TW202118845A - An environmental friendly and waterproof hot melt adhesive film material and production method thereof - Google Patents

Abstract

Present invention is related to an environmental friendly and waterproof hot melt adhesive composition, film material and production method thereof. The said hot melt adhesive composition does not contain asphalt and organic solvent which has advantage of environmental protection. When the factories produce products by using the hot melt adhesive composition of the present invention, no volatile substances or bad smell will be released. It is very friendly and safe to the factory workers and the environment. A hot melt adhesive film produced by the hot melt adhesive composition of the present invention is not only easy to produce, but also has excellent waterproof, weather resistance and self-adhesive properties. The hot melt adhesive film is easy to process and apply, especially to construction site. The quality of the present invention is excellent and the price is reasonable.

Description

Environmental protection waterproof hot melt adhesive formula and its film and production process

The invention relates to a hot-melt adhesive formula and its film and production process, in particular to an environmentally-friendly and waterproof hot-melt adhesive formula and the production process of the film.

Waterproofing works are very important for buildings. If the construction is improper or the quality of waterproof materials is not good, the building may leak or seep due to rain, which will affect the quality of living. At present, common waterproof coatings, waterproof bricks or waterproof membranes are widely used waterproof materials in modern high-tech buildings. They are not only used in general residential buildings, but also commonly used in high-end villas or public projects.

Said waterproof materials are often added with bituminous components, because bitumen has excellent waterproof, heat-insulating and heat-preserving properties, and is low in price and corrosion resistant. It is one of the first-choice materials for many construction projects. However, behind these benefits, There are potential environmental pollution problems, as well as the environmental and health damage that asphalt will bring to manufacturers and workers during the manufacturing process.

Therefore, in order to overcome the above-mentioned shortcomings of the existing asphalt-containing waterproof materials, designing an environmentally-friendly waterproof hot-melt adhesive formula and its membrane and production process is the problem to be solved by the invention.

In view of the problem that existing waterproof materials containing bituminous components may cause environmental pollution, the purpose of the present invention is to provide an environmentally-friendly and waterproof hot-melt adhesive formula and its film production process. The formula not only does not contain bitumen components, but also has waterproof and after-proof performance. It is equivalent to existing waterproof materials, safe and environmentally friendly, and has very good practical and use value.

The primary technical solution adopted by the present invention to solve the technical problem includes: an environmentally friendly waterproof hot-melt adhesive formula, the raw materials include: thermoplastic elastomer 10-40wt%; tackifying resin 20-60wt%; softening oil below 30wt%; and The filler is less than 10wt%.

Further, the thermoplastic elastomer includes synthetic rubber, polyolefin-based colloid; and the tackifying resin includes petroleum resin, rosin resin, and derivatives of the foregoing two.

Further, the softening oil includes white wax oil, mineral oil or butyl oil; and the filler includes an inorganic filler, and the inorganic filler includes calcium carbonate, coloring agent, carbon powder, tire powder or flame retardant powder.

Next, the primary technical solution adopted by the present invention to solve the technical problem includes: an environmentally-friendly waterproof hot-melt adhesive film sheet, which includes: a face material, a first environmentally-friendly waterproof hot-melt adhesive layer, and a fiber laminated in sequence And a second environment-friendly waterproof hot-melt adhesive layer, wherein: the first environment-friendly waterproof hot-melt adhesive layer and the second environment-friendly waterproof hot-melt adhesive layer are partially penetrated or impregnated between the fibers of the fiber layer.

Further, the fabric includes stone, sand, plastic, wood, metal, foam material, or a single or composite fabric with heat insulation, fire resistance, noise resistance or anti-slip;

Further, the fiber layer includes woven fabric or non-woven fabric, and is made of plastic, glass, graphite fiber, or metal fiber.

Finally, the final technical solution adopted by the present invention to solve the technical problem includes: a production process of an environmentally friendly waterproof hot-melt adhesive film sheet, the steps of which include:

Step 1: Heat and stir an environmentally friendly waterproof hot melt adhesive to make it appear a molten fluid state, where: the environmentally friendly waterproof hot melt adhesive contains 10-40wt% of thermoplastic elastomer, 20-60wt% of tackifying resin, and 30wt% of softening oil Or less; and filler 10wt% or less;

Step 2: Filter the environmentally friendly waterproof hot melt adhesive and transport it to an impregnation tank;

Step 3: Continuously input a fiber layer into the impregnation tank and immerse it in the molten environmentally friendly waterproof hot melt adhesive; and

Step 4: Cool the fiber layer impregnated with environmentally friendly waterproof hot melt adhesive to obtain the environmentally friendly waterproof hot melt adhesive film sheet.

