WO2018194528A1 - Production de matériau composite à l'aide d'une mousse de polyuréthane souple recyclée physiquement et revêtement de polyurée applicable par pulvérisation - Google Patents

Production de matériau composite à l'aide d'une mousse de polyuréthane souple recyclée physiquement et revêtement de polyurée applicable par pulvérisation Download PDF

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Publication number
WO2018194528A1
WO2018194528A1 PCT/TR2017/050403 TR2017050403W WO2018194528A1 WO 2018194528 A1 WO2018194528 A1 WO 2018194528A1 TR 2017050403 W TR2017050403 W TR 2017050403W WO 2018194528 A1 WO2018194528 A1 WO 2018194528A1
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Prior art keywords
bondex
polyurea coating
hours
mdi
reaction
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PCT/TR2017/050403
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English (en)
Inventor
Gülden EROĞLU
Emir TEMİZKAN
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Safaş, Saf Plasti̇k San. Ti̇c. A.Ş.
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Application filed by Safaş, Saf Plasti̇k San. Ti̇c. A.Ş. filed Critical Safaş, Saf Plasti̇k San. Ti̇c. A.Ş.
Publication of WO2018194528A1 publication Critical patent/WO2018194528A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/33—Agglomerating foam fragments, e.g. waste foam
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/365—Coating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • C08J9/42—Impregnation with macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/06—Flexible foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/02—Polyureas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes

