants as well as securing quasi-incombustible performance of the architectural membrane structure 'silver;

1) a base material 10 made of high-strength glass fiber fabric in the form of yarn cross, and

2) a functional resin composition coating layer 20 coated or coated with a functional resin composition having a composition having a maximum impregnation property in the fabric in a viscosity range of 200 to 3,000 cps coated or applied on both sides of the base material 10;

3) A fluororesin or fluoro-acrylic having a molecular weight of 10,000 to 40,000, a melting point of -40 to -30 ° C, a boiling point of 180 to 200 ° C, and a viscosity of 50 to 250 cps, coated or applied or bonded to the outside of the functional resin composition coating layer 20 It consists of a surface layer 30 made of resin.

The substrate 10 is;

Yarn with a filament diameter of 3 to 7㎛, an alkali content of 0.01 to 0.8%, a SIO2 content of 50 to 70%, a specific gravity of 2 to 3, a softening point of 700 to 850 ℃, and a fiber length per pound of 7,500 to 10,000 yds It is composed of a base material 10 made of glass fiber fabric woven in the form of a fabric by combining a plurality of yarns to form one yarn.

Therefore, it is composed of a high-strength glass fiber fabric in the form of yarn cross of the above physical property conditions, and flame retardant performance of the base material 10 is imparted, and durability including tensile strength, tear strength, and adhesive strength of the architectural membrane structure 100 of the present invention and weather resistance properties are enhanced, shrinkage due to heat is minimized, dimensional stability properties are improved, and the functional resin composition of the composition of the present invention is more easily impregnated on the outside of the base material 10 to form a functional resin composition coating layer 20 It consists of a base material (10).

The functional resin composition coating layer 20;

Based on 100% by weight of the functional resin composition,

25 to 67% by weight of polyvinyl chloride (PVC) having an average particle diameter of 0.1 to 2.0 μm, a degree of polymerization of 1,000 to 1,700, an apparent density of 0.15 to 0.5 g/cc, and a BF viscosity of 5 to 15 Pa.s: molecular weight of 350 to 450, specific gravity 0.9 to 1.0, heating loss 0.1 to 0.4% by weight, volume resistivity 2.0 x 10 ¹¹ Ω cm to 5.0 x 10 ¹¹ Ω cm, absorption rate 150 to 230 sec Diisononyl phthalate plasticizer 30 to 60% by weight : Molecular weight 250 to 300, specific gravity 3 to 6, melting point 600 to 700 ℃ flame retardant antimony trioxide mixture 1 to 7% by weight: molecular weight 300 to 400, density 1 to 1.5, flash point 200 to 250 ℃, loss on drying 0.1 to 0.3 phosphate 1 to 5% by weight of flame retardant plasticizer: Calcium-zinc (Ca-Zn) stabilizer or barium-zinc (Ba-Zn) stabilizer having specific gravity 0.9 to 1.5 and refractive index 1 to 2 0.5 to 2% by weight: specific gravity 0.9 to 1.3, acid value ca.80 to ca.120mg/g phosphoric acid ester-based wetting and dispersing agent 0.5 to 1% by weight: a functional resin composition mixed with a functional resin composition coating layer 20 coated or applied on the outside of the base material 10, and ,

remind, The functional resin composition adjusts the interfacial tension at a viscosity level of 200 to 3,000 cps to allow penetration between the substrates 10 in a short time, maximizes efficiency by reducing dispersion time, and prevents reaggregation between raw materials over time (10) is configured to be sufficiently impregnated.

Therefore, when the functional resin composition of the composition of the present invention and the functional resin composition having a weight ratio and a viscosity in the range of 200 to 3,000cps are impregnated to the outside of the base material 10, the impregnation performance due to the reinforcement of the bonding force is maximized, resulting in yarn cross-type high-strength glass fibers (Glass fiber) by the present invention architectural membrane structure 100 having a functional resin composition coating layer 20 coated or applied on both sides of a substrate 10 composed of fabric;

In particular, the flame retardant performance of the architectural membrane structure 100 of the present invention is further strengthened, so that in the event of a fire, high fire resistance performance of the semi-non-flammable class is exhibited,

In the substrate 10 of the membrane structure 100 for construction of the present invention, a separate The low-wicking performance of contaminants is secured without adding a process including a water-repellent treatment process, and contaminants that may flow in through the junction and cross section of the architectural membrane structure are blocked to enhance the fouling resistance property;

The durability properties and weatherability properties including tensile strength, tear strength, and adhesive strength of the architectural membrane structure of the present invention are further enhanced, and dimensional stability properties are further improved by minimizing heat shrinkage;

A structure in which a process including a separate water-repellent treatment process is unnecessary for the base material 10 of the architectural membrane structure 100 of the present invention, so workability is further improved, productivity is improved, use is easy, and cost can be reduced;

It consists of a functional resin composition coating layer 20 on which the functional resin composition of the composition of the present invention is easily coated or applied on both sides of a base material 10 made of high-strength glass fiber fabric in the form of yarn cross.