Further, the environmentally friendly waterproof hot melt adhesive film sheet obtained in step 4 is attached with a face material and/or a release layer, and the face material and the release layer are of the same material or different materials.

Further, the obtained environmentally-friendly waterproof hot-melt adhesive film sheet is rolled up and packaged into storage.

The beneficial effects that can be achieved by the technical solutions provided by the present invention are as follows:

1. The environment-friendly waterproof hot-melt adhesive formula of the present invention does not contain asphalt components or organic solvents, which has the advantages of environmental protection, and the manufacturer will not produce volatile substances or pungent or unpleasant smells during the manufacturing process. The smell is very friendly to the factory workers and the environment.

2. The waterproof hot-melt adhesive film sheet provided by the present invention is not only easy to produce, but also uses the manufacturer’s existing impregnation equipment and can be produced without the need to add other expensive equipment or introduce special technologies; and the test of the present invention The waterproof hot-melt adhesive film sheet has excellent waterproof, weather-resistant and self-adhesive properties, is easy to process, and has excellent product quality and reasonable price. It does have good practical and economic value.

The present invention is an environmentally friendly waterproof hot melt adhesive formula, and the raw materials include the following: Thermoplastic elastomer 10~40wt%; Tackifying resin 20~60wt%; 30wt% or less of softening oil; and The filler is less than 10wt%.

Among them, in the formulation materials of the present invention, thermoplastic elastomers are materials that mainly provide waterproof and self-adhesive functions. Specific thermoplastic elastomers can be synthetic rubbers (SIS, SBS, SEBS, SEPS), polyolefin colloids (APAO, PO); Tackifying resin is mainly used to control the overall viscosity of the colloid (Viscosity). The specific material can be petroleum resin, rosin resin and derivatives of the foregoing two.

Furthermore, the described softening oil function can also be used to adjust the overall viscosity of the colloid, such as white wax oil, mineral oil or butyl oil; the filler can not only provide rigidity and strength of the material, but also save the cost of raw materials. Specifically, it can be an inorganic filler, including Calcium carbonate, coloring agent, carbon powder, tire powder, flame retardant.

An environmentally-friendly waterproof hot-melt adhesive can be prepared by using the above-mentioned environmentally-friendly waterproof hot-melt adhesive formula. The method steps include:

Step 1: First heat and stir the softened oil and part of the tackifying resin to a molten state;

Step 2: After adding the thermoplastic elastomer, continue to heat and stir to melt; and

Step 3: Add the filler and the remaining tackifying resin and continue heating and stirring until it is completely melted and dispersed homogeneously to obtain the environmentally friendly waterproof hot melt adhesive.

Next, please refer to FIG. 1, an environmentally-friendly waterproof hot-melt adhesive film sheet 10 prepared by using the environmentally-friendly waterproof hot-melt adhesive formula of the present invention includes: a face material 11 stacked in sequence, a first environmentally-friendly waterproof thermal The melt adhesive layer 13, a fiber layer 15, and a second environment-friendly waterproof hot-melt adhesive layer 17, wherein: the first environment-friendly waterproof hot-melt adhesive layer 13 and the second environment-friendly waterproof hot-melt adhesive layer 17 are partially infiltrated or impregnated in the The fiber layer 15 between the fibers.

Among them, the aforementioned surface material 11 is a common surface material for building materials, which can be matched according to the appearance of the building or additional performance requirements. For example, it can be a pattern that provides an appearance texture or a stone, sand, plastic, or wood of different colors. , Metal, foam material, it can also be a single or composite fabric that provides effective heat insulation, fire resistance, anti-noise or anti-slip. The aforementioned fiber layer 15 can be a woven fabric or a non-woven fabric, which is made of plastic, glass, graphite or metal fibers.

The first environmental protection waterproof hot melt adhesive layer 13 and the second environmental protection waterproof hot melt adhesive layer 17 in the environmental protection waterproof hot melt adhesive film sheet 10 have self-adhesive characteristics, so the face material 11 can be directly attached to the The surface of the first environmentally friendly waterproof hot melt adhesive layer 13, and the second environmentally friendly waterproof hot melt adhesive layer 17 is further attached to a release layer 19 after the production is completed, which is conducive to not sticking to each other during storage and transportation. .

