CN107775962B - A kind of adhesion technique of polyurethane rubber and metal chain guide skeleton - Google Patents

A kind of adhesion technique of polyurethane rubber and metal chain guide skeleton Download PDF

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Publication number
CN107775962B
CN107775962B CN201710918831.0A CN201710918831A CN107775962B CN 107775962 B CN107775962 B CN 107775962B CN 201710918831 A CN201710918831 A CN 201710918831A CN 107775962 B CN107775962 B CN 107775962B
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China
Prior art keywords
chain guide
parts
metal chain
guide skeleton
skeleton
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CN201710918831.0A
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CN107775962A (en
Inventor
李明
高昌峰
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Nanjing Sheng Qiang Rubber Plastic Co Ltd
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Nanjing Sheng Qiang Rubber Plastic Co Ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02245—Abrading, e.g. grinding, sanding, sandblasting or scraping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B29C66/712—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined the composition of one of the parts to be joined being different from the composition of the other part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C09J175/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
    • C09J183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses the adhesion techniques of a kind of polyurethane rubber and metal chain guide skeleton, comprising the following steps: (1) first carries out degreasing to metal chain guide skeleton；(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1)；(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 30-40 DEG C；(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, the brushing Separation control between the first layer adhesive and second layer adhesive is in 20min；(6) polyurethane rubber is then set to the surface that polyurethane rubber is bonded in metal chain guide skeleton by the second layer adhesive surface；The adhesion technique is simple and easy, and polyurethane rubber and metal chain guide skeleton are bonded together well, stronger, not easily to fall off.

Description

A kind of adhesion technique of polyurethane rubber and metal chain guide skeleton
Technical field
The present invention relates to a kind of adhesion techniques, and in particular to a kind of bonding work of polyurethane rubber and metal chain guide skeleton Skill belongs to chemical field.
Background technique
Polyurethane chain guide rail is the key part of printing packaging machine rotating part, uses imported from America part in the past, warp Often there is the phenomenon that being detached between polyurethane rubber and metal chain guide skeleton, influences equipment normal operation, we are in polyurethane rubber New process is used in the bonding of glue and metal substantially increases printing so that there is no break-offs for the bonding between the two The speed of service and service life of packaging machine.
Summary of the invention
The technical problem to be solved by the present invention is to, the shortcomings that overcoming the prior art, a kind of polyurethane rubber and gold are provided Belong to the adhesion technique of chain guide skeleton, the adhesion technique is simple and easy, and polyurethane rubber and metal chain guide skeleton is good It is bonded together, it is stronger, it is not easily to fall off.
In order to solve the above technical problems, the present invention provides the viscous of a kind of polyurethane rubber and metal chain guide skeleton Close technique, which is characterized in that specifically includes the following steps:
(1) degreasing first is carried out to metal chain guide skeleton, specifically: metal chain guide skeleton is cleaned with No. 120 gasoline Surface twice, Clean after every 10min twice；
(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1), specifically:
Using efficient sandblasting machine equipment, the gas from air compressor machine is made to become drying by pressure vessel and oil water separator Clean compressed air drives sand grains high speed to beat in metal chain guide Skeleton Table face, reaches derusting and surface is rough by sand-blasting machine The purpose of change, the pressure of air compressor are 6.0 × 105-6.5×105Pa, air pressure are 0.5 × 106Pa, sand-blasting machine sand bucket air pressure It is 4.5 × 105-5.5×105Pa, the 40 mesh iron sand that sandblasting uses, the folder of injection direction and metal chain guide Skeleton Table face normal Angle is 10 ° -30 °；
(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 30-40 DEG C；
(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；
(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, first layer adhesive and Brushing Separation control between two layers of adhesive is in 20min；
(6) then polyurethane rubber, which is set to second layer adhesive surface, is bonded in metal chain guide for polyurethane rubber The surface of skeleton.
The technical solution that the present invention further limits is:
Further, the adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, to metal chain guide skeleton Before carrying out degreasing, first chain guide skeleton is pre-processed, specifically:
With giant on chain guide skeleton surface thorn bits, welding slag, splash, surface and oil contaminant, oxide skin, iron rust with And other sundries are purged processing；
When being purged should from top to bottom, corner angle, dead angle and except clean place can with scraper, sand paper benefit remove, Finally also to keep the drying on chain guide skeleton surface.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, is specifically grasped when washing down again in step (3) As:
Pickling is carried out to the metal chain guide skeleton after blasting treatment, is carried out using nitric acid and hydrofluoric acid in the ratio of 1:1 Configuration, the pickling solution after preparing first stand 1-3h, are then cleaned with pickling solution to metal chain guide skeleton, with clear after cleaning Water rinses 1-3 times, naturally dry.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, first layer adhesive is C219 in step (4) Dilution counts butanone in C219 dilution: ethyl acetate: C219=1:1:4 in mass ratio.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, first layer adhesive presses quality in step (4) Number meter includes following components:
Bromine carbon poly urethane resin composite materials: 20-25 parts, modifying epoxy resin by organosilicon: 10-15 parts, fire retardant: 1-3 Part, filler: 3-5 parts, diluent: 10-13 parts, aqueous PUR dispersion: 2-4 parts, coarse whiting: 2~4 parts, ester alcohol coalescing agent: 5- 15 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction:
2,4- toluene di-isocyanate(TDI)s: 15-20 parts, polyethylene glycol-400: 10-15 parts, trimethylolpropane: 10-15 parts, Tetrabromobisphenol A: 20-30 parts, butyl acetate: 10-12 parts, cyclohexanone: 5-10 parts, aromatic polyamide staple fiber: 20-30 parts；