The surface layer 30,

On the outside of the functional resin composition coating layer 20, a fluororesin composition composed of 100% by weight of a fluororesin or 5 to 14% by weight of a fluoro-acrylic resin, 55 to 60% by weight of methyl ethyl ketone as a solvent, propylene glycol methyl ether 31 to 35% by weight of a mixed fluoro-acrylic resin composition is composed of a coating or applied surface layer (30);

Alternatively, on the outside of the functional resin composition coating layer 20, the fluororesin composition or fluoro-acrylic resin composition of the above composition is processed into a film form, and a fluorofilm or fluoro-acrylic film is bonded to the surface layer 30 It consists of.

The fluororesin or fluoro-acrylic resin,

It consists of a fluororesin or a fluoro-acrylic resin with a molecular weight of 10,000 to 40,000, a melting point of -40 to -30°C, a boiling point of 180 to 200°C, and a viscosity in the range of 50 to 250cps.

Therefore, the surface layer 30 coated or coated with the fluororesin composition or fluoro-acrylic resin composition of the present invention on the outside of the functional resin composition coating layer 20 consists of:

Alternatively, it consists of a surface layer 30 bonded to a fluororesin composition or a fluororesin composition of the present invention or a fluoro-acrylic resin composition processed into a film form or a fluoro-acrylic film on the outside of the functional resin composition coating layer 20;

It is composed of the surface layer 30 having a structure in which fouling resistance, weather resistance, and durability properties of the architectural membrane structure 100 of the present invention are further strengthened.

In addition, the functional resin composition coating layer 20 applied to both sides of the substrate including the substrate 10 is composed of a thickness of 0.5 to 1.2mm, the surface layer 30 is preferably composed of a thickness of 2.0 to 35㎛;

This is one preferred embodiment, and the present invention is not limited to the thickness range, and may be configured with a thickness other than the above.

as needed;

The 'semi-incombustible construction membrane structure 100 with improved fire resistance, stain resistance, durability, and weather resistance' of the present invention is:

Of the configuration excluding the surface layer 30,

A base material 10 made of glass fiber fabric in the form of yarn cross, and

The functional resin composition of the composition of the present invention may be composed of a functional resin composition coating layer 20 coated or applied on both sides of the substrate 10;

In addition, a functional resin composition coating layer coated or applied on both sides of the substrate 10

(20) This:

A functional resin composition coating layer coated or applied on only one side of the substrate 10

may consist of (20);

In addition, in order to further strengthen the bonding force between the functional resin composition coating layer 20 and the surface layer 30,

An upper portion of the functional resin composition coating layer 20 or a lower portion of the surface layer 30 is provided with a urethane resin or acrylic resin-based adhesive layer, 'a semi-incombustible construction membrane structure with improved fire resistance, stain resistance, durability, and weather resistance ( 100)'.

In addition, the substrate 10 is:

Excluding glass fiber fabric, it may also be composed of one type of substrate selected from a film, sheet, and laminate of plastic materials including polyethylene terephthalate having semi-incombustible performance.

In addition, the vinyl chloride resin of the functional resin composition;

It may be composed of polyethylene terephthalate resin, polypropylene resin, or one type of resin selected from polyethylene resin.

In addition, with respect to 100 parts by weight of the functional resin composition:

As a heat stabilizer, 1.0 to 3.0 parts by weight of calcium stearate (Ca-st), barium stearate (Ba-st) or cadmium stearate (Cd-st) may be added;

0.1 to 2.0 parts by weight of bis 2,2,6,6-tetramethyl-4-piperidyl sebacate, which is a sunscreen, may be added;

0.1 to 2.5 parts by weight of one or a mixture of one or more selected from amine, bis-hydrogenated tallow alkyl, or oxidizide, which is an antioxidant, may be added;

0.5 to 2.5 parts by weight of titanium dioxide or carbon black, which is a colorant for coloring and dispersing the composition, may be added;

For strengthening bonding strength, 5 to 10 parts by weight of a urethane-based adhesive may be added.

Therefore, the 'quasi-incombustible construction membrane structure 100 with improved fire resistance, contamination resistance, durability, and weather resistance' of the present invention;

In particular, the low-wicking performance of contaminants is ensured without adding a separate water-repellent treatment process to the base material 10 of the architectural membrane structure 100, thereby inflowing through the junction and cross section of the architectural membrane structure. Possible contaminant inflow is blocked, and the fouling resistance property is strengthened,

The functional resin composition of the present invention maximizes the impregnation performance due to the strengthening of bonding strength, so that the substrate 10 composed of glass fiber fabric in the form of yarn cross is coated or coated on both sides of the base material 10. Equipped with a functional resin composition coating layer 20 Became,

The flame retardant performance of the architectural membrane structure 100 of the present invention is enhanced, so that semi-non-flammable fire resistance performance is secured in the event of a fire, durability and weather resistance properties including tensile strength, tear strength, and adhesive strength are enhanced, and shrinkage due to heat is minimized. dimensional stability properties and also improved technical composition and:

By the functional resin composition coating layer 20 coated or applied on the outside of the substrate 10 of the present invention, a separate water-repellent treatment process is not added to the substrate 10, so workability is further improved, resulting in improved productivity and ease of use. , technology composition division capable of cost reduction;

Fluorine resin composition or fluorine provided on the outside of the functional resin composition coating layer 20

-By the surface layer 30 in which the acrylic resin composition is coated or applied, or a fluorine film processed in the form of a film or a fluorine-acrylic film is bonded,

The weather resistance, fouling resistance, and durability properties of the architectural membrane structure 100 of the present invention are further enhanced; It consists of a semi-incombustible architectural membrane structure (100) with improved fire resistance, contamination resistance, durability, and weather resistance.

