CN110358490A - A kind of preparation method of footwear material adhesive - Google Patents
A kind of preparation method of footwear material adhesive Download PDFInfo
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- CN110358490A CN110358490A CN201910505993.0A CN201910505993A CN110358490A CN 110358490 A CN110358490 A CN 110358490A CN 201910505993 A CN201910505993 A CN 201910505993A CN 110358490 A CN110358490 A CN 110358490A
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- 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
- C09J11/06—Non-macromolecular additives organic
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- 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
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- 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
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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to a kind of preparation methods of footwear material adhesive, belong to footwear material technical field.The present invention is blended together by aqueous polyurethane emulsion and acrylic emulsion, EVA lotion, butyronitrile emulsion, neoprene latex, epoxy resin latex etc., the interface compatibility between surfactant improvement aqueous polyurethane emulsion and polymer emulsion is added, make two uniform component distributions, the glue film after drying is transparent and is not easily susceptible to cracking；The cross-linking modified method in present invention China and foreign countries is to use the curing agent of epoxy resin cladding cross-linking modified, and suitable modified firming agent is added in aqueous polyurethane host agent；The curing agent of use is polyisocyanates crosslinking agent, the active hydrogen of gluing substrate surface can be with-NCO group generation chemical crosslink reaction when use, bonding action and water resistance can be effectively improved, epoxy resin cladding polyisocyanates crosslinking agent is in order to be directly added into curing agent during the preparation process, to ensure the stability of footwear material adhesive storage.
Description
Technical field
The present invention relates to a kind of preparation methods of footwear material adhesive, belong to footwear material technical field.
Background technique
The generation of shoes is inseparable with the wisdom of natural environment, the mankind.Ancient times, soil are uneven, weather
In freezing winter and in sultry summer, the both feet of oneself are protected to human instinct, then there have been shoes.With the development of economy, footwear product
Significant progress is achieved, various functional footwear, such as playshoes, climbing boot, sport footwear occurs.
Polyurethanes adhesive has the characteristics that low temperature resistant, flexibility is good, adhesive property is strong and hardness adjustability is good,
Usage amount increases year by year in shoemaking industry.Adhesive for polyurethane on domestic market passes through toluene, diformazan based on solvent type
Benzene equal solvent is made with solution polymerization process, and a large amount of solvents in product can damage human body and ecological environment.In recent years, Europe
U.S. various countries are increasingly stringent about organic matter volatilization standard in chemical products, promote thoroughly environment-friendly type adhesives for shoes of new generation
Occur.Either external from domestic or state, research and development are used poly- with the comparable environment-friendly type shoes of solvent borne polyurethane adhesive property
Urethane adhesive have become shoemaking industry can sustainable development important symbol.With the development of society, aqueous polyurethane shoes
With adhesive it is universal be adhesives for shoes development inexorable trend.
Adhesive for polyurethane is warm mainly including polyisocyanates solvent adhesive at first in German Industrial the 1940s
Plastic polyurethane solvent adhesive, the single, double component solvent glue of response type, no-solvent type, water-dispersion type, hot melt type polyurethane glue etc..It is poly-
Urethane adhesive can have well a variety of substrates because containing a large amount of polar groups and active reactive group in its matrix resin molecule
Cementability.Its synthesis material and auxiliary agent are many kinds of, can synthesize and make performance change range pole from MOLECULE DESIGN
Big serial adhesive is able to satisfy the requirement of different substrate materials bonding and use condition, currently, the developed countries such as America and Europe are whole
Using adhesive for polyurethane as adhesives for shoes.