Fire retardant is one of antimony oxide, magnesium hydroxide, aluminium hydroxide；Filler is calcium carbonate, silicate, hexafluoro At least one of sodium aluminate, potassium fluoborate, sodium fluoborate, calcirm-fluoride, sodium fluoride, calcium stearate or zinc stearate；Diluent It is at least one of methanol, ethyl alcohol, acetone, ethyl acetate, ethylene glycol monoethyl ether, diethylene glycol ether or water.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, aqueous PUR dispersion are prepared according to the following steps:
(i) it will be fitted into the container for being furnished with thermometer, blender by the polyether polyol being dried, into container Be added toluene di-isocyanate(TDI) and be passed through nitrogen in 60-68 DEG C reaction 1-2 hours, then into container dropwise addition dissolved with dihydroxymethyl The n-methyl-2-pyrrolidone of propionic acid in 55-60 DEG C reaction 1.5-2 hours, obtain performed polymer；
(ii) 0 DEG C of deionized water and triethylamine high-speed stirred are added in another container, by step (i) performed polymer obtained It is injected after being cooled to 40 ° wherein, dihydroxypropane and ethylenediamine chain extension, dispersion reaction 15-18min is added after reacting 5-10min Aqueous PUR dispersion can be obtained；
Modifying epoxy resin by organosilicon the preparation method is as follows:
Epoxy resin 6101 is dissolved in ethyl acetate solution, is added and agitating device, reflux condenser and temperature is housed In the three-necked flask of meter, be first passed through condensed water, and be gradually heated to 85-90 DEG C, then sequentially add methyltriethoxysilane, Deionized water and catalyst, high-speed stirred, insulation reaction 3-5h, mixing speed 600-800r/min；
The preparation method of bromine carbon poly urethane resin composite materials, specifically includes the following steps:
A., polyethylene glycol-400, trimethylolpropane and cyclohexanone are added to agitating and heating in the three-necked flask of 250ml, Agitating device, water segregator agent condenser pipe, the reflux dewatering 2-3h at 130-140 DEG C are housed on three-necked flask；
When b. reducing temperature to 60-70 DEG C, 2,4- toluene di-isocyanate(TDI) is added, into three-necked flask with dewatered vinegar Acid butyl ester is that solvent dissolves tetrabromobisphenol A at 30-35 DEG C to obtain tetrabromobisphenol A solution, and tetrabromobisphenol A solution is added three In mouth flask, di-n-butyltin dilaurate is added dropwise into three-necked flask, agitating and heating reacts 20-30min at 70-75 DEG C；
C. cooled to room temperature after reaction, raw material dewatered in step a is added in three-necked flask, and is mended Add di-n-butyltin dilaurate, react 15-20min at 60-65 DEG C, is cooled to room temperature discharging, it is pre- to obtain bromine carbon poly urethane Aggressiveness；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, is then added 2,4- toluene di-isocyanate(TDI)s are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model slot, at 75 DEG C It is spare after presulfurization 1-3h；
E. mold, and the coating polyethylene wax in mold are cleared up, and mold is preheated to 70-80 DEG C, after presulfurization Fiber and pre-polymer mixture place molding in a mold, temperature are risen to 125-140 DEG C, solidification is naturally cooled to mold When room temperature, demoulding obtains bromine carbon compound polyurethane material.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, second layer adhesive is C213 in step (5) Dilution counts butanone in C213 dilution: ethyl acetate: C213=1:1:4 in mass ratio.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, second layer adhesive described in step (5) are pressed Mass fraction meter includes following components:
Methyl vinyl silicone rubber: 10-13 parts, water based acrylic resin: 20-25 parts, efficient levelling agent: 1-3 parts, Antistatic agent: 0.2-0.5 parts, pigments and fillers: 4-6 parts, auxiliary material: 0.1-0.3 parts, 1,4-butanediol: 1-3 parts, heat stabilizer: 1-3 Part, modified aluminum trihydroxide: 5-10 parts；
Auxiliary material is compound rare-earth, and compound rare-earth is by by weight percentage comprising following component: Y:13-15%, Sc:16- 18%, Gd:9-11%, Sm:18-20%, Pr:9-11%, surplus La, the sum of the above components be 100% '
Efficient levelling agent is organic silicon modified by polyether, alkyl-modified organosilicon, fluorin modified crylic acid ester polymer, alkyl two At least one of phenyl oxide disulfonate, Span or polyoxyethylene sorbitan fatty acid ester；It is anti- Electrostatic agent is at least one of anionic antistatic agent, cationic antistatic agent or non-ionic antistatic agent；It is hot steady Determining agent is 2 ethyl hexanoic acid salt, phenates, benzoate or stearate；Pigments and fillers are composite iron-titanium powder, crystal whisker of hexa potassium titanate, sea The mixture of afrodite, expanded vermiculite and glass powder, wherein pigments and fillers are by composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expansion Vermiculite and glass powder 3:2:1-4:1:1 in mass ratio are mixed, and expanded vermiculite size is 200-220 mesh；Glass powder is lead glass One or more of glass powder, vanadium glass powder, boron glass powder or phosphoric acid glass powder.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, the preparation method of water based acrylic resin Are as follows:
N-butanol is added into the three-necked flask equipped with blender agent water-bath, 90-95 DEG C is heated up to, then by peroxidating Benzoyl is dissolved in the mixed liquor of methyl methacrylate, hydroxy-ethyl acrylate, acryloid lauryl mercaptan, and will mix drop It adds in three-necked flask, dropwise addition maintains 3-4h completion, and controls temperature at 90-95 DEG C, after being added dropwise and keeping the temperature 1-2h, mends Add benzoyl peroxide and is warming up to 100-110 DEG C, heat preservation 0.5-1h, then slow cooling is to 35-45 DEG C, dropwise addition triethylamine, PH value is adjusted to 7.5-8, removed under reduced pressure partial solvent is heated, finally, water dilution, which is added, obtains water based acrylic resin.
The adhesion technique of aforementioned polyurethane rubber and metal chain guide skeleton, modified aluminum trihydroxide preparation method is such as Under:
A. aluminium hydroxide powder ultrasonic disperse is carried out in n-butanol azeotropic distillation processing, system maintenance is increased to 117- Terminate after continuing reflux 30-40min at 120 DEG C；
B. it is made into slurry in addition n-butanol through the distilled aluminium hydroxide of n-butanol, continues to heat to 70-75 DEG C Afterwards, it is filtered and is washed after coupling agent modified 45-60min is added, finally obtain modified aluminum trihydroxide；
Wherein, coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent.
The beneficial effects of the present invention are:
Aqueous PUR dispersion is added in second adhesive of the present invention, preferably improves the water resistance and bonding of adhesive Performance, and it is more smooth that adhesive surface can be made to be kept as, and rationally can effectively control internal stresses release, reduces product shape Become；Simultaneously as the increase of aqueous PUR dispersion, can be improved the rate of drying of production process, so as to greatly improve life Produce efficiency.