Hereinafter, reference will be made to the 'method for manufacturing a semi-incombustible building membrane structure 100 with improved fire resistance, stain resistance, durability, and weather resistance' of the present invention.

As shown in Figure 2, (product configuration: see Figure 1)

Semi-incombustible construction membrane structure (100) with improved fire resistance, fouling resistance, durability and weather resistance of the present invention, which secures the semi-incombustible performance of the architectural membrane structure and at the same time has the low-wicking performance of contaminants The manufacturing method of 'is;

Step S1: preparing a functional functional resin composition containing a vinyl chloride resin, a plasticizer, a flame retardant, a wetting and dispersing agent, a stabilizer, and an additive;

Step S2: A liquid or sol fluororesin composition or a fluororesin composition prepared by mixing fluororesin, or fluoro-acrylic resin, and solvents such as methyl ethyl ketone and propylene glycol methyl ether in a stirrer, or a fluoro-acrylic resin composition: Fluorine resin composition or fluorine

- Preparing a fluorine film or a fluorine-acrylic film in which the acrylic resin composition is processed into a film form;

Step S3: a step in which a functional resin composition is coated or applied on both sides of a glass fiber fabric as a substrate to produce a functional resin composition coating layer;

Step S4: A fluororesin composition or a fluoro-acrylic resin composition is coated or applied to the outside of the functional resin composition coating layer: a step in which a fluororesin film or a fluoro-acrylic film is bonded to a surface layer is formed.

The S1 step;

As a step in which a functional resin composition is prepared,

25 to 67% by weight of polyvinyl chloride (PVC) having an average particle diameter of 0.1 to 2.0 μm, a degree of polymerization of 1,000 to 1,700, an apparent density of 0.15 to 0.5 g/cc, and a BF viscosity of 5 to 15 Pa.s: molecular weight of 350 to 450, specific gravity 0.9 to 1.0, heating loss 0.1 to 0.4% by weight, volume resistivity 2.0 x 10 ¹¹ Ω cm to 5.0 x 10 ¹¹ Ω cm, absorption rate 150 to 230 sec Diisononyl phthalate plasticizer 30 to 60% by weight : Molecular weight 250 to 300, specific gravity 3 to 6, melting point 600 to 700 ℃ flame retardant antimony trioxide mixture 1 to 7% by weight: molecular weight 300 to 400, density 1 to 1.5, flash point 200 to 250 ℃, loss on drying 0.1 to 0.3 phosphate 1 to 5% by weight of flame retardant plasticizer: Calcium-zinc (Ca-Zn) stabilizer or barium-zinc (Ba-Zn) stabilizer having specific gravity 0.9 to 1.5 and refractive index 1 to 2 0.5 to 2% by weight: specific gravity 0.9 to 1.3, acid value ca.80 to ca.120mg/g phosphoric acid ester-based wetting and dispersing agent 0.5 to 1% by weight: is composed of a step of preparing a mixed functional resin composition;

The functional resin composition adjusts the interfacial tension at a viscosity level of 200 to 3,000 cps to allow penetration between the substrates 10 in a short time, maximizes efficiency by reducing dispersion time, and reduces re-aggregation between raw materials over time. It is configured to sufficiently impregnate the substrate 10 by blocking it.

The S2 step;

A fluororesin composition or a fluoro-acrylic resin composition coated or applied to the outside of the functional resin composition coating layer 20 provided on both sides of the substrate 10 is prepared or:

Alternatively, as a step in which a fluororesin composition or a fluoropolymer-acrylic resin composition bonded to the outside of the functional resin composition coating layer 20 provided on both sides of the substrate 10 is processed into a film form, or a fluorofilm or fluoro-acrylic film. ,

Molecular weight 10,000 to 40,000, melting point -40 to -30 ℃, boiling point 180 to 200 ℃, viscosity in the range of 50 to 250 cps, 100% by weight of fluororesin or 5 to 14% by weight of fluoro-acrylic resin and 55 to 60 methyl ethyl ketone as a solvent % by weight and 31 to 35% by weight of propylene glycol methyl ether are mixed in a stirrer to form a liquid or sol-phase fluororesin composition or fluoro-acrylic resin composition.

In addition, a fluororesin composition or a fluoro-acrylic resin composition is processed into a film form, and a fluorofilm or fluoro-acrylic film is prepared.

The S3 step;

As a step of producing a functional resin composition coating layer 20 in which the functional resin composition prepared in step S1 is coated on both sides of the base material 10 or coated on both sides,

Preferably, the base material 10 and the total thickness of the functional resin composition coating layer 20 coated or applied by maximizing the impregnation performance on the base material 10 is made of 0.5 to 1.2 mm.

In addition, the substrate 10;

Yarn cross-type filament diameter 3 to 7㎛, alkali content 0.01 to 0.8%, SIO2 content 50 to 70%, specific gravity 2 to 3, softening point 700 to 850 ℃, fiber length per pound 7,500 to 10,000 yds thickness It consists of a substrate 10 composed of a glass fiber fabric woven in the form of a fabric constituting one yarn by plying a plurality of yarns having a.

