CN109722193A - A kind of machine tool guideway special glue and its preparation process - Google Patents
A kind of machine tool guideway special glue and its preparation process Download PDFInfo
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Abstract
The invention discloses a kind of machine tool guideway special glue and its preparation processes, are related to guide rail glue technical field, solve the problems, such as that deposition is easy to produce because of the toughening material in Machine tool glue injection guide rail composite material causes toughness after its integrally curing bad.It includes independent saves and when use is 1:(0.5~0.8 by ratio of weight and the number of copies) the ratio component A and B component that are mixed, in parts by weight, the composition of component A includes following raw material: 40~50 parts of epoxy resin；5~8 parts of liquid nbr carboxyl terminal；2~4 parts of diluent；5~7 parts of magnesium borate crystal whisker；4~8 parts of hydroxyapatite crystal whisker；The composition of B component includes following raw material: 40~50 parts of curing agent；10~15 parts of promotor；In the raw material of component A and B component comprising parts by weight be 30~40 parts of silica flour and 2~4 parts of defoaming agent.Machine tool guideway special glue has good toughness after curing molding in the present invention, and is not susceptible to be broken in use.
Description
Technical field
The present invention relates to guide rail glue technical fields, more specifically, it relates to a kind of machine tool guideway special glue and its system
Standby technique.
Background technique
Guide rail special glue is that polytetrafluoroethylene (PTFE) guide-soft-band is bonded on guide pass, and guide-soft-band is enable to effectively improve
Guide rail accuracy is reduced by destruction mechanical and that lubrication is caused, and the service life of prolonged mechanical element saves the energy and improvement
Mucosity.
Machine tool glue injection guide rail composite material is disclosed in the Chinese invention patent of Publication No. CN102618186A, it is described
Composite material is that 0.83% tungsten-cobalt alloy of guide rail glue total weight and 2.33% silica flour are added in TS312 type guide rail glue,
Addition TS312 included coagulator after mixing evenly, stirs evenly, can injecting glue.
In above-mentioned patent, silica flour has very high hardness, wearability and chemical stability, and tungsten-cobalt alloy powder has very high
Bending strength, tensile strength and impact flexibility so that using the improvement glue injection guide rail of composite material of the present invention, with being better than
Tensile strength, the impact flexibility of other forms guide rail.But tungsten-cobalt alloy powder is composed of tungsten carbide and metallic cobalt, is easy
It is deposited in Machine tool glue injection guide rail composite material, leads to the whole toughness after hardening of Machine tool glue injection guide rail composite material not
It is good, it is locally easy to happen fracture, it is, therefore, desirable to provide a kind of new scheme solves the above problems.
Summary of the invention
For causing its whole because the toughening material in Machine tool glue injection guide rail composite material is easy to produce deposition in the prior art
The bad problem of toughness after body solidifies, the purpose of the present invention one are to provide a kind of machine tool guideway special glue, by the way that boric acid is added
Magnesium whisker and hydroxyapatite crystal whisker have good toughness, and have to solve the above technical problems after curing molding
Good stability, and be not susceptible to be broken in use.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of machine tool guideway special glue, including individually saving and when use is 1:(0.5~0.8 by ratio of weight and the number of copies) ratio into
Row mixed component A and B component, in parts by weight, the composition of the component A includes following raw material:
40~50 parts of epoxy resin；
5~8 parts of liquid nbr carboxyl terminal；
2~4 parts of diluent；
5~7 parts of magnesium borate crystal whisker；
4~8 parts of hydroxyapatite crystal whisker；
The composition of the B component includes following raw material:
40~50 parts of curing agent；
10~15 parts of promotor；
In the raw material of the component A and B component comprising parts by weight be 30~40 parts of silica flour and 2~4 parts of defoaming agent.
By using above-mentioned technical proposal, epoxy resin not only has the characteristics that closely knit, water resistant, anti-leakage are good, intensity is high,
There is the good craftsmanships such as adhesive force strong, normal-temperature operation, easy construction simultaneously.Liquid nbr carboxyl terminal makes a kind of good
Toughener, have good cementability and resistance to ag(e)ing, and make machine tool guideway special glue after curing molding have it is good
Wearability and tearing strength.