Invention adhesives bond degree is strong, good toughness, and moisture resistance is good, corrosion-resistant, high temperature resistant, quickly shape easy processing at Type.
Modified aluminum trihydroxide is added in the present invention, since nano-aluminum hydroxide has biggish specific surface area, heat Stability is improved and its dispersibility in coating can also improve, can be with so by the fine to aluminium hydroxide Improve its defect in the application and improve the fire protecting performance of adhesive, while the physicochemical property of adhesive will not be reduced.
After being added to modified aluminum trihydroxide in the present invention, smoke density can be effectively reduced, and meet it is indoor and Every physicochemical property of outdoor, corrosion-resistant and ageing-resistant performance standard requirements.
Detailed description of the invention
The glued construction schematic diagram of Fig. 1 embodiment of the present invention.
Specific embodiment
The present embodiment carries out under drying, dustless environment, requires in brushwork adhesive: uniform and thin, without wall built-up, nothing Accumulation is brushed without leakage.
Embodiment 1
The adhesion technique of a kind of polyurethane rubber provided in this embodiment and metal chain guide skeleton, as shown in Figure 1, specifically The following steps are included:
(1) degreasing first is carried out to metal chain guide skeleton, specifically: metal chain guide skeleton is cleaned with No. 120 gasoline Surface twice, Clean after every 10min twice；
(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1), specifically:
Using efficient sandblasting machine equipment, the gas from air compressor machine is made to become drying by pressure vessel and oil water separator Clean compressed air drives sand grains high speed to beat in metal chain guide Skeleton Table face, reaches derusting and surface is rough by sand-blasting machine The purpose of change, the pressure of the air compressor are 6.0 × 105-6.5×105Pa, air pressure are 0.5 × 106Pa, sand-blasting machine sand bucket Air pressure is 4.5 × 105-5.5×105Pa, the 40 mesh iron sand that the sandblasting uses, injection direction and metal chain guide Skeleton Table face The angle of normal is 10 ° -30 °；
(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 30-40 DEG C；
Concrete operations when washing down again are as follows:
Pickling is carried out to the metal chain guide skeleton after blasting treatment, is carried out using nitric acid and hydrofluoric acid in the ratio of 1:1 Configuration, the pickling solution after preparing first stand 1-3h, are then cleaned with pickling solution to metal chain guide skeleton, with clear after cleaning Water rinses 1-3 times, naturally dry；
(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；
First layer adhesive is C219 dilution, counts butanone in mass ratio in C219 dilution: ethyl acetate: C219=1: 1:4；
(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, first layer adhesive and Brushing Separation control between two layers of adhesive is in 20min；
Second layer adhesive is C213 dilution, counts butanone in mass ratio in C213 dilution: ethyl acetate: C213=1: 1:4；
(6) then polyurethane rubber, which is set to the second layer adhesive surface, is bonded in metallic bond for polyurethane rubber The surface of guide rail skeleton.
In the present embodiment: before carrying out degreasing to metal chain guide skeleton, first chain guide skeleton being pre-processed, is had Body are as follows:
With giant on chain guide skeleton surface thorn bits, welding slag, splash, surface and oil contaminant, oxide skin, iron rust with And other sundries are purged processing；
When being purged should from top to bottom, corner angle, dead angle and except clean place can with scraper, sand paper benefit remove, Finally also to keep the drying on chain guide skeleton surface.
Embodiment 2
The adhesion technique of a kind of polyurethane rubber provided in this embodiment and metal chain guide skeleton, as shown in Figure 1, specifically The following steps are included:
(1) degreasing first is carried out to metal chain guide skeleton, specifically: metal chain guide skeleton is cleaned with No. 120 gasoline Surface twice, Clean after every 10min twice；
(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1), specifically:
Using efficient sandblasting machine equipment, the gas from air compressor machine is made to become drying by pressure vessel and oil water separator Clean compressed air drives sand grains high speed to beat in metal chain guide Skeleton Table face, reaches derusting and surface is rough by sand-blasting machine The purpose of change, the pressure of air compressor are 6.0 × 1055Pa, air pressure are 0.5 × 106Pa, sand-blasting machine sand bucket air pressure be 4.5 × 105The angle of Pa, the 40 mesh iron sand that sandblasting uses, injection direction and metal chain guide Skeleton Table face normal is 10 °；
(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 30 DEG C；
Concrete operations when washing down again are as follows:
Pickling is carried out to the metal chain guide skeleton after blasting treatment, is carried out using nitric acid and hydrofluoric acid in the ratio of 1:1 Configuration, the pickling solution after preparing first stand 1h, are then cleaned with pickling solution to metal chain guide skeleton, clear water is used after cleaning It rinses 1 time, naturally dry；
(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；
First layer adhesive includes following components according to the mass fraction:
Bromine carbon poly urethane resin composite materials: 20 parts, modifying epoxy resin by organosilicon: 10 parts, fire retardant: 1 part, filler: 3 Part, diluent: 10 parts, aqueous PUR dispersion: 2 parts, coarse whiting: 2 parts, ester alcohol coalescing agent: 5 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction:
2,4- toluene di-isocyanate(TDI)s: 15 parts, polyethylene glycol-400: 10 parts, trimethylolpropane: 10 parts, tetrabromobisphenol A:20 parts, butyl acetate: 10 parts, cyclohexanone: 5 parts, aromatic polyamide staple fiber: 20 parts；
Fire retardant is antimony oxide；Filler is calcium carbonate；Diluent is methanol.