The step S4 is;

On the outside of the functional resin composition coating layer 20 produced in step S3, the fluororesin composition or fluoro-acrylic resin composition prepared in step S2 is coated or applied: a surface layer 30 to which a fluorine film or fluorine-acrylic film is bonded is generated, and the manufacturing method of the construction membrane structure 100 of the present invention, which is a finished product, is produced;

Preferably, the surface layer 30 of step S4 is made to have a thickness of 2.0 to 35 μm.

As shown in Figure 3, (product configuration: Figure 1, manufacturing method: see Figure 2)

A method for producing a functional resin composition coating layer 20 in which the functional resin composition prepared in step S1 is coated on both sides of the substrate 10 in step S3 or coated on both sides,

The method for producing the surface layer 30 in which the fluororesin composition or the fluoro-acrylic resin composition prepared in step S2 is coated on both sides or coated on both sides on the outside of the functional resin composition coating layer 20 in step S4;

In the gravure coating machine, when the substrate 10 passes between the coating roll 240 and the silicon roll 250, a pressure of 2.5 to 3.5 kgf/cm 2 is applied to the outside of the substrate 10 so that a pressure of 2.0 to 3.5 kgf/cm 2 is applied to the outside of the substrate 10. 35㎛ After applying or coating the functional resin composition in thickness,

The gel ( gel), the functional resin composition coating layer 20 is created;

The substrate on which the functional resin composition coating layer 20 is produced is the same as the method of producing the functional resin composition coating layer 20,

When the substrate 10 on which the functional resin composition coating layer 20 is generated in the gravure coater passes between the coating roll 240 and the silicon roll 250, 2.5 to 3.5 kgf / cm 2 to the outside of the functional resin composition coating layer 20 By applying a pressure of 2.0 to 35㎛ thickness to the outside of the functional resin composition coating layer (20) After the fluororesin composition or the fluoro-acrylic resin composition is applied or coated,

The gel ( gel), the surface layer 30 is created, and the manufacturing method of the finished product of the present invention, 'the semi-incombustible architectural membrane structure 100 with improved fire resistance, stain resistance, durability, and weather resistance' is manufactured.

In addition, if necessary, a surface layer 30 bonded to a fluorine film or a fluorine-acrylic film is formed on the outside of the substrate on which the functional resin composition coating layer 20 is formed, manufacturing a finished product, the architectural membrane structure 100; It consists of a manufacturing method of.

In addition, the steps S3 and S4 of the present invention;

When coating or applying the functional resin composition coating layer 20 or the surface layer 30, the coating roll

The rotation speed of 240 is 5 to 10 rpm/min, and coating or coating is applied by applying a pressure of 2.5 to 3.5 kgf/cm2, and the tension of the semi-finished product is maintained at 100 to 150 kgf/cm 2 for uniform coating or coating and Adjust the contact angle of the coater knife to 40 to 60°

and

In addition, the functional resin composition of step S1 or the fluororesin composition or fluoro-acrylic resin composition of step S2;

Loaded on the surface of the coating roll 240 in which a plurality of intaglio grooves are formed, the coating roll

The substrate 10 introduced through the passage between the 240 and the silicon roll 250 on the side of the coating roll, the functional resin composition coating layer 20 coated or applied on the top and bottom of the substrate, and the functional resin composition coating layer 20 It consists of a surface layer 30 coated or applied on the top and bottom of the ),

In addition, the coating roll 240 of steps S3 and S4 is;

It consists of a mesh (MESH) coating roll with a diameter of 3,500 to 3,800 mm in which 30 to 150 intaglio grooves of 50 to 250 μm depth are engraved for adjusting the coating thickness within 1 inch of area,

In order to prevent uniform coating or coating and roll marks when coating or applying the functional resin composition and the fluororesin composition or the fluoro-acrylic resin composition, a silicon roll is placed on top of the silicon roll 250 as a base material or a functional resin composition coating layer. A stainless steel press roll, which plays a role in adhering the top and bottom of the coat, is installed and used interlockingly, and the coating amount is controlled by the coater knife on the side of the coating roll.

In addition, the oven 260 for gelation of the functional resin composition and fluororesin composition or fluoro-acrylic resin composition in steps S3 and S4;

A plurality of first, second, and third heating zones 261, 262 having different internal temperatures of the oven 260;

263), and the temperature is gradually raised to a temperature of 110 to 150 ° C in multiple stages by the first, second, and third heating zones having different internal temperatures, so that the liquid or sol phase The functional resin composition and the fluororesin composition or the fluororesin composition are volatilized and gelation proceeds smoothly,

The functional resin composition and the fluororesin composition or the fluoro-acrylic resin composition are evenly dispersed and melted so that the intrinsic properties of the functional resin composition and the fluororesin composition or the fluoro-acrylic resin composition are maintained.

In addition, the functional resin composition coating layer 20 applied to both sides of the substrate including the substrate 10 of the step S3 is made to have a thickness of 0.5 to 1.2 mm, and the surface layer 30 of step S4 is made to have a thickness of 2.0 to 35 μm. It is desirable to be;

This is one preferred embodiment, and the manufacturing method of the present invention is not limited to the thickness range, and it can be manufactured with a thickness other than the above.