A certain amount of diluent is added in component A and B component, to increase its mobility and permeability, makes machine tool guideway
Special glue maintains within the scope of suitable viscosity, is conducive to carry out subsequent operation and defoaming.Promotor can make machine tool guideway special
It is improved with the adhesive strength between glue and adherend, and improves its whole adhesive force, and curing agent consolidating for epoxy resin
Change, heat-resisting excellent solidfied material can be obtained by making epoxy resin embedding adhesive after use.Defoaming agent has good defoaming effect,
Make component A and B component when being used in mixed way, can be avoided and generate larger bubble in the curing process, makes machine tool guideway special glue
There is well stable toughness after curing molding.
Magnesium borate crystal whisker has high intensity, high elastic modulus, high rigidity, high temperature resistant, corrosion-resistant and good mechanical strength
It can be well dispersed in machine tool guideway special glue with excellent properties such as electrical insulating properties in a solvent with good dispersibility,
Make machine tool guideway special glue that there is good toughness after curing molding.Hydroxyapatite crystal whisker has lower dislocation density,
Higher tensile property, can also improve overall flexibility of the machine tool guideway special glue after curing molding, and hydroxyapatite crystal whisker
It is capable of forming solid netted skeleton in machine tool guideway special glue with magnesium borate crystal whisker, and is dispersed with silica flour in three-dimensional framework,
Greatly improve machine tool guideway special glue in curing molding rear stability and toughness.
Further preferably, the silica flour is modified processing, and the step of modification is as follows:
S1, the silica flour for taking corresponding parts by weight are heated to 120~160 DEG C, and being added with its weight fraction ratio is 1:(0.02
~0.05) phenolic resin is stirred mixing；
S2, in silica flour and phenolic resin during being stirred, sequentially add with phenolic resin weight portion rate be 1:
The methenamine of (3~5) makes methenamine be distributed in the surface of silica flour；
S3, add with phenolic resin weight portion rate be 1:(6~8) calcium stearate, discharge after mixing, obtain mixture；
S4, mixture is crushed, and is sieved with the sieve of 800~1000 mesh, then obtain modified silica flour after cooling down.
By using above-mentioned technical proposal, phenolic resin can be coated on the surfaces of quartzy powder particles after being propagandized hotly softening,
And become glutinous with the reduction of temperature, methenamine is added at this time, the phenolic resin curing of silica flour particle surface can be made, and
Calcium stearate is added, phenolic resin can be prevented blocking after hardening.Obtained modified silica flour through the above steps, with original
There is good compatibility between other components in material, and can be well dispersed in machine tool guideway special glue, modified silica flour
Intensity of the machine tool guideway special glue after curing molding can not only be improved, moreover it is possible to make each raw material component tightly be bonded in one
It rises, makes machine tool guideway special glue that there is good toughness after curing molding.
Further preferably, it is also separately added into the additive that parts by weight are 3~6 parts in the component A and B component,
Additive is made of polyamide wax and vinyltrimethoxysilane, and the weight of polyamide wax and vinyltrimethoxysilane
Portion rate is 1:(0.3~0.7).
By using above-mentioned technical proposal, polyamide wax is a kind of good anti-settling agent, can not only improve lathe and lead
The whole viscosity of rail special glue, additionally it is possible to prevent silica flour, hydroxyapatite crystal whisker and magnesium borate crystal whisker dedicated in machine tool guideway
Glue generates sedimentation, keeps machine tool guideway special glue with good stability after curing molding and toughness.And vinyl trimethoxy
Base silane is a kind of good silane coupling agent, can generate chemisorption with the silica in silica flour, and can reduce
The surface energy of quartz, and then improve the adhesive strength of machine tool guideway special glue.
The further preferably described diluent selects acetone, dimethylbenzene, n-butanol or phenyl glycidyl ether.
By using above-mentioned technical proposal, acetone, dimethylbenzene and n-butanol are non-activated thinner, phenyl glycidyl
Ether is reactive diluent, and epoxy resin is used alone, and viscosity significantly increases after silica flour is added, and is unfavorable for operating and defoam, adds
Enter a certain amount of above-mentioned diluent, to increase its mobility and permeability, convenient for the mixing of each raw material component, and phenyl glycidyl is sweet
Oily ether will participate in reaction during diluting component A, moreover it is possible to play toughening effect, make machine tool guideway special glue after curing molding
Toughness greatly improve.
Further preferably, the promotor selects acrylic resin, terpene resin or hydrogenated rosin resin.