Definitions

  • the present invention relates to a waterproof, anti-bacterial, impact resistant, high tear and tensile strength, abrasion resistant, chemical resistant and compatible with outdoor conditions composite material which is bondex (2) (physically recycled flexible polyurethane foam) coated with spray polyurea coating (1) to be used as a preventive flooring material to reduce and avoid damages occurred during falls and slips.
  • bondex (2) physically recycled flexible polyurethane foam
  • a wide variety of materials are used as flooring material. These are; recycled rubber, virgin rubber, EPDM (ethylene propylene diene monomer) flooring, cork flooring, EVA foam, laminate floorings, wooden mat, PVC closed cell foam, nitrile rubber, polypropylene, PVC tubing, fiber mat (like grass, coconut, cane, rushes), fabric or cotton mat, sponge rubber, fabric reinforced neoprene, patterned concrete with grooved asphalt, PVC flooring mat, weaved ratten mat, polyvinyl mat and composite materials obtained by combinations of them.
  • recycled rubber virgin rubber
  • EPDM ethylene propylene diene monomer
  • cork flooring cork flooring
  • EVA foam laminate floorings
  • wooden mat wood mat
  • PVC closed cell foam nitrile rubber
  • polypropylene PVC tubing
  • fiber mat like grass, coconut, cane, rushes
  • fabric or cotton mat nitrile rubber
  • sponge rubber fabric reinforced neoprene
  • patterned concrete with grooved asphalt PVC flooring
  • Patents 2016/19143, 2011/08809, 2010/06408 and 2007/09142 are examples of the invention about rubber floor coverings.
  • Recycled rubber is preferred so that the material used is not very costly.
  • Recycled rubber is formed by splitting the used rubber into small pieces and then connecting these small pieces with a binder. The rubber mixed with the binder is shaped in a mold at a certain temperature.
  • This material from the production method is not very waterproof but also has no anti-bacterial properties at the same time. For this reason, instead of using recycled rubber as flooring material, it is planned to use composite material obtained by applying polyurea coating (1) spray on bondex (2) to be both waterproof and hygienic product.
  • the antimicrobial properties of the composite materials were obtained using antimicrobial agents, silver and antibacterial zeolite, but in our invention the antimicrobial properties of the composite material are coming from polyurea.
  • the resultant product obtained from this patent does not have the enough durability for use in external conditions.
  • the polyurea covered on the flexible polyurethane foam is a very thin layer which has been used instead of the textile material, thus facilitating the cleaning of the final product.
  • the location and physical properties of the final product obtained in this patent are very different from those used in our invention.
  • Our invention is a composite material which is made of polyurea coating (1) on bondex (2) has high tearing and tensile strength, high wear resistance, high chemical resistance, waterproof, compatible with external conditions, antibacterial and easily cleanable composite material.
  • the preventive external flooring materials is used to prevent damages caused by the impact in future accidents by means of creating a soft ground during ground use.
  • floorings is used in the areas such children's playgrounds, amusement parks, school gardens, kindergartens, universities, museums, public and military establishments, fitness centers, sports fields, stadiums, athletics tracks, hiking and cycling trails, recreational areas, ski resorts Garages, parking lots, garage entrance, apartment entrance, hospitals, peace houses (especially ramps), golf clubs, paddock grounds, harbors, zoo gardens, stables, animal shelters, fattening farms, pools, rehabilitation centers, rooms for the disabled, shooting ranges, industrial facilities, commercial establishments, offices, retail and transport facilities.
  • the object of the present invention is to produce an anti-damage exterior flooring material that is waterproof, chemically resistant, impact-resistant and antibacterial at a lower cost.
  • Recycled rubber is preferred so that normally used material is not very costly, but this material is not very waterproof and at the same time does not have an anti-bacterial property.
  • flooring material instead of using recycled rubber, it is planned to use composite material which is obtained by applying polyurea coating (1) spray on bondex (2) which is both a better waterproof and hygienic product.
  • polyurea coating (1) spray on bondex (2) which is both a better waterproof and hygienic product.
  • spray polyurea coating (1) which is becoming widespread nowadays. Due to its waterproof and antibacterial property, it is generally used for coating inside of the pools and inner surface of the water tanks.
  • polyurea coating (1) in the defense industry because of its high hardness and elasticity.
  • the bondexes (2) are cut in the direction of the desired scale and either the final product is formed by covering every part (bottom-top and edges) with sprayed polyurea material (1) (fig. 1) or standard bondexes (2) (fig. 2) or interlocking bondexes (2) (fig. 3) should be put at the place of use and only top layer is coated with polyurea material (1).
  • the cost of resultant composite material is low because of the reuse of the scrap material.
  • the high density of the bondex (2) prevents the collapse of the resultant composite material.
  • the polyurea coating (1) spray ensures that the composite material to be obtained is waterproof, chemical resistant, resistant to impact, high tear and tensile strength, abrasion resistant and antibacterial.
  • the composite material consists of bondex (flexible recycled polyurethane foam) (2) at high density (200- 300 kg/m3) that is produced by granulating the flexible polyurethane wastes into small pieces and mixing with the binder and polyurea (1) coated with spray application on to the resultant bondex (2).
  • the composite material cost is low due to the use of bondex (2).
  • Polyurea coating (1) is applied to blocks of average 1-20 cm, preferably 2-10 cm, preferably 3-7 cm, in the range of 0.5-20 mm, preferably 1-10 mm. Although the polyurea coating (1) is costly, most parts of the composites are made of bondex (2), which reduces the cost of the composite material.
  • the applied spray polyurea coating (1) on the surface ensures that the material obtained is robust, durable, flexible, waterproof, chemical resistant and antibacterial.
  • the flexible polyurethane foam is produced in large blocks and is then brought to the desired dimensions according to customer requests. After production, the bottom, top and side sections of the blocks are separated as waste. In addition to this, products that are left out of cutting processes in certain sizes for customer need are also divided as waste. These wastes are separated into small pieces by means of granulator. These parts called clippings are being removed from the market at much lower prices. This invention provides a value-added green product to the market.