Aqueous PUR dispersion is prepared according to the following steps:
(i) it will be fitted into the container for being furnished with thermometer, blender by the polyether polyol being dried, into container Toluene di-isocyanate(TDI) is added and is passed through nitrogen and is reacted in 60 DEG C 1 hour, is then added dropwise into container dissolved with dihydromethyl propionic acid N-methyl-2-pyrrolidone in 55 DEG C react 1.5 hours, obtain performed polymer；
(ii) 0 DEG C of deionized water and triethylamine high-speed stirred are added in another container, by step (i) performed polymer obtained It is injected after being cooled to 40 ° wherein, dihydroxypropane and ethylenediamine chain extension is added after reacting 5min, dispersion reaction 15min is available Aqueous PUR dispersion；
Modifying epoxy resin by organosilicon the preparation method is as follows:
Epoxy resin 6101 is dissolved in ethyl acetate solution, is added and agitating device, reflux condenser and temperature is housed In the three-necked flask of meter, it is first passed through condensed water, and is gradually heated to 85 DEG C, methyltriethoxysilane is then sequentially added, goes Ionized water and catalyst, high-speed stirred, insulation reaction 3h, mixing speed 600r/min；
The preparation method of bromine carbon poly urethane resin composite materials, specifically includes the following steps:
A., polyethylene glycol-400, trimethylolpropane and cyclohexanone are added to agitating and heating in the three-necked flask of 250ml, institute Agitating device, water segregator agent condenser pipe, the reflux dewatering 2h at 130 DEG C are housed on the three-necked flask stated；
When b. reducing temperature to 60 DEG C, 2,4- toluene di-isocyanate(TDI) is added, into three-necked flask with dewatered acetic acid Butyl ester is that solvent dissolves tetrabromobisphenol A at 30 DEG C to obtain tetrabromobisphenol A solution, and three mouthfuls of burnings are added in tetrabromobisphenol A solution In bottle, di-n-butyltin dilaurate is added dropwise into three-necked flask, agitating and heating reacts 20min at 70 DEG C；
C. cooled to room temperature after reaction, raw material dewatered in step a is added in three-necked flask, and is mended Add di-n-butyltin dilaurate, react 15min at 60 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, is then added 2,4- toluene di-isocyanate(TDI)s are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model slot, at 75 DEG C It is spare after presulfurization 1h；
E. mold, and the coating polyethylene wax in mold are cleared up, and mold is preheated to 70 DEG C, by the fiber after presulfurization Molding in a mold is placed with pre-polymer mixture, temperature is risen to 125 DEG C, is solidified, when mold cooled to room temperature, Demoulding obtains bromine carbon compound polyurethane material；
(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, first layer adhesive and Brushing Separation control between two layers of adhesive is in 20min；
Second layer adhesive includes following components according to the mass fraction:
Methyl vinyl silicone rubber: 10 parts, water based acrylic resin: 20 parts, efficient levelling agent: 1 part, antistatic Agent: 0.2 part, pigments and fillers: 4 parts, auxiliary material: 0.1 part, 1,4-butanediol: 1 part, heat stabilizer: 1 part, modified aluminum trihydroxide: 5 Part；
Auxiliary material is compound rare-earth, and compound rare-earth is by by weight percentage comprising following component: Y:13%, Sc:16%, Gd: 9%, Sm:18%, Pr:9%, surplus La, the sum of the above components are 100%；
Efficient levelling agent is organic silicon modified by polyether；Antistatic agent is anionic antistatic agent；Heat stabilizer is 2- second Base caproate；Pigments and fillers are the mixture of composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder, wherein Pigments and fillers are mixed by composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder 3:2:1:1:1 in mass ratio It forms, expanded vermiculite size is 200 mesh；Glass powder is lead glass powder.
Water based acrylic resin the preparation method comprises the following steps:
N-butanol is added into the three-necked flask equipped with blender agent water-bath, 90 DEG C are heated up to, then by benzoyl peroxide Formyl is dissolved in the mixed liquor of methyl methacrylate, hydroxy-ethyl acrylate, acryloid lauryl mercaptan, and mixed liquor is added dropwise Into in three-necked flask, dropwise addition maintains 3h completion, and controls temperature at 90 DEG C, after being added dropwise and keeping the temperature 1h, adds peroxidating Benzoyl is simultaneously warming up to 100 DEG C, heat preservation 0.5h, and then triethylamine, adjusting pH value to 7.5, heating is added dropwise to 35 DEG C in slow cooling Removed under reduced pressure partial solvent, finally, water dilution, which is added, obtains water based acrylic resin.
Modified aluminum trihydroxide the preparation method is as follows:
A. aluminium hydroxide powder ultrasonic disperse is carried out in n-butanol azeotropic distillation processing, system maintenance is increased to 117 DEG C when continue flow back 30min after terminate；
B. it is made into slurry in addition n-butanol through the distilled aluminium hydroxide of n-butanol, continued after heating to 70 DEG C, It is filtered and is washed after coupling agent modified 45min is added, finally obtain modified aluminum trihydroxide；
Wherein, coupling agent is silane coupling agent；
(6) then polyurethane rubber, which is set to the second layer adhesive surface, is bonded in metallic bond for polyurethane rubber The surface of guide rail skeleton.
In the present embodiment: before carrying out degreasing to metal chain guide skeleton, first chain guide skeleton being pre-processed, is had Body are as follows:
With giant on chain guide skeleton surface thorn bits, welding slag, splash, surface and oil contaminant, oxide skin, iron rust with And other sundries are purged processing；
When being purged should from top to bottom, corner angle, dead angle and except clean place can with scraper, sand paper benefit remove, Finally also to keep the drying on chain guide skeleton surface.
Embodiment 3
The adhesion technique of a kind of polyurethane rubber provided in this embodiment and metal chain guide skeleton, as shown in Figure 1, specifically The following steps are included:
(1) degreasing first is carried out to metal chain guide skeleton, specifically: metal chain guide skeleton is cleaned with No. 120 gasoline Surface twice, Clean after every 10min twice；
(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1), specifically:
Using efficient sandblasting machine equipment, the gas from air compressor machine is made to become drying by pressure vessel and oil water separator Clean compressed air drives sand grains high speed to beat in metal chain guide Skeleton Table face, reaches derusting and surface is rough by sand-blasting machine The purpose of change, the pressure of air compressor are 6.5 × 105Pa, air pressure are 0.5 × 106Pa, sand-blasting machine sand bucket air pressure be 5.5 × 105The angle of Pa, the 40 mesh iron sand that sandblasting uses, injection direction and metal chain guide Skeleton Table face normal is 30 °；
(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 40 DEG C；
Concrete operations when washing down again are as follows:
Pickling is carried out to the metal chain guide skeleton after blasting treatment, is carried out using nitric acid and hydrofluoric acid in the ratio of 1:1 Configuration, the pickling solution after preparing first stand 3h, are then cleaned with pickling solution to metal chain guide skeleton, clear water is used after cleaning It rinses 3 times, naturally dry；
(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；
First layer adhesive includes following components according to the mass fraction:
Bromine carbon poly urethane resin composite materials: 25 parts, modifying epoxy resin by organosilicon: 15 parts, fire retardant: 3 parts, filler: 5 parts, diluent: 13 parts, aqueous PUR dispersion: 4 parts, coarse whiting: 4 parts, ester alcohol coalescing agent: 15 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction:
2,4- toluene di-isocyanate(TDI)s: 20 parts, polyethylene glycol-400: 15 parts, trimethylolpropane: 15 parts, tetrabromobisphenol A:30 parts, butyl acetate: 12 parts, cyclohexanone: 10 parts, aromatic polyamide staple fiber: 30 parts；
Fire retardant is hexafluoro sodium aluminate；Diluent is diethylene glycol ether.