Also, as needed;

Configuration of the manufacturing method excluding the manufacturing method of the surface layer 30 of the steps S2 and S4

of,

In the manufacturing method of steps S1 and S3, the bonding strength of the composition of the present invention is excellent on both sides of the base material 10, so that the impregnation performance is maximized, and the functional resin composition is coated or coated with the functional resin composition coating layer 20. may consist of a method;

In addition, the functional resin composition coating layer 20 coated or applied on both sides of the substrate 10 in the step S3 or S4 and the surface layer 30 coated or applied on both sides of the functional resin composition coating layer 20 are:

It may be made of a functional resin composition coating layer 20 coated or applied on only one surface of the substrate 10, or a surface layer 30 coated or applied only on one surface of the functional resin composition coating layer;

In addition, in order to further strengthen the bonding force between the functional resin composition coating layer 20 and the surface layer 30,

The top of the functional resin composition coating layer 20 prepared in step S3, or the bottom of the surface layer 30 prepared in step S4 is provided with a urethane resin or acrylic resin-based adhesive layer, it may be composed of a manufacturing method;

In addition, a manufacturing method in which the functional resin composition coating layer 20 is generated by coating or applying the functional resin composition prepared in step S1 on both sides of the substrate 10 in step S3;

A sol, not a gravure coating or coating method in a gravure coating machine

It may be composed of a manufacturing method in which sol is coated or applied on both sides of the substrate 10 in a (sol) coater or a sol applicator.

In addition, the substrate 10 of the step S3 is:

Except for glass fiber fabrics in the form of yarn cross, it may be composed of a manufacturing method consisting of a substrate selected from a film, sheet, and laminate of plastic materials including polyethylene terephthalate having semi-incombustible performance;

In addition, the vinyl chloride resin of the functional resin composition of step S31;

It may also be composed of a manufacturing method consisting of a polyethylene terephthalate resin, a polypropylene resin, or one type of resin selected from a polyethylene resin.

Therefore, the 'method of manufacturing a semi-incombustible building membrane structure 100 with improved fire resistance, stain resistance, durability, and weather resistance' of the present invention;

By the manufacturing method of steps S1 to S4:

In particular, the base material 10 composed of glass fiber fabric in the form of yarn cross and the impregnation performance due to the strengthening of the bonding force of the composition of the present invention is maximized on the outside of the base material 10, and the coated or applied functional resin composition coating layer 20 is provided , The low-wicking performance of contaminants is secured without adding a process including a separate water-repellent treatment process to the base material 10, and contaminants that may flow in through the junction and cross section of the architectural membrane structure are blocked, resulting in fouling resistance At the same time as the physical properties are enhanced, the fire resistance of the membrane structure for construction is strengthened to a semi-non-flammable manufacturing method;

A manufacturing method in which durability and weatherability properties including tensile strength, tear strength, and adhesive strength of a membrane structure for construction are further enhanced;

A manufacturing method in which shrinkage due to heat is minimized and dimensional stability properties are improved;

A separate water-repellent treatment process is not added to the base material 10, so workability is further improved, productivity is improved, use is easy, and a manufacturing method that can reduce costs;

A surface layer (30) coated or coated with a fluororesin composition or a fluoroacrylic resin composition, or bonded with a fluorine film or fluoro-acrylic film processed in a film form, provided on the outside of the functional resin composition coating layer (20) of the present invention It is manufactured by:

A manufacturing method provided with a surface layer 30 with further enhanced weather resistance, fouling resistance, and durability properties of the architectural membrane structure 100 of the present invention;

Mesh in the range of 3,500 to 3,800 mm in diameter with 30 to 150 intaglio grooves of 50 to 250 μm deep for adjusting the coating thickness within an area of 1 inch in steps S3 and S4

(MESH) by the coating roll 240, a functional resin composition or a fluororesin composition or a fluororesin composition in which a surface layer is prepared, or a fluororesin-acrylic resin composition that is more easily coated, and a manufacturing method;

In order to prevent uniform coating and roll marks when coating the functional resin composition and the fluororesin composition or the fluoro-acrylic resin composition, a silicon roll is placed on top of the silicon roll 250 on top and bottom of the base material or the functional resin composition coating layer. A manufacturing method in which a stainless press roll, which serves to provide close contact, is installed and used interlockingly, and the coating amount is controlled by a coater knife on the side of the coating roll;

In addition, an oven 260 for gelation of the functional resin composition and fluororesin composition or fluoro-acrylic resin composition of steps S3 and S4;

A plurality of first, second, and third heating zones 261, 262 having different internal temperatures of the oven 260;

263), and the temperature is gradually raised to a temperature of 110 to 150 ° C in multiple stages by the first, second, and third heating zones having different internal temperatures, so that the liquid or sol phase The functional resin composition and the fluororesin composition or the fluororesin composition are volatilized and gelation proceeds smoothly,

As the functional resin composition and the fluororesin composition or the fluoro-acrylic resin composition are evenly dispersed and melted, the functional resin composition and the fluororesin composition or the fluoro-acrylic resin composition are maintained in their inherent properties; It consists of 'method of manufacturing semi-incombustible architectural membrane structure 100 with improved fire resistance, contamination resistance, durability, and weather resistance'.