China's shoemaking mainly uses solvent type adhesive to be bonded footwear material, these conventional adhesives contain volatile organic matter
(VOCs) and hazardous air pollutants (HAPs) the problems such as, there is environmental pollutions, security risk.It is external for these problems
Many research institutions and company are just in all kinds of hot melts of Devoting Major Efforts To Developing and aqueous pollution-free adhesive for shoe use.It at present can success industry
Metaplasia produce the domestic and international company of aqueous adhesive for shoe use and few visible product in market mainly from Bayer, ICI and Spain
The fewer companies such as Merqninsa.Up to the present, the Research Literature of high solid content water polyurethane is rarely reported both at home and abroad,
Only a small number of patents can be looked into attached.Currently, being needed in the shoe making process using Virgin's milk glue adhesive agent, although white glue with vinyl price is just
Preferably, but it is not resistant to water, so waterproof requirement cannot be reached with the shoes of Virgin's milk glue sticking, it especially cannot function as that there is water-proof function
Labor protection shoes use.Therefore the generally existing low-solid content of aqueous polyurethane product of studies in China, the disadvantages of adhesive property is poor, develop
A kind of environmental protection and industrial shoes rubber cement of function admirable seems particularly critical.
Summary of the invention
The technical problems to be solved by the invention: for shoemaking adhesive waterproof performance and adhesive property are poor in the prior art
The problem of, provide a kind of preparation method of footwear material adhesive.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) extracting epoxy resin, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, triethylene four
Epoxy resin, triethylene tetramine and dehydrated alcohol are uniformly mixed to get lotion, curing agent polyisocyanate cyanogen are added in lotion by amine
Esters of gallic acid crosslinking agent and neopelex are stirred decentralized processing to get mixed emulsion, mixed emulsion are protected
Temperature reaction is cooled to room temperature to get suspension, suspension is filtered to get filter residue, after filter residue is carried out carrying out washing treatment,
And be dried, it is cooled to room temperature to get modified firming agent；
(2) aqueous polyaminoester emulsion, neoprene latex, modified firming agent, complexed surfactant, by aqueous polyurethane emulsion
It is mixed with neoprene latex, carries out high-speed stirred processing to get multiple emulsion, modified firming agent and multiple is added in multiple emulsion
Surfactant is closed, is stirred to get footwear material adhesive.
Epoxy resin described in step (1), curing agent polyisocyanates crosslinking agent, dehydrated alcohol, detergent alkylate sulphur
Ratio between sour sodium, triethylene tetramine is respectively as follows: according to parts by weight, weighs 10~20 parts of epoxy resin, 5~10 parts respectively
Curing agent polyisocyanates crosslinking agent, 20~30 parts of dehydrated alcohols, 1~3 part of neopelex, 0.2~0.4 part three
Ethylene tetramine.
Curing agent polyisocyanates crosslinking agent and neopelex is added described in step (1) in lotion,
It is stirred decentralized processing step are as follows: curing agent polyisocyanates crosslinking agent and dodecyl benzene sulfonic acid are added in lotion
Sodium, low whipping speed are to be dispersed with stirring 20~30min under 600~800r/min.
The step of mixed emulsion is subjected to insulation reaction described in step (1) are as follows: by mixed emulsion with the heating of 5 DEG C/min
Rate is warming up to 60~70 DEG C, 1~2h of insulation reaction.
Filter residue is subjected to carrying out washing treatment step described in step (1) are as follows: be washed with deionized filter residue 3~5 times.
Drying process step described in step (1) are as follows: be placed in the baking oven that temperature is 80 DEG C and dry to constant weight.
The preparation step of complexed surfactant described in step (2) are as follows: in mass ratio 1: 1 mixes sorbester p17 and polysorbas20
It closes uniformly to get complexed surfactant.
Aqueous polyurethane emulsion described in step (2), neoprene latex, modified firming agent, between complexed surfactant
Ratio be respectively as follows: according to parts by weight, weigh 20~30 parts of aqueous polyurethane emulsions, 8~12 parts of neoprene latex, 1 respectively
~3 parts of modified firming agents, 2~5 parts of complexed surfactants.