By using above-mentioned technical proposal, acrylic resin, terpene resin and hydrogenated rosin resin by diffusion into the surface or
Wet gluing of surfaces is spread in inside, greatly improves intensity be bonded between machine tool guideway special glue and adherend, and acrylic acid
The surface tension of resin, terpene resin and hydrogenated rosin resin is low, and bubble is not likely to produce in the mixed process of component A and B component
Foam, and there is good compatibility between each raw material component in machine tool guideway special glue, be conducive to keep machine tool guideway dedicated
Glue has good using effect, and with good stability after curing molding.
Further preferably, the curing agent selects liquid methyl tetrabydrophthalic anhydride, liquid methyl hexahydro neighbour's benzene
Dicarboxylic acid anhydride or hexahydrophthalic anhydride.
By using above-mentioned technical proposal, liquid methyl tetrabydrophthalic anhydride, liquid methyl hexahydrophthalic acid
The reactivity of acid anhydride and hexahydrophthalic anhydride is high, make machine tool guideway special glue under room temperature or low temperature can with rapid curing,
And still there is good curability in humid conditions, and toughness of the machine tool guideway special glue after curing molding and resistance to can be improved
It is hot.
Further preferably, the defoaming agent selects silicone emulsion, polypropylene glycerol aether or dimethyl silicone polymer.
By using above-mentioned technical proposal, in the mixed process of component A and B component, due to stirring, make air be easy into
Enter machine tool guideway special glue inside formed micro-bubble, when machine tool guideway special glue in the curing process, machine tool guideway is dedicated
Small blistering inside glue, which is easy to happen, to be migrated and condenses together to form biggish bubble, and defoaming agent has good removal
The effect of bubble makes inside of the machine tool guideway special glue after curing molding be less prone to biggish bubble, and in use process
In there is well stable toughness, and be not likely to produce local fracture.
The purpose of the present invention two is to provide a kind of preparation process of machine tool guideway special glue, using the machine of this method preparation
Bed guide rail special glue has good toughness after curing molding, and is not susceptible to local fracture in use.
To achieve the above object two, the present invention provides following technical solutions, comprising the following steps:
Step 1 carries out the epoxy resin, diluent and liquid nbr carboxyl terminal of corresponding parts by weight after mixing,
The magnesium borate crystal whisker and hydroxyapatite crystal whisker for adding corresponding parts by weight carry out ultrasonic disperse mixing, are eventually adding corresponding weight
The defoaming agent and silica flour for measuring number, 90~120 DEG C at a temperature of carry out uniformly mixed, obtain component A, store for future use；
Step 2 carries out the curing agent of corresponding parts by weight and promotor after mixing, to sequentially add corresponding parts by weight
Defoaming agent and silica flour, 70~85 DEG C at a temperature of carry out uniformly mixed, obtain B component, store for future use.
By using above-mentioned technical proposal, be conducive to make the raw material in component A and B component to be sufficiently mixed, be added
Magnesium borate crystal whisker and hydroxyapatite crystal whisker carry out ultrasonic disperse mixing, are conducive to make magnesium borate crystal whisker and hydroxyapatite crystal whisker
It adequately spreads out, and is capable of forming stable solid netted skeleton, and be conducive to that silica flour is made to be dispersed in solid netted bone
In frame, make machine tool guideway special glue that there is good toughness after curing molding, it is with good stability in use,
And it is not susceptible to local fracture.