  • the binder to be used in making the bondex (2) can be formed by bringing together materials such as polyol, isocyanate, amine, tin, oil, water. Besides, pre-polymer obtained by reaction of isocyanate and polyol can be used as binder. Depending on the shelf life of the pre-polymer that is obtained by using only polyol and isocyanate. Control of the reaction of isocyanate and polyol becomes more difficult as the temperature increases.
  • the reaction temperature and time for a controlled reaction should be at 50-100 ° C and 1-7 hours, most preferably 70-90 ° C and 3-5 hours, respectively. To avoid side reactions during the reaction and to prevent isocyanate from being affected by the humidity of the air, the synthesis must be performed under nitrogen atmosphere.
  • tin catalyst may be used during pre-polymer synthesis.
  • the tin catalyst must be used in an amount of 0.01-10%, preferably 0.05-5%, most preferably 0.1-1%, of the total weight. It is preferred that the used polyol functionality is 2 or more and molecular weight is 2000-5000 daltons.
  • extender oils such as DOP (dioctyl phthalate) may also be used.
  • MDI methylene diphenyl diisocyanate
  • TDI 2,4 toluene diisocyanate
  • IPDI isophorone diisocyanate
  • H DI hexamethylene diisocyanate
  • the NCO% of the resultant Bondex (2) pre-polymer to be used should be between 5 and 25%, most preferably between 10 and 20%.
  • the obtained scraps and binder are mixed with the aid of a mixer and then transferred to the hopper to be pressed.
  • the amount of binder should be from 1 to 25 %, preferably from 5 to 20 %, most preferably from 10 to 17 %, of the total amount. Due to the movable piston on this reservoir, the piston is compressed to a certain point for the desired bondex density.
  • the compressed material can stand for 10 minutes to 10 hours, preferably 30 minutes to 5 hours, most preferably 1 to 2 hours with applying steam. Cutting operation is performed after the residual bondex (2) is rested for 1-24 hours, preferably 2-12 hours, most preferably 3-9 hours.
  • the density of the bondex obtained should be 40-500 kg/m3, preferably 100-400 kg/m3, most preferably 200-300 kg/m3.
  • MDI (methylene diphenyl diisocyanate) pre-polymer is used in spray polyurea applications.
  • the MDI pre- polymer can be obtained by reaction of polyol and isocyanate at a certain temperature and time. Control of the reaction of isocyanate and polyol becomes more difficult as the temperature increases.
  • the reaction temperature and time for a controlled reaction should be at 50-100 ° C and 1-7 hours, most preferably 70-90 ° C and 3-5 hours, respectively.
  • the synthesis must be performed under nitrogen atmosphere. If desired, tin catalyst may be used during pre-polymer synthesis.
  • the tin catalyst must be used in an amount of 0.01-10%, preferably 0.05-5%, most preferably 0.1-1%, of the total weight. It is preferred that the used polyol functionality is 2 or more and molecular weight is 2000-5000 daltons.
  • the NCO content of the pre-polymer to be used in polyurea coating (1) should be between 5 and 25%, most preferably between 10 and 20%.
  • the MDI pre-polymer viscosity varies with NCO%. Viscosity decreases as NCO% increases. However, products with high NCO% have difficulties in terms of applicability. For this reason, there is a problem of workability in products with high NCO%.
  • a diluting solvent is added to the system after the reaction or the quasi- pre-polymer synthesis is carried out.
  • Quasi pre-polymer synthesis is achieved by adding monomeric MDI instead of solvent to reduce the viscosity of the pre-polymer obtained after the reaction.
  • Spray Polyurea Coating (1) Application Because the polyurea reaction is a very rapid, the application is made by means of the spray system. There are two separate compartments in the system, component A and component B. Polyether amines of different molecular weight and chain extender are added at certain ratios in the component A section. MDI pre-polymer is added to the component B section. Additives such as coloring and filling agents can be added to the system to change the color and mechanical properties of the spray polyurea to be obtained. If there are also ingredients such as colorants or fillers in the formulation, these materials are also added to the component A section.
  • PPG-2000 - polypropylene glycol, mwt 2000
  • PPG-400 - polypropylene glycol, mwt 400
  • the amount of polyol is weighed and transferred into a 5-necked 1-liter glass reactor. Add the isocyanate which is weighed into the polyol which is heated to 70 ° C in a nitrogen atmosphere for half an hour. After 3 hours at 70 ° C, the temperature is turned off and the pre-polymer is stirred in the nitrogen atmosphere until it cools down to room temperature and transferred to the containers in a way that does not get air and is kept.
  • the experiments are given in Table 1.
  • the properties of the binders are given in Table 2.
  • Calculated clippings amount is taken to the mixing chamber.
  • the binder is added to the system. After mixing for 15-30 minutes, the materials are transferred to the hopper.
  • the hopper is compressed to the dimension calculated for the desired bondex density by means of a piston. Steam is given to the hopper after compression. After 2 hours, the steam is cut off and the bondex is removed from the hopper and leave to rest. Bondex is then cut to the desired dimensions.
  • Table 3 Experiments using different clippings and binders are shown in Table 3. Experiments are succeeded in producing bondex with different density.
  • MDI Pre-polymer Synthesis The amount of polyol is weighed and transferred into a 5-necked 1-liter glass reactor. Then isocyanate is added into the reactor after polyol is heated to 70 ° C and stirred in a nitrogen atmosphere for half an hour. After 3 hours at 70 ° C, the temperature is turned off and the pre-polymer is stirred in the nitrogen atmosphere until it cools down. The product arriving at room temperature is transferred to the containers in a way that does not get air and is kept. If the viscosity of the product needs to be red uced, the needed amount of solvent or monomeric M DI is added to the pre-polymer, that is cooled to room temperature after the reaction, in order to bring the viscosity to the desired level.
  • PE-1, PE-2 and chain extender are added to the component A at the specified quantities.
  • MDI pre-polymer is added in the determined amount.
  • Component A and B are circulated and heated to 75 ° C with resistance. The warmed components are sprayed with a gun at 16-20 bar. The two components meet at the tip of the gun and harden within 5-30 seconds after application to the surface.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