Aqueous polyurethane emulsion and neoprene latex are mixed described in step (2), carry out high-speed stirred processing step are as follows:
Aqueous polyurethane emulsion and neoprene latex are mixed, low whipping speed be high-speed stirred 20 under 3000~5000r/min~
40min。
Modified firming agent and complexed surfactant is added described in step (2) in multiple emulsion, is stirred
Step are as follows: modified firming agent and complexed surfactant are added in multiple emulsion, low whipping speed is under 600~800r/min
Stir 1~2h.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention combines blending modification method and the modified method of external crosslinking, prepares the shoes that waterproof performance is good and adhesive property is good
Material adhesive, blending modification method are by aqueous polyurethane emulsion and acrylic emulsion, EVA lotion, butyronitrile emulsion, chlorine
Fourth latex solution, epoxy resin latex etc. are blended together, not only improve performance in this way, but also reduce costs, wherein surface-active
The interface compatibility of agent being added between improvement aqueous polyurethane emulsion and polymer emulsion, makes two uniform component distributions,
Glue film after drying is transparent and is not easily susceptible to cracking, to improve the film performance of product；Polyurethane is by polyalcohol and polyisocyanate cyanogen
Acid esters occurs addition polymerization and forms, and the bases such as carbamate groups (- NHCOO-) and isocyanate group (- NCO) are contained in strand
Group；Since carbamate groups (- NHCOO-) and isocyanate group (- NCO) can react with the substance with active hydrogen, gather
Urethane can play the role of chemical bonding by addition reaction with it, and Chemical bonding is had excellent performance；In addition to bonding
Other than effect is good, adhesive for polyurethane is also adjustable with hardness, and mechanical performance is splendid, gluing simple process and resistance to low, high
The advantages that warm function admirable；
(2) the cross-linking modified method in present invention China and foreign countries is cross-linking modified using the curing agent of epoxy resin cladding, using situ aggregation method
Preparing epoxy resin cladding curing agent polyisocyanates crosslinking agent microcapsules makes epoxy resin using epoxy resin as wall material
The cladding for solidifying crosslinking and curing agent carries out simultaneously, forms one layer of fine and close macromolecule wall capsule on the surface of curing agent, will solidify
Agent core material close wherein, epoxy resin have good cohesiveness, electrical insulating property, stability (including chemical stability and heat it is steady
It is qualitative) and craftsmanship；Suitable modified firming agent is added in aqueous polyurethane host agent, adhesive strength can be significantly improved；It adopts
Curing agent is polyisocyanates crosslinking agent, and with-NCO group chemistry can occur for the active hydrogen of gluing substrate surface when use
Cross-linking reaction, can effectively improve solidification rate, bonding action and water resistance, and epoxy resin coats polyisocyanates crosslinking agent
It is in order to which curing agent can be directly added into during the preparation process, to ensure the stability of footwear material adhesive storage；
(3) epoxy resin in the present invention is polyol, and cementability is outstanding, intensity is high and thermal stability is good, can
The synthetic reaction for directly participating in aqueous polyurethane, forms reticular structure, can effectively enhance the gluing energy of Aqueous Polyurethane Adhesives
Power, and the mechanical property, heat resistance, water resistance of glue film is made to obtain larger raising, so that the footwear material of preparation is with adhesive with good
Good water resistance and caking property.
Specific embodiment
According to parts by weight, 10~20 parts of epoxy resin, 5~10 parts of curing agent polyisocyanates crosslinkings are weighed respectively
Agent, 20~30 parts of dehydrated alcohols, 1~3 part of neopelex, 0.2~0.4 part of triethylene tetramine, by epoxy resin, three
Ethylene tetramine and dehydrated alcohol are uniformly mixed to get lotion, and curing agent polyisocyanates crosslinking agent and ten is added in lotion
Dialkyl benzene sulfonic acids sodium, low whipping speed are to be dispersed with stirring 20~30min under 600~800r/min to get mixed emulsion, will be mixed
It closing lotion and is warming up to 60~70 DEG C with the heating rate of 5 DEG C/min, 1~2h of insulation reaction is cooled to room temperature to get suspension,
Suspension is filtered to get filter residue, is washed with deionized filter residue 3~5 times, is placed in the baking oven that temperature is 80 DEG C and does
It is dry to constant weight, be cooled to room temperature to get modified firming agent；In mass ratio 1: 1 is uniformly mixed sorbester p17 and polysorbas20 to get multiple
Close surfactant；According to parts by weight, 20~30 parts of aqueous polyurethane emulsions, 8~12 parts of neoprene latex, 1 are weighed respectively
Aqueous polyurethane emulsion and neoprene latex are mixed, are being stirred by~3 parts of modified firming agents, 2~5 parts of complexed surfactants
Speed is that 20~40min of high-speed stirred is added modified solid to get multiple emulsion in multiple emulsion under 3000~5000r/min
Agent and complexed surfactant, low whipping speed are that 1~2h is stirred under 600~800r/min to get footwear material adhesive.