Aqueous PUR dispersion is prepared according to the following steps:
(i) it will be fitted into the container for being furnished with thermometer, blender by the polyether polyol being dried, into container Toluene di-isocyanate(TDI) is added and is passed through nitrogen and is reacted in 68 DEG C 2 hours, is then added dropwise into container dissolved with dihydromethyl propionic acid N-methyl-2-pyrrolidone in 60 DEG C react 2 hours, obtain performed polymer；
(ii) 0 DEG C of deionized water and triethylamine high-speed stirred are added in another container, by step (i) performed polymer obtained It is injected after being cooled to 40 ° wherein, dihydroxypropane and ethylenediamine chain extension is added after reacting 10min, dispersion reaction 18min is available Aqueous PUR dispersion；
Modifying epoxy resin by organosilicon the preparation method is as follows:
Epoxy resin 6101 is dissolved in ethyl acetate solution, is added and agitating device, reflux condenser and temperature is housed In the three-necked flask of meter, it is first passed through condensed water, and is gradually heated to 90 DEG C, methyltriethoxysilane is then sequentially added, goes Ionized water and catalyst, high-speed stirred, insulation reaction 5h, mixing speed 800r/min；
The preparation method of bromine carbon poly urethane resin composite materials, specifically includes the following steps:
A. by polyethylene glycol-400, trimethylolpropane and cyclohexanone be added 250ml three-necked flask in agitating and heating, three Agitating device, water segregator agent condenser pipe, the reflux dewatering 3h at 140 DEG C are housed on mouth flask；
When b. reducing temperature to 70 DEG C, 2,4- toluene di-isocyanate(TDI) is added, into three-necked flask with dewatered acetic acid Butyl ester is that solvent dissolves tetrabromobisphenol A at 35 DEG C to obtain tetrabromobisphenol A solution, and three mouthfuls of burnings are added in tetrabromobisphenol A solution In bottle, di-n-butyltin dilaurate is added dropwise into three-necked flask, agitating and heating reacts 30min at 75 DEG C；
C. cooled to room temperature after reaction, raw material dewatered in step a is added in three-necked flask, and is mended Add di-n-butyltin dilaurate, react 20min at 65 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, is then added 2,4- toluene di-isocyanate(TDI)s are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model slot, at 75 DEG C It is spare after presulfurization 3h；
E. mold, and the coating polyethylene wax in mold are cleared up, and mold is preheated to 80 DEG C, by the fiber after presulfurization Molding in a mold is placed with pre-polymer mixture, temperature is risen to 140 DEG C, is solidified, when mold cooled to room temperature, Demoulding obtains bromine carbon compound polyurethane material；
(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, first layer adhesive and Brushing Separation control between two layers of adhesive is in 20min；
Second layer adhesive includes following components according to the mass fraction:
Methyl vinyl silicone rubber: 13 parts, water based acrylic resin: 25 parts, efficient levelling agent: 3 parts, antistatic Agent: 0.5 part, pigments and fillers: 6 parts, auxiliary material: 0.3 part, 1,4-butanediol: 3 parts, heat stabilizer: 3 parts, modified aluminum trihydroxide: 10 parts；
Auxiliary material is compound rare-earth, and compound rare-earth is by by weight percentage comprising following component: Y:15%, Sc:18%, Gd: 11%, Sm:20%, Pr:11%, surplus La, the sum of the above components are 100%；
Efficient levelling agent is alkyl diphenyl base oxide disulfonate；Antistatic agent is non-ionic antistatic agent；It is hot steady Determining agent is stearate；Pigments and fillers are the mixing of composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder Object, wherein pigments and fillers are by composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder 3:2:4 in mass ratio: 1:1 is mixed, and expanded vermiculite size is 220 mesh；Glass powder is phosphoric acid glass powder.
Water based acrylic resin the preparation method comprises the following steps:
N-butanol is added into the three-necked flask equipped with blender agent water-bath, 95 DEG C are heated up to, then by benzoyl peroxide Formyl is dissolved in the mixed liquor of methyl methacrylate, hydroxy-ethyl acrylate, acryloid lauryl mercaptan, and mixed liquor is added dropwise Into in three-necked flask, dropwise addition maintains 4h completion, and controls temperature at 95 DEG C, after being added dropwise and keeping the temperature 2h, adds peroxidating Benzoyl is simultaneously warming up to 110 DEG C, heat preservation 1h, and then triethylamine, adjusting pH value to 8, heating decompression is added dropwise to 45 DEG C in slow cooling Partial solvent is removed, finally, water dilution, which is added, obtains water based acrylic resin.
Modified aluminum trihydroxide the preparation method is as follows:
A. aluminium hydroxide powder ultrasonic disperse is carried out in n-butanol azeotropic distillation processing, system maintenance is increased to 120 DEG C when continue flow back 40min after terminate；
B. it is made into slurry in addition n-butanol through the distilled aluminium hydroxide of n-butanol, continued after heating to 75 DEG C, It is filtered and is washed after coupling agent modified 60min is added, finally obtain modified aluminum trihydroxide；
Wherein, coupling agent is aluminate coupling agent；
(6) then polyurethane rubber, which is set to the second layer adhesive surface, is bonded in metallic bond for polyurethane rubber The surface of guide rail skeleton.
In the present embodiment: before carrying out degreasing to metal chain guide skeleton, first chain guide skeleton being pre-processed, is had Body are as follows:
With giant on chain guide skeleton surface thorn bits, welding slag, splash, surface and oil contaminant, oxide skin, iron rust with And other sundries are purged processing；
When being purged should from top to bottom, corner angle, dead angle and except clean place can with scraper, sand paper benefit remove, Finally also to keep the drying on chain guide skeleton surface.