In conclusion compared with prior art, the invention has the following advantages:
(1) hydroxyapatite crystal whisker and magnesium borate crystal whisker is added, is conducive to improve machine tool guideway special glue after curing molding
Toughness, and hydroxyapatite crystal whisker and magnesium borate crystal whisker are capable of forming solid netted skeleton in machine tool guideway special glue, and stone
English powder is dispersed in solid netted skeleton, greatly improves machine tool guideway special glue in curing molding rear stability and toughness, and
It is not susceptible to local fracture；
(2) processing is modified to silica flour, phenolic resin is made to be coated on the surface of silica flour, made in modified silica flour and raw material
Other components between have good compatibility, it is strong after curing molding that machine tool guideway special glue can not only be improved
Degree, moreover it is possible to make each raw material component bonding together tightly, there is machine tool guideway special glue after curing molding good tough
Property；
(3) additive being made of polyamide wax and vinyltrimethoxysilane is also separately added into component A and B component,
It can not only prevent silica flour, hydroxyapatite crystal whisker and magnesium borate crystal whisker from generating sedimentation in machine tool guideway special glue, moreover it is possible to make
Machine tool guideway special glue is with good stability after curing molding and toughness, and improves machine tool guideway special glue when in use
Adhesive strength.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of machine tool guideway special glue in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of machine tool guideway special glue, including individually saving and when use is 1:0.5's by ratio of weight and the number of copies
The component A and B component that ratio is mixed, each component raw material and its corresponding parts by weight are as shown in table 1, and by walking as follows
Suddenly it prepares:
The epoxy resin, acetone and liquid nbr carboxyl terminal of corresponding parts by weight are put into agitator and carry out by step 1
It is uniformly mixed, revolving speed 800rpm, time 3h, adds the magnesium borate crystal whisker and hydroxyapatite of corresponding parts by weight
Whisker carries out ultrasonic disperse mixing 30min, the silicone emulsion and silica flour of corresponding parts by weight is eventually adding, in 100 DEG C of temperature
Mixing, revolving speed 1500rpm are stirred under degree, time 1.5h obtains component A, stores for future use；
Step 2, by the liquid methyl tetrabydrophthalic anhydride and acrylic resin of corresponding parts by weight be put into agitator into
Row is uniformly mixed, and revolving speed 1000rpm, time 1h sequentially add the silicone emulsion and silica flour of corresponding parts by weight,
80 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, time 1.5h obtains B component, stores for future use.
Embodiment 2-8: a kind of machine tool guideway special glue, difference from example 1 is that, each component raw material and its phase
The parts by weight answered are as shown in table 1.
Each component raw material and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of machine tool guideway special glue, difference from example 1 is that, the silica flour is modified place
Reason, and the step of modification is as follows:
S1, the silica flour for taking corresponding parts by weight are heated to 120 DEG C, and the phenolic aldehyde for being 1:0.02 with its weight fraction ratio is added
Resin is stirred mixing in sand mixer；
S2, in silica flour and phenolic resin during being stirred, sequentially add with phenolic resin weight portion rate be 1:3
Methenamine, so that methenamine is distributed in the surface of silica flour；
S3, the calcium stearate for being 1:6 with phenolic resin weight portion rate is added, discharges after mixing, obtains mixture；
S4, mixture is crushed with jaw crusher, and is sieved with the sieve of 800 mesh, changed after standing cooling
Property silica flour.
Embodiment 10: a kind of machine tool guideway special glue, difference from example 1 is that, the silica flour is changed
Property processing, and the step of modification is as follows:
S1, the silica flour for taking corresponding parts by weight are heated to 160 DEG C, and the phenolic aldehyde for being 1:0.05 with its weight fraction ratio is added
Resin is stirred mixing in sand mixer；
S2, in silica flour and phenolic resin during being stirred, sequentially add with phenolic resin weight portion rate be 1:5
Methenamine, so that methenamine is distributed in the surface of silica flour；
S3, the calcium stearate for being 1:8 with phenolic resin weight portion rate is added, discharges after mixing, obtains mixture；
S4, mixture is crushed with jaw crusher, and is sieved with the sieve of 1000 mesh, changed after standing cooling
Property silica flour.
Embodiment 11: a kind of machine tool guideway special glue, difference from example 1 is that, the silica flour is changed
Property processing, and the step of modification is as follows:
S1, the silica flour for taking corresponding parts by weight are heated to 140 DEG C, and the phenolic aldehyde for being 1:0.03 with its weight fraction ratio is added
Resin is stirred mixing in sand mixer；
S2, in silica flour and phenolic resin during being stirred, sequentially add with phenolic resin weight portion rate be 1:4
Methenamine, so that methenamine is distributed in the surface of silica flour；
S3, the calcium stearate for being 1:7 with phenolic resin weight portion rate is added, discharges after mixing, obtains mixture；
S4, mixture is crushed with jaw crusher, and is sieved with the sieve of 900 mesh, changed after standing cooling
Property silica flour.
