CN107116486A - A kind of preparation method of double-sided two-purpose water-proof abrasive paper - Google Patents
A kind of preparation method of double-sided two-purpose water-proof abrasive paper Download PDFInfo
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- CN107116486A CN107116486A CN201710386433.9A CN201710386433A CN107116486A CN 107116486 A CN107116486 A CN 107116486A CN 201710386433 A CN201710386433 A CN 201710386433A CN 107116486 A CN107116486 A CN 107116486A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
Abstract
The invention discloses a kind of preparation method of double-sided two-purpose water-proof abrasive paper, following steps are specifically included：（1）From suitable material as matrix, adhesive is brushed in the upper surface of matrix, passes through the water-fast ply of paper of adhesive bonds；（2）Adhesive is brushed in the lower surface of matrix, pass through adhesive bonds skid resistant course, primer is coated on skid resistant course, abrasive grain is subjected to distribution according to the region divided on matrix and forms abrasive material groove, abrasive grain is bonded on primer, is dried, is then coated with covering glue, make to cover glue and be embedded in abrasive grain, form abrasive material；（3）To step（2）Matrix after middle formation abrasive material carries out solidify afterwards process, flexure band water conservancy project sequence, laser cutting process, the anti-deformation process process of base material and storage process and then is made to be ground into product successively；The preparation method of the present invention is simple and easy to apply, and the sand paper prepared can be used with two-sided, with good water resistance, increased the service life, reduced cost.
Description
Technical field
The invention belongs to dry sanding paper technical field, it is related to a kind of preparation method of sand paper, and in particular to a kind of double-sided two-purpose
The preparation method of water-proof abrasive paper.
Background technology
Polishing abrasive tool currently used in the market has many kinds, and dry sanding paper is in the majority, and it is that one kind is used to that dry sanding paper, which is commonly called as rubber,
The surfaces such as abrasive metal, timber so that its bright and clean smooth material, dry sanding paper generally on base material deadlocked various abrasive grits and
Into wherein base material is mostly using paper material or the cloth or film of individual layer, and pliability is inadequate when in use for paper material, and paper substrate is easy
Embrittlement is damaged, and chance water is easily rotten, the equipment of easy scratch polishing when using；And the cloth or film for using individual layer are then easily ground as base material
Damage, in particular for surface more coarse equipment, be lost bigger, be not durable very, and it is general article is roughly ground after,
Refined again, corase grind and fine grinding are required for using different types of dry sanding paper during polishing article every time, change trouble, and need
Two kinds of sand paper are changed, increase cost；
With the continuous improvement of the level of production, to sand paper emery cloth the need for also more extensively, people need higher levels of emery cloth
The need for meeting actual production, metal, timber, the polishing of electronics industry are particularly suitable for use in；Therefore, need to there is one kind to overcome with
The sand paper of upper defect turns into those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
The technical problems to be solved by the invention are that the shortcoming existed for above prior art proposes one kind two-sided two
With the preparation method of water-proof abrasive paper, the preparation method is simple and easy to apply, and the sand paper prepared can be used with two-sided, with good resistance to
It is aqueous, increase the service life, reduce cost.
The present invention solve above technical problem technical scheme be：
A kind of preparation method of double-sided two-purpose water-proof abrasive paper, double-sided two-purpose water-proof abrasive paper is made up of matrix, adhesive and abrasive material,
There is water-fast ply of paper the upper surface of matrix by adhesive bonds, and the lower surface of matrix passes through adhesive bonds skid resistant course, skid resistant course
Upper pass through is provided with abrasive material groove on primer and the re-glue bonded abrasive lap bed of material, abrasive material, the preparation method of double-sided two-purpose water-proof abrasive paper, tool
Body comprises the following steps：
（1）From suitable material as matrix, adhesive is brushed in the upper surface of matrix, passes through adhesive bonds wet-strong paper
Layer, is then dried 10-20 minutes, and drying temperature is 70-80 DEG C；
（2）Adhesive is brushed in the lower surface of matrix, by adhesive bonds skid resistant course, primer is coated on skid resistant course, will be ground
Material particle carries out distribution according to the region divided on matrix and forms abrasive material groove, and abrasive grain is bonded on primer, with 50-70 DEG C
Hot blast drying it is dry, be then coated with covering glue, make to cover glue and be embedded in abrasive grain, solidify 20-40min at a temperature of 60-80 DEG C,
Form abrasive material；
It is specially when spreading abrasive grain：Abrasive grain be contained in hand sieve in, spin vibration sieve son, make abrasive grain by itself
On weight, the primer for being equably embedded in the matrix that level is put；
（3）To step（2）Matrix after middle formation abrasive material carries out solidify afterwards process, flexure band water conservancy project sequence, laser cutting successively
The anti-deformation process process of process, base material and storage process so that be made be ground into product；
In solidify afterwards process：Adhesive is solidifying 20-40min at a temperature of 60-80 DEG C；
In flexure band water conservancy project sequence：Be combined using the radial direction flexure in mechanical flexure and two 45 ° of flexures, wherein water amount≤
20g/m2, crimpness≤12mm after mechanical flexure；
Base material is sprayed or coating processing using anti-deformation resin in the anti-deformation process process of base material, anti-deformation resin is water
Property polyurethane resin, epoxy resin, phenolic resin or acrylic resin.