Embodiment 4
The adhesion technique of a kind of polyurethane rubber provided in this embodiment and metal chain guide skeleton, as shown in Figure 1, specifically The following steps are included:
(1) degreasing first is carried out to metal chain guide skeleton, specifically: metal chain guide skeleton is cleaned with No. 120 gasoline Surface twice, Clean after every 10min twice；
(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1), specifically:
Using efficient sandblasting machine equipment, the gas from air compressor machine is made to become drying by pressure vessel and oil water separator Clean compressed air drives sand grains high speed to beat in metal chain guide Skeleton Table face, reaches derusting and surface is rough by sand-blasting machine The purpose of change, the pressure of air compressor are 6.3 × 105Pa, air pressure are 0.5 × 106Pa, sand-blasting machine sand bucket air pressure be 5.0 × 105The angle of Pa, the 40 mesh iron sand that sandblasting uses, injection direction and metal chain guide Skeleton Table face normal is 20 °；
(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 35 DEG C；
Concrete operations when washing down again are as follows:
Pickling is carried out to the metal chain guide skeleton after blasting treatment, is carried out using nitric acid and hydrofluoric acid in the ratio of 1:1 Configuration, the pickling solution after preparing first stand 2h, are then cleaned with pickling solution to metal chain guide skeleton, clear water is used after cleaning It rinses 2 times, naturally dry；
(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；
First layer adhesive includes following components according to the mass fraction:
Bromine carbon poly urethane resin composite materials: 23 parts, modifying epoxy resin by organosilicon: 13 parts, fire retardant: 2 parts, filler: 4 Part, diluent: 12 parts, aqueous PUR dispersion: 3 parts, coarse whiting: 3 parts, ester alcohol coalescing agent: 10 parts；
Bromine carbon poly urethane resin composite materials include following components according to the mass fraction:
2,4- toluene di-isocyanate(TDI)s: 18 parts, polyethylene glycol-400: 13 parts, trimethylolpropane: 13 parts, tetrabromobisphenol A:25 parts, butyl acetate: 11 parts, cyclohexanone: 8 parts, aromatic polyamide staple fiber: 25 parts；
Fire retardant is magnesium hydroxide；Filler is silicate；Diluent is ethyl alcohol.
Aqueous PUR dispersion is prepared according to the following steps:
(i) it will be fitted into the container for being furnished with thermometer, blender by the polyether polyol being dried, into container Toluene di-isocyanate(TDI) is added and is passed through nitrogen and is reacted in 65 DEG C 2 hours, is then added dropwise into container dissolved with dihydromethyl propionic acid N-methyl-2-pyrrolidone in 58 DEG C react 1.8 hours, obtain performed polymer；
(ii) 0 DEG C of deionized water and triethylamine high-speed stirred are added in another container, by step (i) performed polymer obtained It is injected after being cooled to 40 ° wherein, dihydroxypropane and ethylenediamine chain extension is added after reacting 8min, dispersion reaction 17min is available Aqueous PUR dispersion；
Modifying epoxy resin by organosilicon the preparation method is as follows:
Epoxy resin 6101 is dissolved in ethyl acetate solution, is added and agitating device, reflux condenser and temperature is housed In the three-necked flask of meter, it is first passed through condensed water, and is gradually heated to 88 DEG C, methyltriethoxysilane is then sequentially added, goes Ionized water and catalyst, high-speed stirred, insulation reaction 4h, mixing speed 700r/min；
The preparation method of bromine carbon poly urethane resin composite materials, specifically includes the following steps:
A. by polyethylene glycol-400, trimethylolpropane and cyclohexanone be added 250ml three-necked flask in agitating and heating, three Agitating device, water segregator agent condenser pipe, the reflux dewatering 2h at 135 DEG C are housed on mouth flask；
When b. reducing temperature to 65 DEG C, 2,4- toluene di-isocyanate(TDI) is added, into three-necked flask with dewatered acetic acid Butyl ester is that solvent dissolves tetrabromobisphenol A at 33 DEG C to obtain tetrabromobisphenol A solution, and three mouthfuls of burnings are added in tetrabromobisphenol A solution In bottle, di-n-butyltin dilaurate is added dropwise into three-necked flask, agitating and heating reacts 25min at 73 DEG C；
C. cooled to room temperature after reaction, raw material dewatered in step a is added in three-necked flask, and is mended Add di-n-butyltin dilaurate, react 18min at 63 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, is then added 2,4- toluene di-isocyanate(TDI)s are uniformly mixed again, and the mixture of fiber and performed polymer is coated in model slot, at 75 DEG C It is spare after presulfurization 2h；
E. mold, and the coating polyethylene wax in mold are cleared up, and mold is preheated to 75 DEG C, by the fiber after presulfurization Molding in a mold is placed with pre-polymer mixture, temperature is risen to 129 DEG C, is solidified, when mold cooled to room temperature, Demoulding obtains bromine carbon compound polyurethane material；
(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, first layer adhesive and Brushing Separation control between two layers of adhesive is in 20min；
Second layer adhesive includes following components according to the mass fraction:
Methyl vinyl silicone rubber: 12 parts, water based acrylic resin: 22 parts, efficient levelling agent: 2 parts, antistatic Agent: 0.4 part, pigments and fillers: 5 parts, auxiliary material: 0.2 part, 1,4-butanediol: 2 parts, 2 parts of heat stabilizer, modified aluminum trihydroxide: 8 Part；
Auxiliary material is compound rare-earth, and compound rare-earth is by by weight percentage comprising following component: Y:14%, Sc:17%, Gd: 10%, Sm:19%, Pr:10%, surplus La, the sum of the above components are 100%；
Efficient levelling agent is alkyl-modified organosilicon；Antistatic agent is cationic antistatic agent；Heat stabilizer is phenates； Pigments and fillers be composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder mixture, wherein pigments and fillers by Composite iron-titanium powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder 3:2:2:1:1 in mass ratio are mixed, expansion Vermiculite size is 210 mesh；Glass powder is vanadium glass powder.