Embodiment 12: a kind of machine tool guideway special glue, with embodiment 11 the difference is that comprising individually save and
By ratio of weight and the number of copies it is the component A and B component that the ratio of 1:0.65 is mixed when use, is prepared especially by following steps
And it obtains:
Epoxy resin, 2 parts of acetone and 8 parts of liquid nbr carboxyl terminals that corresponding parts by weight are 40 parts are put by step 1
It is stirred uniformly mixed, revolving speed 800rpm, time 3h in agitator, adds the boric acid that corresponding parts by weight are 7 parts
Magnesium whisker and 4 parts of hydroxyapatite crystal whisker carry out ultrasonic disperse mixing 30min, and being eventually adding corresponding parts by weight is 2 parts of creams
SiClx oil, 40 parts of silica flours and the additive with 3 parts, 100 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, when
Between be 1.5h, obtain component A, store for future use；
Corresponding parts by weight are that 40 parts of liquid methyl tetrabydrophthalic anhydrides and 15 parts of acrylic resins are put into and stir by step 2
It mixes and is stirred uniformly mixed, revolving speed 1000rpm, time 1h in bucket, sequentially add the emulsification that corresponding parts by weight are 2 parts
Silicone oil, 40 parts of silica flour and 3 parts of additives, 80 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, the time is
1.5h obtains B component, stores for future use；
Note: the additive in above-mentioned steps is made of polyamide wax and vinyltrimethoxysilane, and polyamide wax and ethylene
The weight fraction ratio of base trimethoxy silane is 1:0.3.
Embodiment 13: a kind of machine tool guideway special glue, with embodiment 12 the difference is that comprising individually save and
By ratio of weight and the number of copies it is the component A and B component that the ratio of 1:0.8 is mixed when use, is prepared especially by following steps
And it obtains:
Epoxy resin, 2 parts of acetone and 8 parts of liquid nbr carboxyl terminals that corresponding parts by weight are 40 parts are put by step 1
It is stirred uniformly mixed, revolving speed 800rpm, time 3h in agitator, adds the boric acid that corresponding parts by weight are 7 parts
Magnesium whisker and 4 parts of hydroxyapatite crystal whisker carry out ultrasonic disperse mixing 30min, and being eventually adding corresponding parts by weight is 2 parts of creams
SiClx oil, 40 parts of silica flours and the additive with 4.5 parts, 100 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm,
Time is 1.5h, obtains component A, is stored for future use；
Corresponding parts by weight are that 40 parts of liquid methyl tetrabydrophthalic anhydrides and 15 parts of acrylic resins are put into and stir by step 2
It mixes and is stirred uniformly mixed, revolving speed 1000rpm, time 1h in bucket, sequentially add the emulsification that corresponding parts by weight are 2 parts
Silicone oil, 40 parts of silica flour and 4.5 parts of additives, 80 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, time
For 1.5h, B component is obtained, is stored for future use；
Note: the additive in above-mentioned steps is made of polyamide wax and vinyltrimethoxysilane, and polyamide wax and ethylene
The weight fraction ratio of base trimethoxy silane is 1:0.5.
Embodiment 14: a kind of machine tool guideway special glue the difference is that, is walked with embodiment 12 especially by following
Suddenly it is prepared:
Epoxy resin, 2 parts of acetone and 8 parts of liquid nbr carboxyl terminals that corresponding parts by weight are 40 parts are put by step 1
It is stirred uniformly mixed, revolving speed 800rpm, time 3h in agitator, adds the boric acid that corresponding parts by weight are 7 parts
Magnesium whisker and 4 parts of hydroxyapatite crystal whisker carry out ultrasonic disperse mixing 30min, and being eventually adding corresponding parts by weight is 2 parts of creams
SiClx oil, 40 parts of silica flours and the additive with 6 parts, 100 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, when
Between be 1.5h, obtain component A, store for future use；
Corresponding parts by weight are that 40 parts of liquid methyl tetrabydrophthalic anhydrides and 15 parts of acrylic resins are put into and stir by step 2
It mixes and is stirred uniformly mixed, revolving speed 1000rpm, time 1h in bucket, sequentially add the emulsification that corresponding parts by weight are 2 parts
Silicone oil, 40 parts of silica flour and 6 parts of additives, 80 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, the time is
1.5h obtains B component, stores for future use；
Note: the additive in above-mentioned steps is made of polyamide wax and vinyltrimethoxysilane, and polyamide wax and ethylene
The weight fraction ratio of base trimethoxy silane is 1:0.7.
Embodiment 15: a kind of machine tool guideway special glue, with embodiment 14 the difference is that, in step 1 and step 2
Acetone replace with dimethylbenzene.
Embodiment 16: a kind of machine tool guideway special glue, with embodiment 14 the difference is that, in step 1 and step 2
Acetone replace with n-butanol.