Hereinafter, an embodiment of the 'semi-incombustible building membrane structure 100 with improved fire resistance, stain resistance, durability, and weather resistance' of the present invention will be described in more detail.

(Example)

It consists of a glass fiber fabric woven in the form of a fabric by combining yarns with a filament diameter of 5㎛, alkali content of 0.7%, SIO2 content of 60%, specific gravity of 2.4, softening point of 850℃, and fiber length of 7500yds per pound. As a step of preparing a functional resin composition on the upper and lower surfaces of the glass fiber fabric as a substrate:

Average particle diameter 1㎛, degree of polymerization 1,500, apparent density 0.35g/cc, 60% by weight of vinyl chloride resin with BF viscosity of 12.5Pa.s, molecular weight 380, specific gravity 0.95, heating loss 0.3% by weight, volume resistivity 2.0 x 10 ¹¹ Ω cm , 30% by weight of diisononyl phthalate plasticizer with absorption rate of 210sec, 4.5% by weight of antimony trioxide mixture, which is a flame retardant with molecular weight 250, specific gravity 3.5, melting point 640℃, molecular weight 300, density 1.2, flash point 250℃, phosphate-based flame retardant with loss on drying 0.3 100 parts by weight of a functional resin composition of 3.5% by weight of a plasticizer, 1.5% by weight of a calcium-zinc (Ca-Zn) stabilizer with a specific gravity of 1.2 and a refractive index of 1.5, 0.5% by weight of a phosphate ester-based wetting and dispersing agent with a specific gravity of 1.1 and an acid value of ca.100 mg / g :

A mixture of 1.0 parts by weight of bis-2,2,6,6-tetramethyl-4-piperidyl sebacate sunscreen, 1.5 parts by weight of amine antioxidant, 0.5 part by weight of carbon black colorant, and 10 parts by weight of urethane-based adhesive has a viscosity of 2,700cps. After preparing a functional resin composition,

The functional resin composition was sol-coated on both sides of the substrate in a sol coater to create a functional resin composition coating layer;

12% by weight of a fluorine-acrylic resin with a molecular weight of 17,500, a melting point of -38℃, a boiling point of 190℃, and a viscosity of 140cps, 56% by weight of methyl ethyl ketone as a solvent, and 32% by weight of propylene glycol methyl ether in a bath on the bottom of the gravure coating machine coating roll After mixing and loading a certain amount of the prepared fluoro-acrylic resin composition in a stirrer;

70 intaglio grooves with a depth of 120㎛ are engraved within 1 inch, and a 2 inch diameter 1600mm aluminum spiral rotating rod is installed in the center, a 3630mm diameter MESH coating roll, a 275mm diameter stainless press roll, and a 210mm diameter silicon Using a roll, the coating roll at a rotational speed of 9 rpm / min is rotated to load the fluorine-acrylic resin composition into the concave groove,

When the substrate on which the functional resin composition coating layer is formed passes between the coating roll and the silicon roll, a pressure of 3 kgf / cm 2 is applied to coat the upper surface of the functional resin composition coating layer with a fluoro-acrylic resin composition,

In the same way as above, the fluoro-acrylic resin composition is coated on the lower surface of the functional resin composition coating layer, and gelation is performed in an oven with a drying time of 1 minute in the first, second, and third heating zones in the range of 110 to 150 ° C. to create a surface layer coated with a fluoro-acrylic resin composition on top and bottom of the functional resin composition coating layer;

A membrane structure for construction of the present invention having a total thickness including the base material of 0.75 mm was manufactured.

(Comparative Example 1)

A vinyl chloride resin mixture composed of 35 parts by weight of vinyl chloride resin, 30 parts by weight of plasticizer, 34 parts by weight of additives including fillers, and 1.0 parts by weight of stabilizer was added to glass fiber fabric as a base material, the same method as the manufacturing method of the functional resin composition coating layer of the embodiment sol coating on the top and bottom of the substrate to create a vinyl chloride resin mixture coating layer, and to create a surface layer on top and bottom of the vinyl chloride resin mixture coating layer in the same manner as in the manufacturing method of the surface layer of the embodiment, with a total thickness of 0.80 mm A membrane structure for construction was manufactured.

(Comparative Example 2)

A polyvinyl chloride resin mixture composed of 35 parts by weight of vinyl chloride resin, 30 parts by weight of plasticizer, 34 parts by weight of additives including fillers, and 1.0 parts by weight of stabilizer on a water-repellent treated PET fabric as a base material, Method for producing a functional resin composition coating layer of Example In the same way, the top and bottom of the substrate are sol-coated to create a vinyl chloride resin mixture coating layer, and the surface layer is created on the top and bottom of the vinyl chloride resin mixture coating layer in the same way as the manufacturing method of the surface layer of the embodiment, and the total thickness is 0.90 mm. of A membrane structure for construction was manufactured.

- Test method and comparative results

go. Fire resistance:

Test method: In order to check the fire resistance performance, the flame retardant performance of building finishing materials and fire spread prevention structure standards [Ministry of Land, Infrastructure and Transport Notice No. 2020-263] test method for semi-noncombustible materials phosphorus heat release rate (KS F ISO 5660-1) and gas Harmfulness (KS F 2271) tests were conducted.