Finally, please refer to Figure 2. The present invention provides a manufacturing method for the environmentally friendly waterproof hot-melt adhesive film sheet in comparison with the described environmentally-friendly waterproof hot-melt adhesive film sheet. The steps include: Step 1: Heat and stir the environmentally friendly waterproof hot melt adhesive evenly to make it appear a molten fluid state. The heating temperature is preferably between 110~200°C, the stirring time is 60~360 minutes, and the stirring speed is between 10~60rpm; Step 2: Filter the environmentally friendly waterproof hot melt adhesive and transport it to an impregnation tank; Step 3: Continuously input the fiber layer into the impregnation tank and immerse it in the molten environmental protection waterproof hot melt adhesive; Step 4: Cool down the fiber layer impregnated with environmentally friendly waterproof hot melt adhesive; Step 5: Attach the surface material and/or release layer; Step 6: Roll up and pack into storage.

The foregoing steps 1 to 6 are only all the production steps in the actual production of the present invention. However, the steps of obtaining the fiber layer impregnated with environmentally friendly waterproof hot melt adhesive from steps 1 to 4 can be regarded as the scope of the present invention. Steps 5 and 6 The above-mentioned steps of attaching surface material, release layer, and rewinding and packaging storage are only implementation choices, not necessarily necessary processes.

Further, in order to verify the exact effectiveness of the present invention, the technical solutions of the present invention are further explained in combination with the following specific examples. However, it should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the claims of the present invention. . In addition, it should be understood that after reading the technical solutions provided by the present invention, those skilled in the art can make various equivalent changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims of the present invention. .

The present invention provides three implementation examples in Table 1 below, and provides related performance test data of each embodiment as shown in Table 2 below.

Table 1. Example 1 Example 2 Example 3 Thermoplastic elastomer 25 wt% 35 wt% 10 wt% Tackifying resin 50 wt% 40 wt% 60 wt% Softened oil 20 wt% 15 wt% 20 wt% filler 5 wt% 10 wt% 10 wt%

Table 2. Pilot projects experiment method Requirements standard Test value Water vapor permeability (g/m ² /24 hours) (The test piece includes the seam) ASTM E96-05 Prccedure B Max 0.4 Example 1 0.18 Example 2 0.015 Example 3 0.095 Water pressure resistance (70 meters water head) (The test piece includes the seam) ASTM D5385-93(2006) No leakage Example 1 No leakage Example 2 No leakage Example 3 No leakage Concrete bonding strength (kgf/cm) a. 49℃ dry for 7 days b. 23℃ water for 7 days As Note 1 a. Minimum 1.5 b. Minimum 1.5 Example 1 a. 3.41 b.2.43 Example 2 a. 1.93 b. 1.74 Example 3 a. 1.68 b. 1.61 Peeling properties (kgf/25mm width) (7 days/21℃ drying+7 days/49℃ drying+7 days/21℃ drying) As Note 2 below Not less than 2.3 Example 1 10.8 Example 2 7.01 Example 3 5.6 Peeling properties (kgf/25mm width) (7 days/21℃ dry+7 days/49℃ dry+7 days/21℃ humid) As Note 2 below Not less than 2.3 Example 1 12.3 Example 2 11.1 Example 3 4.8 Resistance to acid and alkali solutions-salt water/quality change rate (%) Brine: 35g of sodium chloride is dissolved in 1L of water. The quality of the test piece after immersion is reduced within 0.5% compared with the value of the untreated test piece. Example 1 0.1 0.09 Example 2 0.17 Lye: 5g sodium hydroxide and 5g potassium hydroxide are dissolved in 1L of water. 0.26 Example 3 0.16 0.22

Note 1: CNS 3557K6348 (3 groups in each), the size of the test phantom for concrete bonding strength is 5.0cm*5.0cm*15.0cm, and the lower mold surface is a waterproof membrane (placed on the work table); cement with the design strength ratio Mortar (weight ratio of cement/sand is 1/3, water-cement ratio is 0.45), injected into the mold in two layers; immediately after injection molding, apply 0.2kgf/cm ² pressure on the slurry and release it after 4 hours Pressure; then cured for 7 days in an environment with a relative humidity of 95% (not immersed in water). Cut the 2.5cm*12.0cm waterproof membrane area in the middle to the test specimens (6) of cementation strength, of which 3 specimens are placed in a dry state at 49°C for 7 days, and the other 3 specimens are placed in water at 23±2°C for 7 days ; Then put it in the air at 23±2℃ for 4 hours, then peel off the waterproof membrane at a rate of 50mm/min and an angle of 90°.