La présente invention concerne la production d'un matériau de revêtement de sol préventif pour réduire et empêcher les effondrements et les dommages résultant de chutes et de glissades. L'invention concerne un matériau composite étanche à l'eau, antibactérien, résistant aux chocs, présentant des résistances élevées à la traction et à la rupture, résistant à l'abrasion, résistant aux produits chimiques et compatible avec l'environnement comprenant une mousse de polyuréthane recyclée souple et un revêtement de polyurée applicable par pulvérisation.
PCT/TR2017/050403 2017-04-18 2017-08-23 Production de matériau composite à l'aide d'une mousse de polyuréthane souple recyclée physiquement et revêtement de polyurée applicable par pulvérisation WO2018194528A1 (fr)

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TR201705714 2017-04-18
TR2017/05714 2017-04-18

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* Cited by examiner, † Cited by third party
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CN111635627A (zh) * 2020-06-01 2020-09-08 丁震 一种乌拉草运动鞋垫及其制作方法
US10865560B1 (en) 2018-12-10 2020-12-15 Blue Tomato, Llc Light weight post and beam construction system based on horizontally pre-slotted panels
US11015340B2 (en) * 2018-08-24 2021-05-25 Blue Tomato Llc Sealed envelope agricultural building constructions
WO2021133282A1 (fr) * 2019-12-24 2021-07-01 Safaş Saf Plasti̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Matériau composite formé par un revêtement de polyurée appliqué à un matériau de polyuréthane recyclé et son procédé de production
CN113118001A (zh) * 2021-04-13 2021-07-16 江苏天沃重工科技有限公司 一种具有抗冲击和耐磨性能复合涂层的制备方法
US11286658B2 (en) 2018-12-10 2022-03-29 Blue Tomato, Llc Method for light weight construction using pre-slotted standard and transition panels
US11352775B2 (en) 2018-12-10 2022-06-07 Blue Tomato, Llc Light weight construction system based on horizontally pre-slotted panels
US11401724B2 (en) 2018-10-16 2022-08-02 Blue Tomato Llc Below grade fluid containment
WO2023011872A1 (fr) * 2021-08-04 2023-02-09 Bayerische Motoren Werke Aktiengesellschaft Structure d'absorbeur, agencement de stockage d'énergie, accumulateur à haute tension et procédé de fabrication d'une structure d'absorbeur
US11697946B2 (en) 2018-10-16 2023-07-11 Blue Tomato, Llc Pool or other below grade fluid containment
USD994148S1 (en) 2019-12-10 2023-08-01 Blue Tomato, Llc Construction panel

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