Test Items standard Example Comparative Example 1 Comparative Example 2 Heat
emission rate Total heat released (MJ/㎡) Less than 8 MJ/㎡ 5.3 10.2 12.3 The maximum heat release rate is continuously
Time exceeding 200kW/㎡ (S) 10 S or less 0 0 0 Generation of cracks, holes, and melts that are harmful to fire protection penetrating the specimen doesn't exist doesn't exist doesn't exist has exist gas
harmfulness Mean behavioral cessation time of laboratory rats (min) more than 9 min 12 10 6

As shown in Tables 1 and 4 and 5 ( certified institution FITI Test Research Institute test report sample No. 1 according to Ministry of Land, Infrastructure and Transport Notice No. 2020-263 semi-incombustible material standard of semi-incombustible building membrane structure of the present invention), functional resin of the present invention The embodiment in which the functional resin composition coating layer was provided on the outside of the substrate as a composition was confirmed to be suitable for the standards of semi-noncombustible materials of the Ministry of Land, Infrastructure and Transport Notice No. 2020-263, and it was found that the fire resistance performance was excellent.

However, in Comparative Examples 1 and 2, the total heat released was 10.2 MJ/m2 for Comparative Example 1 and 12.3 MJ/m2 for Comparative Example 2, which did not meet the standards for semi-noncombustible materials.

In particular, Comparative Example 2 was found to further fail to meet the criteria for a semi-incombustible material, as cracks and melting of the test body were generated, and the average stopping time of the experimental rats was 6 min.

me. Low-wicking performance:

Test method: In order to confirm the low-wicking performance, the test was conducted by applying method B (Byrek method) among KS K 0642 8.26 test methods for woven and knitted fabrics. In this test method, the height (mm) at which water rises due to capillarity after 10 min is measured, but the height (mm) at which water rises due to capillarity after 24 hr is measured in order to confirm the discrimination between samples.

division Example Comparative Example 1 Comparative Example 2 height (mm) 5 64 4

As shown in Table 2, the example in which the functional composition of the present invention is coated on the outside of the substrate has a height of 5 mm at which water rises due to capillarity compared to Comparative Examples 1 and 2, and it is confirmed that the height is further reduced, resulting in low-wicking performance. This proved to be excellent;

Compared to the water rising height of 4 mm in Comparative Example 2 in which a separate water-repellent treatment process was added to the substrate, the embodiment of the present invention is similar to the product in which a separate water-repellent treatment was applied to the substrate without the addition of a separate water-repellent treatment process It has been found to have a level of low-wicking performance.

In addition, Comparative Example 1, in which the substrate was not water-repellent, had a height of 64 mm at which water rose due to a capillary phenomenon, and it was found that there was a problem in use.

all. Weatherability:

Test method: Using ASTM D 4434 to measure the deterioration of the product, take the specimen out of the Q-lab QUV TEST machine after the corresponding time and use Hunter's Ultra Scanpro spectrophotometer, a machine to measure the dichroic phenomenon. (ΔE (color difference value); the larger the value, the greater the dichromatic phenomenon from the beginning)

division Example Comparative Example 1 Comparative Example 2 500hrs 2.59 2.79 2.99 1000hrs 3.25 3.59 3.28 1500hrs 3.51 3.65 3.38 2000hrs 3.87 4.12 4.23

As shown in Table 3, the examples in which the functional resin composition and the fluoro-acrylic resin composition of the present invention were coated on the outside of the substrate were superior to Comparative Examples 1 and 2 because they did not discolor for a long time, and by maximizing impregnation performance It was found that the weather resistance did not deteriorate, and rather, the weather resistance properties were more excellent.

la. durability:

- Tensile strength and elongation

According to the DIN 53354 method, 5 cm x 20 cm cut strip specimens were taken for each warp and weft, and measured at a speed of 100 mm/min using UTM/UTM (Universal Testing Machine). It is listed in Table 4.

- Tear strength

After cutting into 5cm x 12cm by the method of DIN 53363, cut the center of 5cm vertically by 2.5cm, take 5 warp and weft samples each, and use UTM/UTM (Universal Testing Machine) to test 100 mm/min. It was measured at a rate of, and the physical property results are shown in Table 4.

- Adhesion strength

Specimens with a width of 5 cm, which were bonded on both sides by the DIN53357 method, were sampled by taking 5 each of warp and weft, and peeling at least 5 cm at a speed of 100 mm/min using a UTM/UTM (Universal Testing Machine) and measured. The values are listed in Table 4.

Item Example Comparative Example 1 Comparative Example 2 Tensile strength (Kgf/㎠) 650 515 600 Elongation (%) 9 8 25 Tear Strength Trapezoid (Kgf/㎠) 65 30 60 Adhesion Strength (Kgf/㎠) 12 8 5

As shown in Table 4, although the low-wicking performance and semi-incombustible performance of the examples of the present invention were secured, the tensile strength, tear strength, and adhesive strength properties were significantly superior to those of Comparative Examples 1 and 2, and impregnation performance into the substrate Even when this is maximized, it is found that no degradation of durability properties occurs at all.