Example 1
Extracting epoxy resin, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, triethylene tetramine,
Epoxy resin, triethylene tetramine and dehydrated alcohol are uniformly mixed to get lotion, curing agent polyisocyanates is added in lotion
Class crosslinking agent and neopelex are stirred decentralized processing to get mixed emulsion, mixed emulsion keep the temperature anti-
It answers, is cooled to room temperature to get suspension, suspension is filtered to get filter residue, after filter residue is carried out carrying out washing treatment, and is done
Dry processing, is cooled to room temperature to get modified firming agent；It is aqueous polyaminoester emulsion, neoprene latex, modified firming agent, compound
Surfactant mixes aqueous polyurethane emulsion and neoprene latex, carries out high-speed stirred processing to get multiple emulsion,
Modified firming agent and complexed surfactant are added in multiple emulsion, is stirred to get footwear material adhesive.Asphalt mixtures modified by epoxy resin
Rouge, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, the ratio point between triethylene tetramine
Not are as follows: according to parts by weight, weigh 10 parts of epoxy resin, 5 parts of curing agent polyisocyanates crosslinking agents, 20 parts of anhydrous second respectively
Alcohol, 1 part of neopelex, 0.2 part of triethylene tetramine.In lotion be added curing agent polyisocyanates crosslinking agent and
Neopelex is stirred decentralized processing step are as follows: curing agent polyisocyanates crosslinking agent is added in lotion
And neopelex, low whipping speed are to be dispersed with stirring 20min under 600r/min.Mixed emulsion is subjected to insulation reaction
The step of are as follows: mixed emulsion is warming up to 60 DEG C with the heating rate of 5 DEG C/min, insulation reaction 1h.Filter residue is subjected to washup
Manage step are as follows: be washed with deionized filter residue 3 times.It is dried step are as follows: be placed in the baking oven that temperature is 80 DEG C and dry to perseverance
Weight.The preparation step of complexed surfactant are as follows: in mass ratio 1: 1 is uniformly mixed sorbester p17 and polysorbas20 to get composite table
Face activating agent.Aqueous polyurethane emulsion, neoprene latex, modified firming agent, the ratio between complexed surfactant are respectively as follows:
According to parts by weight, 20 parts of aqueous polyurethane emulsions, 8 parts of neoprene latex, 1 part of modified firming agent, 2 parts of composite tables are weighed respectively
Face activating agent.Aqueous polyurethane emulsion and neoprene latex are mixed, carry out high-speed stirred processing step are as follows: by aqueous polyurethane
Lotion and neoprene latex mixing, low whipping speed are high-speed stirred 20min under 3000r/min.It is added and changes in multiple emulsion
Property curing agent and complexed surfactant, be stirred step are as follows: modified firming agent and compound is added in multiple emulsion
Surfactant, low whipping speed are to stir 1h under 600r/min.