Embodiment 17: a kind of machine tool guideway special glue, with embodiment 14 the difference is that, in step 1 and step 2
Acetone replace with phenyl glycidyl ether.
Embodiment 18: a kind of machine tool guideway special glue, with embodiment 17 the difference is that, in step 1 and step 2
Acrylic resin replace with terpene resin.
Embodiment 19: a kind of machine tool guideway special glue, with embodiment 17 the difference is that, in step 1 and step 2
Acrylic resin replace with hydrogenated rosin resin.
Embodiment 20: a kind of machine tool guideway special glue, with embodiment 19 the difference is that, in step 1 and step 2
Liquid methyl tetrabydrophthalic anhydride replace with liquid methyl hexahydrophthalic anhydride.
Embodiment 21: a kind of machine tool guideway special glue, with embodiment 19 the difference is that, in step 1 and step 2
Liquid methyl tetrabydrophthalic anhydride replace with hexahydrophthalic anhydride.
Embodiment 22: a kind of machine tool guideway special glue, with embodiment 21 the difference is that, in step 1 and step 2
Silicone emulsion replace with polypropylene glycerol aether.
Embodiment 23: a kind of machine tool guideway special glue, with embodiment 21 the difference is that, in step 1 and step 2
Silicone emulsion replace with dimethyl silicone polymer.
Comparative example 1: a kind of machine tool guideway special glue, difference from example 1 is that, step 1 specifically includes as follows
Epoxy resin, 2 parts of acetone and 8 parts of liquid nbr carboxyl terminals that corresponding parts by weight are 40 parts are put into agitator by step
In be stirred uniformly mixed, revolving speed 800rpm, time 3h, adding corresponding parts by weight is 7 parts of magnesium borate crystal whisker
Ultrasonic disperse mixing 30min is carried out, corresponding parts by weight is eventually adding and adds for 2 parts of silicone emulsions, 40 parts of silica flours and with 3 parts
Add agent, 100 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, time 1.5h obtains component A, stores for future use.
Comparative example 2: a kind of machine tool guideway special glue, difference from example 1 is that, step 1 specifically includes as follows
Epoxy resin, 2 parts of acetone and 8 parts of liquid nbr carboxyl terminals that corresponding parts by weight are 40 parts are put into agitator by step
In be stirred uniformly mixed, revolving speed 800rpm, time 3h, adding corresponding parts by weight is 4 parts of hydroxyapatite
Whisker carry out ultrasonic disperse mixing 30min, be eventually adding corresponding parts by weight for 2 parts of silicone emulsions, 40 parts of silica flours and with 3 parts
Additive, 100 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, time 1.5h obtains component A, storage
It is spare.
Comparative example 3: a kind of machine tool guideway special glue, difference from example 1 is that, step 1 specifically includes as follows
Epoxy resin, 2 parts of acetone and 8 parts of liquid nbr carboxyl terminals that corresponding parts by weight are 40 parts are put into agitator by step
In be stirred uniformly mixed, revolving speed 800rpm, time 3h, be eventually adding corresponding parts by weight be 2 parts of silicone emulsions, 40
Part silica flour and the additive with 3 parts, 100 DEG C at a temperature of be stirred mixing, revolving speed 1500rpm, time 1.5h,
Component A is obtained, is stored for future use.
Peel strength test
Test specimen: using the machine tool guideway special glue obtained in embodiment 1-23 as test specimen 1-23, using comparative example
The machine tool guideway special glue obtained in 1-3 is as control sample 1-3.
Test method: peel strength refers to the material being pasted together, required when carrying out unit width removing from contact surface
The maximum, force wanted respectively chooses 10 samples from test specimen 1-23 and control sample 1-3 respectively.Take 220 sizes identical
Stainless steel substrate the most uniformly smears said sample on the surface of substrate respectively, cloth is adhered on substrate, test specimen is obtained,
Test specimen is packed into tensile testing machine, cloth is stretched in 180 ° of directions with the speed of 50mm/min, removes cloth from substrate, is shelled
It is about 1 minute from the time, calculates the average value of 10 sample peel strengths of every group of sample.
Test result: the test result of test specimen 1-23 and control sample 1-3 are as shown in table 2.