Note 2: After coating the cement with hollow bricks, pave the waterproof membrane and then roll. After the samples were stored for 7 days, the waterproof membrane was peeled off at a 90° angle at a rate of 50 mm/min.

The foregoing descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of rights claimed by the present invention. All other equivalent changes or modifications completed without departing from the spirit disclosed by the present invention should be included in the present invention. Within the scope of the claims.

10: Environmental protection waterproof hot melt adhesive film sheet 11: Surface material 13: The first environmental protection waterproof hot melt adhesive layer 15: Fiber layer 17: The second environmentally friendly waterproof hot melt adhesive layer 19: Release layer

Figure 1 is a schematic diagram of the environmentally friendly waterproof hot melt adhesive film sheet of the present invention. Fig. 2 is a flow chart of the manufacturing method of the environmentally-friendly waterproof hot-melt adhesive film sheet according to the present invention.

10: Environmental protection waterproof hot melt adhesive film sheet

11: Surface material

13: The first environmental protection waterproof hot melt adhesive layer

15: Fiber layer

17: The second environmentally friendly waterproof hot melt adhesive layer

19: Release layer

Claims (8)

An environmentally friendly waterproof hot melt adhesive formula, which includes: Thermoplastic elastomer 10~40wt%; Tackifying resin 20~60wt%; 30wt% or less of softening oil; and The filler is less than 10wt%. According to the environmental protection waterproof hot melt adhesive formulation described in item 1 of the scope of patent application, the thermoplastic elastomer includes synthetic rubber, polyolefin colloid; and the tackifying resin includes petroleum resin, rosin resin, and derivatives of the foregoing two. According to the environmental protection waterproof hot-melt adhesive formula described in item 2 of the scope of patent application, the softening oil contains white wax oil, mineral oil or butyl oil; and the filler contains inorganic fillers, and the inorganic filler contains calcium carbonate, coloring agent, and carbon powder. , Tire powder or flame retardant powder. An environmentally-friendly waterproof hot-melt adhesive film sheet, comprising: a face material, a first environmentally-friendly waterproof hot-melt adhesive layer, a fiber layer, and a second environmentally-friendly waterproof hot-melt adhesive layer stacked in sequence, wherein: the first environmentally friendly The waterproof hot-melt adhesive layer and the second environmentally-friendly waterproof hot-melt adhesive layer partially penetrate or impregnate between the fibers of the fiber layer. The environmental protection waterproof hot melt adhesive film sheet as described in item 4 of the scope of patent application, in which: The fabric includes stone, sand, plastic, wood, metal, foam material, or a single or composite fabric with heat insulation, fire resistance, noise resistance or anti-slip; and The fiber layer includes woven fabric or non-woven fabric made of plastic or glass, graphite fiber or metal fiber. A production process of an environmentally-friendly waterproof hot-melt adhesive film sheet, which steps include: Step 1: Heat and stir an environmentally friendly waterproof hot melt adhesive to make it appear a molten fluid state, where: the environmentally friendly waterproof hot melt adhesive contains 10-40wt% of thermoplastic elastomer, 20-60wt% of tackifying resin, and 30wt% of softening oil Or less; and filler 10wt% or less; Step 2: Filter the environmentally friendly waterproof hot melt adhesive and transport it to an impregnation tank; Step 3: Continuously input a fiber layer into the impregnation tank and immerse it in the molten environmentally friendly waterproof hot melt adhesive; and Step 4: Cool the fiber layer impregnated with environmentally friendly waterproof hot melt adhesive to obtain the environmentally friendly waterproof hot melt adhesive film sheet. The production process of the environmental protection waterproof hot melt adhesive film sheet as described in item 6 of the scope of patent application, wherein: the environmental protection waterproof hot melt adhesive film sheet obtained in step 4 is further attached to a face material and/or a release Layer, the surface material and the release layer are of the same material or different materials. The environmental protection waterproof hot melt adhesive film sheet as described in item 6 of the scope of patent application, wherein: the obtained environmental protection waterproof hot melt adhesive film sheet is further rolled up and packaged into storage.

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