Example 2
Extracting epoxy resin, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, triethylene tetramine,
Epoxy resin, triethylene tetramine and dehydrated alcohol are uniformly mixed to get lotion, curing agent polyisocyanates is added in lotion
Class crosslinking agent and neopelex are stirred decentralized processing to get mixed emulsion, mixed emulsion keep the temperature anti-
It answers, is cooled to room temperature to get suspension, suspension is filtered to get filter residue, after filter residue is carried out carrying out washing treatment, and is done
Dry processing, is cooled to room temperature to get modified firming agent；It is aqueous polyaminoester emulsion, neoprene latex, modified firming agent, compound
Surfactant mixes aqueous polyurethane emulsion and neoprene latex, carries out high-speed stirred processing to get multiple emulsion,
Modified firming agent and complexed surfactant are added in multiple emulsion, is stirred to get footwear material adhesive.Asphalt mixtures modified by epoxy resin
Rouge, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, the ratio point between triethylene tetramine
Not are as follows: according to parts by weight, weigh 15 parts of epoxy resin, 7 parts of curing agent polyisocyanates crosslinking agents, 25 parts of anhydrous second respectively
Alcohol, 2 parts of neopelexes, 0.3 part of triethylene tetramine.In lotion be added curing agent polyisocyanates crosslinking agent and
Neopelex is stirred decentralized processing step are as follows: curing agent polyisocyanates crosslinking agent is added in lotion
And neopelex, low whipping speed are to be dispersed with stirring 25min under 700r/min.Mixed emulsion is subjected to insulation reaction
The step of are as follows: mixed emulsion is warming up to 65 DEG C with the heating rate of 5 DEG C/min, insulation reaction 1.5h.Filter residue is washed
Processing step are as follows: be washed with deionized filter residue 4 times.It is dried step are as follows: be placed in the baking oven that temperature is 80 DEG C and dry extremely
Constant weight.The preparation step of complexed surfactant are as follows: in mass ratio 1: 1 is uniformly mixed sorbester p17 and polysorbas20 to get compound
Surfactant.Aqueous polyurethane emulsion, neoprene latex, modified firming agent, the ratio difference between complexed surfactant
Are as follows: according to parts by weight, weigh respectively 25 parts of aqueous polyurethane emulsions, 10 parts of neoprene latex, 2 parts of modified firming agents, 4 parts it is multiple
Close surfactant.Aqueous polyurethane emulsion and neoprene latex are mixed, high-speed stirred processing step is carried out are as follows: will be aqueous poly-
Urethane lotion and neoprene latex mixing, low whipping speed are high-speed stirred 30min under 4000r/min.Add in multiple emulsion
Enter modified firming agent and complexed surfactant, be stirred step are as follows: in multiple emulsion be added modified firming agent and
Complexed surfactant, low whipping speed are to stir 1.5h under 700r/min.
Example 3
Extracting epoxy resin, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, triethylene tetramine,
Epoxy resin, triethylene tetramine and dehydrated alcohol are uniformly mixed to get lotion, curing agent polyisocyanates is added in lotion
Class crosslinking agent and neopelex are stirred decentralized processing to get mixed emulsion, mixed emulsion keep the temperature anti-
It answers, is cooled to room temperature to get suspension, suspension is filtered to get filter residue, after filter residue is carried out carrying out washing treatment, and is done
Dry processing, is cooled to room temperature to get modified firming agent；It is aqueous polyaminoester emulsion, neoprene latex, modified firming agent, compound
Surfactant mixes aqueous polyurethane emulsion and neoprene latex, carries out high-speed stirred processing to get multiple emulsion,
Modified firming agent and complexed surfactant are added in multiple emulsion, is stirred to get footwear material adhesive.Asphalt mixtures modified by epoxy resin
Rouge, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, the ratio point between triethylene tetramine
Not are as follows: according to parts by weight, weigh respectively 20 parts of epoxy resin, 10 parts of curing agent polyisocyanates crosslinking agents, 30 parts it is anhydrous
Ethyl alcohol, 3 parts of neopelexes, 0.4 part of triethylene tetramine.Curing agent polyisocyanates crosslinking agent is added in lotion
And neopelex, it is stirred decentralized processing step are as follows: the crosslinking of curing agent polyisocyanates is added in lotion
Agent and neopelex, low whipping speed are to be dispersed with stirring 30min under 800r/min.Mixed emulsion keep the temperature anti-
The step of answering are as follows: mixed emulsion is warming up to 70 DEG C with the heating rate of 5 DEG C/min, insulation reaction 2h.Filter residue is washed
Processing step are as follows: be washed with deionized filter residue 5 times.It is dried step are as follows: be placed in the baking oven that temperature is 80 DEG C and dry extremely
Constant weight.The preparation step of complexed surfactant are as follows: in mass ratio 1: 1 is uniformly mixed sorbester p17 and polysorbas20 to get compound
Surfactant.Aqueous polyurethane emulsion, neoprene latex, modified firming agent, the ratio difference between complexed surfactant
Are as follows: according to parts by weight, weigh respectively 30 parts of aqueous polyurethane emulsions, 12 parts of neoprene latex, 3 parts of modified firming agents, 5 parts it is multiple
Close surfactant.Aqueous polyurethane emulsion and neoprene latex are mixed, high-speed stirred processing step is carried out are as follows: will be aqueous poly-
Urethane lotion and neoprene latex mixing, low whipping speed are high-speed stirred 40min under 5000r/min.Add in multiple emulsion
Enter modified firming agent and complexed surfactant, be stirred step are as follows: in multiple emulsion be added modified firming agent and
Complexed surfactant, low whipping speed are to stir 2h under 800r/min.