Water based acrylic resin the preparation method comprises the following steps:
N-butanol is added into the three-necked flask equipped with blender agent water-bath, 93 DEG C are heated up to, then by benzoyl peroxide Formyl is dissolved in the mixed liquor of methyl methacrylate, hydroxy-ethyl acrylate, acryloid lauryl mercaptan, and mixed liquor is added dropwise Into in three-necked flask, dropwise addition maintains 3h completion, and controls temperature at 93 DEG C, after being added dropwise and keeping the temperature 2h, adds peroxidating Benzoyl is simultaneously warming up to 105 DEG C, heat preservation 0.8h, and then triethylamine, adjusting pH value to 7.8, heating is added dropwise to 38 DEG C in slow cooling Removed under reduced pressure partial solvent, finally, water dilution, which is added, obtains water based acrylic resin.
Modified aluminum trihydroxide the preparation method is as follows:
A. aluminium hydroxide powder ultrasonic disperse is carried out in n-butanol azeotropic distillation processing, system maintenance is increased to 119 DEG C when continue flow back 35min after terminate；
B. it is made into slurry in addition n-butanol through the distilled aluminium hydroxide of n-butanol, continued after heating to 73 DEG C, It is filtered and is washed after coupling agent modified 52min is added, finally obtain modified aluminum trihydroxide；
Wherein, coupling agent is titanate coupling agent；
(6) then polyurethane rubber, which is set to second layer adhesive surface, is bonded in metal chain guide for polyurethane rubber The surface of skeleton.
In the present embodiment: before carrying out degreasing to metal chain guide skeleton, first chain guide skeleton being pre-processed, is had Body are as follows:
With giant on chain guide skeleton surface thorn bits, welding slag, splash, surface and oil contaminant, oxide skin, iron rust with And other sundries are purged processing；
When being purged should from top to bottom, corner angle, dead angle and except clean place can with scraper, sand paper benefit remove, Finally also to keep the drying on chain guide skeleton surface.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (9)

1. the adhesion technique of a kind of polyurethane rubber and metal chain guide skeleton, which is characterized in that specifically includes the following steps:
(1) degreasing first is carried out to metal chain guide skeleton, specifically: metal chain guide Skeleton Table face is cleaned with No. 120 gasoline Twice, Clean after every 10min twice；
(2) sandblasting is carried out to the metal chain guide skeleton after degreasing in step (1), specifically:
Using efficient sandblasting machine equipment, the gas from air compressor machine is made to become dried and clean by pressure vessel and oil water separator Compressed air, by sand-blasting machine drive sand grains high speed beat in metal chain guide Skeleton Table face, reach derusting with it is surface roughening Purpose, the pressure of the air compressor are 6.0 × 105-6.5×105Pa, air pressure are 0.5 × 106Pa, sand-blasting machine sand bucket air pressure It is 4.5 × 105-5.5×105Pa, the 40 mesh iron sand that the sandblasting uses, injection direction and metal chain guide Skeleton Table face normal Angle be 10 ° -30 °；
(3) the metal chain guide skeleton after blasting treatment is cleaned again and places baking oven and be heated to 30-40 DEG C；
(4) brushing first layer adhesive is carried out to through the processed metal chain guide Skeleton Table face of step (3)；
The first layer adhesive includes following components according to the mass fraction:
Bromine carbon poly urethane resin composite materials: it 20-25 parts, modifying epoxy resin by organosilicon: 10-15 parts, fire retardant: 1-3 parts, fills out Material: 3-5 parts, diluent: 10-13 parts, aqueous PUR dispersion: 2-4 parts, coarse whiting: 2~4 parts, ester alcohol coalescing agent: 5~15 parts；
The bromine carbon poly urethane resin composite materials include following components according to the mass fraction:
2,4- toluene di-isocyanate(TDI)s: 15-20 parts, polyethylene glycol-400: 10-15 parts, trimethylolpropane: 10-15 parts, tetrabromo Bisphenol-A: 20-30 parts, butyl acetate: 10-12 parts, cyclohexanone: 5-10 parts, aromatic polyamide staple fiber: 20-30 parts；
The fire retardant is one of antimony oxide, magnesium hydroxide, aluminium hydroxide；The filler is calcium carbonate, silicic acid At least one of salt, hexafluoro sodium aluminate, potassium fluoborate, sodium fluoborate, calcirm-fluoride, sodium fluoride, calcium stearate or zinc stearate； The diluent is at least one in methanol, ethyl alcohol, acetone, ethyl acetate, ethylene glycol monoethyl ether, diethylene glycol ether or water Kind；
(5) after the first layer adhesive in step (4) parches, brushing second layer adhesive, the first layer adhesive and Brushing Separation control between two layers of adhesive is in 20min；
(6) then polyurethane rubber, which is set to the second layer adhesive surface, is bonded in metal chain guide for polyurethane rubber The surface of skeleton.
2. the adhesion technique of polyurethane rubber according to claim 1 and metal chain guide skeleton, it is characterised in that: right Before metal chain guide skeleton carries out degreasing, first chain guide skeleton is pre-processed, specifically:
With giant on chain guide skeleton surface thorn bits, welding slag, splash, surface and oil contaminant, oxide skin, iron rust and its His sundries is purged processing；
It should from top to bottom, at corner angle, dead angle and not except clean place can be removed with scraper, sand paper benefit, finally when being purged Also to keep the drying on chain guide skeleton surface.
3. the adhesion technique of polyurethane rubber according to claim 1 and metal chain guide skeleton, it is characterised in that: in step Concrete operations when being washed down again in (3) suddenly are as follows:
Pickling is carried out to the metal chain guide skeleton after blasting treatment, is configured using nitric acid and hydrofluoric acid in the ratio of 1:1, Pickling solution after preparing first stands 1-3h, is then cleaned with pickling solution to metal chain guide skeleton, is rushed after cleaning with clear water It washes 1-3 times, naturally dry.
4. the adhesion technique of polyurethane rubber according to claim 1 and metal chain guide skeleton, it is characterised in that: step (4) first layer adhesive described in is C219 dilution, counts butanone in mass ratio in the C219 dilution: ethyl acetate: C219=1:1:4.