Therefore, as published in the test report of the FITI Testing & Research Institute, an accredited institution based on the comparative results of Tables 1 to 4 and the standards of Ministry of Land, Infrastructure and Transport Notice No. 2020-263 semi-noncombustible materials in FIGS. 4 and 5,

The functional resin composition of the present invention and the fluororesin composition or the fluororesin composition or the fluoro-acrylic resin composition are coated on both sides of a base material, and the functional resin composition coating layer and surface layer are provided, and the composition and manufacturing method;

Compared to Comparative Examples 1 and 2 of the prior art:

In particular, a base material composed of glass fiber fabric in the form of yarn cross and a functional resin composition coating layer coated or applied on both sides of the base material with a functional resin composition with maximized impregnation performance is provided, and a separate water repellent treatment process is added to the base material. Fouling resistance and fire resistance are further enhanced by low-wicking performance of contaminants;

The total thickness of the product including the base material is 0.75 mm, even though the thickness is 0.05 to 0.15 mm thinner than that of Comparative Examples 1 and 2 (Comparative Example 1 product thickness: 0.8 mm, Comparative Example 2 product thickness: 0.9 mm) In addition, durability properties and weather resistance properties including tensile strength, tear strength, and adhesive strength of the architectural membrane structure are further enhanced, and shrinkage caused by heat is minimized due to the strengthened tear strength, and dimensional stability properties are further improved;

As in Comparative Example 2, no additional process including a separate water-repellent treatment process is required for the base material, so workability is improved, productivity is improved, ease of use, and cost reduction is possible; It consists of a functional resin composition coating layer;

In addition, the fluororesin composition or fluoro-acrylic resin composition provided on the outside of the functional resin composition coating layer of the present invention is coated or applied, or a fluorine film or fluoro-acrylic film processed in a film form is bonded to the surface layer consisting of:

It was found that the durability, weather resistance and fouling resistance properties of the constructional membrane structure of the present invention are composed of a surface layer with further enhanced properties.

In the above, the present invention has been described in detail through specific embodiments, but the present invention is not limited to the above embodiments, and various modifications are possible by those skilled in the art within the scope of the technical idea of the present invention.

100: Membrane structure for construction of the present invention ('a semi-incombustible construction membrane structure with improved fire resistance, contamination resistance, durability, and weather resistance')
10: registration
20: functional resin composition coating layer
30: surface layer
210: winder
211, 212: first and second winders
220: heating roll
230: bath
240: coating roll
250: silicon roll
260: oven
261,262,263: 1st, 2nd, 3rd zone (ZONE)
270: rolling roll
280: cooling roll

Claims (7)

Yarn with a filament diameter of 3 to 7㎛, an alkali content of 0.01 to 0.8%, a SIO2 content of 50 to 70%, a specific gravity of 2 to 3, a softening point of 700 to 850 ℃, and a fiber length per pound of 7,500 to 10,000 yds Coating or application on the outside of the base material 10 composed of glass fiber fabric woven in the form of a fabric by plying a plurality of fibers constituting one yarn, and the functional resin composition coating layer 20 coated or applied on both sides of the base material 10 A semi-incombustible construction membrane structure composed of a surface layer 30 composed of fluororesin or fluoro-acrylic resin having a molecular weight of 10,000 to 40,000, a melting point of -40 to -30 ° C, a boiling point of 180 to 200 ° C, and a viscosity of 50 to 250 cps. In a membrane structure for construction, which is equipped with performance and low-wicking performance of contaminants;

The functional resin composition coating layer 20;

Based on 100% by weight of the functional resin composition,
25 to 67% by weight of vinyl chloride resin having an average particle diameter of 0.1 to 2.0 μm, a degree of polymerization of 1,000 to 1,700, an apparent density of 0.15 to 0.5 g/cc, and a BF viscosity of 5 to 15 Pa.s: molecular weight of 350 to 450, specific gravity of 0.9 to 1.0, heat loss 0.1 to 0.4% by weight, volume resistivity of 2.0 x 10 ¹¹ Ω cm to 5.0 x 10 ¹¹ Ω cm, 30 to 60% by weight of a diisononyl phthalate plasticizer having a water absorption rate of 150 to 230 sec: molecular weight 250 to 300, specific gravity 3 to 6, 1 to 7% by weight of a flame retardant antimony trioxide mixture with a melting point of 600 to 700 ° C: 1 to 5% by weight of a phosphate-based flame retardant plasticizer having a molecular weight of 300 to 400, a density of 1 to 1.5, a flash point of 200 to 250 ° C, and a loss on drying of 0.1 to 0.3: specific gravity 0.9 0.5 to 2% by weight of a calcium-zinc stabilizer or barium-zinc stabilizer having a refractive index of 1 to 1.5 and a refractive index of 1 to 2: 0.5 to 1% by weight of a phosphoric acid ester-based wetting and dispersing agent having a specific gravity of 0.9 to 1.3 and an acid value of ca.80 to ca.120 mg/g : Mixed viscosity in the range of 200 to 3,000cps A semi-incombustible construction membrane structure (100) with improved fire resistance, stain resistance, durability, and weather resistance, characterized in that the functional resin composition is coated or applied on the outside of the substrate (10). delete delete delete delete delete delete

Images