Footwear material prepared by the present invention adhesive and commercially available adhesive are detected, specific testing result such as following table table
1:
Detection method:
Adhesive property test
Referring to GB/T2791-1995, makees substrate with the fibre-reinforced PVC of 0.25mm thickness, is cut into the bulk of 250mm × 300mm,
Surface is wiped clear with acetone, is applied footwear material adhesive with streaky metal bar on PVC after the cleaning, the length of painting is
150mm.The PVC for being coated with footwear material adhesive is dried in 65 DEG C of baking ovens, is then bonded the PVC of same two blocks of gluings, is added
The pressure of 0.1MPa.The sample bonded is cut into the bar-shaped sample of 25mm × l50mm with paper knife, surveys after being placed at room temperature for 7 days
Examination.T- peel strength test is carried out in the AG-1 type universal electrical tension tester of Japanese Shimadzu Corporation, speed 200mm/min
Water resistance test
Dry aqueous polyurethane film is taken, clip 5cm × 5cm size is put into distilled water to impregnate at room temperature and take out afterwards for 24 hours,
It weighs after blotting surface washmarking rapidly with filter paper, water absorption rate is calculated as follows:
Water absorption rate=[(m-m0)/m0]×100%
In formula: m0, m be respectively that film impregnates forward and backward quality.
1 footwear material of table is characterized with adhesive property
Footwear material adhesive prepared by the present invention as shown in Table 1, initial bonding strength is strong, and final peel strength is high, shows invention system
The fabulous adhesive property of standby footwear material adhesive, and water absorption rate is low, waterproof performance is good, has a vast market value and application
Prospect.
Claims (10)
1. a kind of preparation method of footwear material adhesive, it is characterised in that specific preparation step are as follows:
(1) extracting epoxy resin, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, triethylene four
Epoxy resin, triethylene tetramine and dehydrated alcohol are uniformly mixed to get lotion, curing agent polyisocyanate cyanogen are added in lotion by amine
Esters of gallic acid crosslinking agent and neopelex are stirred decentralized processing to get mixed emulsion, mixed emulsion are protected
Temperature reaction is cooled to room temperature to get suspension, suspension is filtered to get filter residue, after filter residue is carried out carrying out washing treatment,
And be dried, it is cooled to room temperature to get modified firming agent；
(2) aqueous polyaminoester emulsion, neoprene latex, modified firming agent, complexed surfactant, by aqueous polyurethane emulsion
It is mixed with neoprene latex, carries out high-speed stirred processing to get multiple emulsion, modified firming agent and multiple is added in multiple emulsion
Surfactant is closed, is stirred to get footwear material adhesive.
2. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (1)
Epoxy resin, curing agent polyisocyanates crosslinking agent, dehydrated alcohol, neopelex, between triethylene tetramine
Ratio is respectively as follows: according to parts by weight, weighs 10~20 parts of epoxy resin respectively, 5~10 parts of curing agent polyisocyanates are handed over
Join agent, 20~30 parts of dehydrated alcohols, 1~3 part of neopelex, 0.2~0.4 part of triethylene tetramine.
3. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (1)
Curing agent polyisocyanates crosslinking agent and neopelex are added in lotion, is stirred decentralized processing step
Are as follows: it is added curing agent polyisocyanates crosslinking agent and neopelex in lotion, low whipping speed is 600~
20~30min is dispersed with stirring under 800r/min.
4. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (1)
The step of mixed emulsion is subjected to insulation reaction are as follows: mixed emulsion is warming up to 60~70 DEG C with the heating rate of 5 DEG C/min, is protected
1~2h of temperature reaction.
5. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (1)
Filter residue is subjected to carrying out washing treatment step are as follows: be washed with deionized filter residue 3~5 times.
6. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (1)
It is dried step are as follows: be placed in the baking oven that temperature is 80 DEG C and dry to constant weight.
7. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (2)
The preparation step of complexed surfactant are as follows: in mass ratio 1: 1 is uniformly mixed living to get composite surface by sorbester p17 and polysorbas20
Property agent.
8. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (2)
Aqueous polyurethane emulsion, neoprene latex, modified firming agent, the ratio between complexed surfactant are respectively as follows: by weight
Number meter, weighs 20~30 parts of aqueous polyurethane emulsions, 8~12 parts of neoprene latex, 1~3 part of modified firming agent, 2~5 parts respectively
Complexed surfactant.
9. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (2)
Aqueous polyurethane emulsion and neoprene latex are mixed, carry out high-speed stirred processing step are as follows: by aqueous polyurethane emulsion and chlorine
The mixing of fourth latex solution, low whipping speed are 20~40min of high-speed stirred under 3000~5000r/min.
10. a kind of preparation method of footwear material adhesive according to claim 1, it is characterised in that: described in step (2)
Modified firming agent and complexed surfactant are added in multiple emulsion, is stirred step are as follows: adds in multiple emulsion
Enter modified firming agent and complexed surfactant, low whipping speed is that 1~2h is stirred under 600~800r/min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881368A (en) * | 2021-09-07 | 2022-01-04 | 山纳合成橡胶有限责任公司 | Chloroprene latex adhesive for mica tape and preparation method thereof |
| CN116970361A (en) * | 2023-08-04 | 2023-10-31 | 浙江映甫防护科技有限公司 | Waterborne polyurethane colloid, preparation method thereof and application of waterborne polyurethane colloid |
| CN117901524A (en) * | 2024-03-19 | 2024-04-19 | 佛山市奥川顺新材料实业有限公司 | PET-PMMA composite protective film and preparation method thereof |
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| CN105017993A (en) * | 2015-08-10 | 2015-11-04 | 万华化学（广东）有限公司 | Aqueous binder for vulcanized shoe and preparation method of aqueous binder |
| CN105419681A (en) * | 2015-05-04 | 2016-03-23 | 湖南工业大学 | Aqueous binder suitable for binding leather and flannelet |
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| CN102559123A (en) * | 2011-12-15 | 2012-07-11 | 成都富路其鞋业有限公司 | Water-based adhesive for shoes |
| CN105419681A (en) * | 2015-05-04 | 2016-03-23 | 湖南工业大学 | Aqueous binder suitable for binding leather and flannelet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881368A (en) * | 2021-09-07 | 2022-01-04 | 山纳合成橡胶有限责任公司 | Chloroprene latex adhesive for mica tape and preparation method thereof |
| CN116970361A (en) * | 2023-08-04 | 2023-10-31 | 浙江映甫防护科技有限公司 | Waterborne polyurethane colloid, preparation method thereof and application of waterborne polyurethane colloid |
| CN116970361B (en) * | 2023-08-04 | 2024-02-09 | 浙江映甫防护科技有限公司 | Waterborne polyurethane colloid, preparation method thereof and application of waterborne polyurethane colloid |
| CN117901524A (en) * | 2024-03-19 | 2024-04-19 | 佛山市奥川顺新材料实业有限公司 | PET-PMMA composite protective film and preparation method thereof |
| CN117901524B (en) * | 2024-03-19 | 2024-06-04 | 佛山市奥川顺新材料实业有限公司 | PET-PMMA composite protective film and preparation method thereof |
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