5. the adhesion technique of polyurethane rubber according to claim 1 and metal chain guide skeleton, it is characterised in that: described Aqueous PUR dispersion is prepared according to the following steps:
(i) it will be fitted into the container for being furnished with thermometer, blender by the polyether polyol being dried, be added into container Toluene di-isocyanate(TDI) and be passed through nitrogen in 60-68 DEG C reaction 1-2 hours, then into container be added dropwise dissolved with dihydromethyl propionic acid N-methyl-2-pyrrolidone in 55-60 DEG C reaction 1.5-2 hours, obtain performed polymer；
(ii) 0 DEG C of deionized water and triethylamine high-speed stirred are added in another container, by step (i) performed polymer cooling obtained It is injected after to 40 ° wherein, dihydroxypropane and ethylenediamine chain extension is added after reacting 5-10min, dispersion reaction 15-18min can be obtained To aqueous PUR dispersion；
The modifying epoxy resin by organosilicon the preparation method is as follows:
Epoxy resin 6101 is dissolved in ethyl acetate solution, is added equipped with agitating device, reflux condenser and thermometer In three-necked flask, be first passed through condensed water, and be gradually heated to 85-90 DEG C, then sequentially add methyltriethoxysilane, go from Sub- water and catalyst, high-speed stirred, insulation reaction 3-5h, mixing speed 600-800r/min；
The preparation method of the bromine carbon poly urethane resin composite materials, specifically includes the following steps:
A., polyethylene glycol-400, trimethylolpropane and cyclohexanone are added to agitating and heating in the three-necked flask of 250ml, it is described Agitating device, water segregator agent condenser pipe, the reflux dewatering 2-3h at 130-140 DEG C are housed on three-necked flask；
When b. reducing temperature to 60-70 DEG C, 2,4- toluene di-isocyanate(TDI) is added, into three-necked flask with dewatered acetic acid fourth Ester is that solvent dissolves tetrabromobisphenol A at 30-35 DEG C to obtain tetrabromobisphenol A solution, and three mouthfuls of burnings are added in tetrabromobisphenol A solution In bottle, di-n-butyltin dilaurate is added dropwise into three-necked flask, agitating and heating reacts 20-30min at 70-75 DEG C；
C. cooled to room temperature after reaction, raw material dewatered in step a is added in three-necked flask, and add two Di-n-butyltin dilaurate reacts 15-20min at 60-65 DEG C, is cooled to room temperature discharging, obtains bromine carbon base polyurethane prepolymer for use as；
D. the base polyurethane prepolymer for use as being prepared is mixed into aromatic polyamide staple fiber, and be uniformly mixed, be then added 2,4- Toluene di-isocyanate(TDI) is uniformly mixed again, and the mixture of fiber and performed polymer is coated in model slot, the pre- sulphur at 75 DEG C It is spare after change 1-3h；
E. mold, and the coating polyethylene wax in mold are cleared up, and mold is preheated to 70-80 DEG C, by the fiber after presulfurization Molding in a mold is placed with pre-polymer mixture, temperature is risen to 125-140 DEG C, solidification, to mold cooled to room temperature When, demoulding obtains bromine carbon compound polyurethane material.
6. the adhesion technique of polyurethane rubber according to claim 1 and metal chain guide skeleton, it is characterised in that: step (5) second layer adhesive described in is C213 dilution, counts butanone in mass ratio in the C213 dilution: ethyl acetate: C213=1:1:4.
7. the adhesion technique of polyurethane rubber according to claim 1 and metal chain guide skeleton, it is characterised in that: step (5) second layer adhesive described in includes following components according to the mass fraction:
Methyl vinyl silicone rubber: 10-13 parts, water based acrylic resin: 20-25 parts, efficient levelling agent: 1-3 parts, resist quiet Electric agent: 0.2-0.5 parts, pigments and fillers: 4-6 parts, auxiliary material: 0.1-0.3 parts, 1,4-butanediol: 1-3 parts, heat stabilizer: 1-3 parts, change Property nano-aluminum hydroxide: 5-10 parts；
The auxiliary material is compound rare-earth, and the compound rare-earth is by by weight percentage comprising following component: Y:13-15%, Sc: 16-18%, Gd:9-11%, Sm:18-20%, Pr:9-11%, surplus La, the sum of the above components be 100% '
The efficient levelling agent is organic silicon modified by polyether, alkyl-modified organosilicon, fluorin modified crylic acid ester polymer, alkyl two At least one of phenyl oxide disulfonate, Span or polyoxyethylene sorbitan fatty acid ester；Institute Stating antistatic agent is at least one of anionic antistatic agent, cationic antistatic agent or non-ionic antistatic agent； The heat stabilizer is 2 ethyl hexanoic acid salt, phenates, benzoate or stearate；The pigments and fillers are composite iron-titanium Powder, crystal whisker of hexa potassium titanate, sepiolite, expanded vermiculite and glass powder mixture, wherein pigments and fillers are by composite iron-titanium powder, six metatitanic acids Potassium whisker, sepiolite, expanded vermiculite and glass powder 3:2:1-4:1:1 in mass ratio are mixed, the expanded vermiculite size For 200-220 mesh；The glass powder is one of lead glass powder, vanadium glass powder, boron glass powder or phosphoric acid glass powder or several Kind.
8. the adhesion technique of polyurethane rubber according to claim 7 and metal chain guide skeleton, it is characterised in that: described Water based acrylic resin the preparation method comprises the following steps:
N-butanol is added into the three-necked flask equipped with blender agent water-bath, 90-95 DEG C is heated up to, then by benzoyl peroxide first Acyl is dissolved in the mixed liquor of methyl methacrylate, hydroxy-ethyl acrylate, acryloid lauryl mercaptan, and by mixed liquor be added dropwise into In three-necked flask, dropwise addition maintains 3-4h completion, and controls temperature at 90-95 DEG C, after being added dropwise and keeping the temperature 1-2h, adds Benzoyl Oxide is simultaneously warming up to 100-110 DEG C, heat preservation 0.5-1h, and then triethylamine, adjusting is added dropwise to 35-45 DEG C in slow cooling PH value heats removed under reduced pressure partial solvent, finally, water dilution, which is added, obtains water based acrylic resin to 7.5-8.
9. the adhesion technique of polyurethane rubber according to claim 7 and metal chain guide skeleton, it is characterised in that: modified Nano-aluminum hydroxide the preparation method is as follows:
A. aluminium hydroxide powder ultrasonic disperse is carried out in n-butanol azeotropic distillation processing, system maintenance is increased to 117-120 DEG C when continue flow back 30-40min after terminate；
B. it is made into slurry in addition n-butanol through the distilled aluminium hydroxide of n-butanol, continues after heating to 70-75 DEG C, adds It is filtered and is washed after entering coupling agent modified 45-60min, finally obtain modified aluminum trihydroxide；
Wherein, the coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent.
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