The test result of table 2 test specimen 1-23 and control sample 1-3
As shown in Table 2, it is compareed and can be obtained with the test result of control sample 1-3 by test specimen 1-8, hydroxyapatite crystal whisker is added
And magnesium borate crystal whisker, be conducive to improve peel strength of the machine tool guideway special glue after curing molding, and hydroxyapatite crystal whisker
Good compounding effect can be played with magnesium borate crystal whisker, there is machine tool guideway special glue after curing molding good tough
Property.It is compareed and can be obtained with the test result of test specimen 9-11 by test specimen 1-8, processing, Neng Gouti are modified to silica flour
Peel strength of the high machine tool guideway special glue after curing molding, makes it have good toughness.By test specimen 1-8 and test
The test result control of sample 12-14 can obtain, and the additive being made of polyamide wax and vinyltrimethoxysilane is added, has
Conducive to the peel strength of raising machine tool guideway special glue when in use.By the test knot of test specimen 14-16 and test specimen 17
Fruit can obtain, and phenyl glycidyl ether will participate in reaction during diluting component A, moreover it is possible to play toughening effect, make machine tool guideway
Peel strength of the special glue after curing molding improves, and makes it have good toughness.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of machine tool guideway special glue, which is characterized in that including individually saving and when use is 1:(0.5 by ratio of weight and the number of copies
~0.8) component A and B component that ratio is mixed, in parts by weight, the composition of the component A includes following raw material:
40~50 parts of epoxy resin；
5~8 parts of liquid nbr carboxyl terminal；
2~4 parts of diluent；
5~7 parts of magnesium borate crystal whisker；
4~8 parts of hydroxyapatite crystal whisker；
The composition of the B component includes following raw material:
40~50 parts of curing agent；
10~15 parts of promotor；
In the raw material of the component A and B component comprising parts by weight be 30~40 parts of silica flour and 2~4 parts of defoaming agent.
2. machine tool guideway special glue according to claim 1, which is characterized in that the silica flour is modified processing, and
The step of modification, is as follows:
S1, the silica flour for taking corresponding parts by weight are heated to 120~160 DEG C, and being added with its weight fraction ratio is 1:(0.02
~0.05) phenolic resin is stirred mixing；
S2, in silica flour and phenolic resin during being stirred, sequentially add with phenolic resin weight portion rate be 1:
The methenamine of (3~5) makes methenamine be distributed in the surface of silica flour；
S3, add with phenolic resin weight portion rate be 1:(6~8) calcium stearate, discharge after mixing, obtain mixture；
S4, mixture is crushed, and is sieved with the sieve of 800~1000 mesh, then obtain modified silica flour after cooling down.
3. machine tool guideway special glue according to claim 1, which is characterized in that also add respectively in the component A and B component
Entering to have parts by weight is 3~6 parts of additive, and additive is made of polyamide wax and vinyltrimethoxysilane, and polyamides
The weight fraction ratio of amine wax and vinyltrimethoxysilane is 1:(0.3~0.7).
4. machine tool guideway special glue according to claim 1, which is characterized in that the diluent select acetone, dimethylbenzene,
N-butanol or phenyl glycidyl ether.
5. machine tool guideway special glue according to claim 1, which is characterized in that the promotor selection acrylic resin,
Terpene resin or hydrogenated rosin resin.
6. machine tool guideway special glue according to claim 1, which is characterized in that the curing agent selects liquid methyl tetrahydro
Phthalic anhydride, liquid methyl hexahydrophthalic anhydride or hexahydrophthalic anhydride.
7. machine tool guideway special glue according to claim 1, which is characterized in that the defoaming agent is selected silicone emulsion, gathered
Oxypropylene glycerin ether or dimethyl silicone polymer.
8. a kind of preparation process of machine tool guideway special glue as described in claim 1, which comprises the following steps:
Step 1 carries out the epoxy resin, diluent and liquid nbr carboxyl terminal of corresponding parts by weight after mixing,
The magnesium borate crystal whisker and hydroxyapatite crystal whisker for adding corresponding parts by weight carry out ultrasonic disperse mixing, are eventually adding corresponding weight
The defoaming agent and silica flour for measuring number, 90~120 DEG C at a temperature of carry out uniformly mixed, obtain component A, store for future use；
Step 2 carries out the curing agent of corresponding parts by weight and promotor after mixing, to sequentially add corresponding parts by weight
Defoaming agent and silica flour, 70~85 DEG C at a temperature of carry out uniformly mixed, obtain B component, store for future use.
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