The technical scheme that further limits of the present invention as：
In the preparation method of foregoing double-sided two-purpose water-proof abrasive paper, the abrasive grain in abrasive material is compound abrasive grain, by nanometer
Ceria and silica two kinds of particles are composited, and the specific preparation method of multiple grinding particle is as follows：
The preparation of monodisperse silica particle
Measure 80ml ammoniacal liquor to be placed in 500ml beaker, 140ml absolute ethyl alcohol and 70ml is then sequentially added into beaker
Deionized water, is placed in 50 DEG C of water bath with thermostatic control China insulation 10-15min, and add dropwise under the conditions of magnetic agitation after stirring
Enter 50ml tetraethyl orthosilicate, time for adding is controlled in 8-10min, continue to stir 30-50min after dripping, be aged 15-18h
Sediment is centrifuged afterwards, and by product distilled water flushing 2-4 times, after cleaning finally washes of absolute alcohol with once
It is placed in 70-80 DEG C of air dry oven and dries, obtained presoma is ground, 50-60min is calcined at 500 DEG C, obtains
Monodisperse nano silicon dioxide particle；
The preparation of multiple grinding particle
Six water cerous nitrates are dissolved in the mixed solution of normal propyl alcohol and deionized water, acetylacetone,2,4-pentanedione is then added, cerium is configured
Colloidal sol, is stirred at room temperature 15-18h, obtains the glassy yellow colloidal sol of transparent clarification, then by stepObtained single dispersing titanium dioxide
Silicon grain is immersed in 20-30min in the cerium colloidal sol of acquisition under conditions of ultrasound plus mechanical agitation, and Surface coating then is had into cerium
The nanometer silicon dioxide particle centrifugation of colloidal sol, is placed in 70-80 DEG C of air dry oven and dries, be calcined 40-50min through 500 DEG C, i.e.,
It can obtain multiple grinding particle.
In the preparation method of foregoing double-sided two-purpose water-proof abrasive paper, adhesive includes following components according to the mass fraction：
Amino silicone breast：20-25 parts, perfluoropropene yogurt liquid：10-12 parts, diisocyanate：15-18 parts, deionized water：10-20
Part, filler：5-7 parts, plasticizer：3-5 parts, dispersant：4-7 parts, coalescents：8-11 parts, defoamer：5-8 parts, fire retardant：
1-3 parts；Catalyst：3-5 parts, catalyst trap agent：1-3 parts, small molecule chain extender：1-3 parts；
Filler glass flake；During plasticizer is dioctyl phthalate, tricresyl phosphate or dibutyl phthalate
One kind；Dispersant is sodium tripolyphosphate；Coalescents are one kind in ethylene glycol ethyl ether or propane diols；Defoamer is organosilicon
One or more in oxygen alkane or acid amides；Fire retardant selects phosphotriester；Catalyst is dibutyl tin laurate, APP
Or obtain a kind of in melamine phosphate；Catalyst trap agent is formaldehyde；Small molecule chain extender is 1,4 butanediols.
Amino silicone breast is added in technique effect, the present invention, the water proofing property of adhesive is improved；What is added in the present invention is complete
Perfluoroalkyl acrylate emulsion both film forming and tack with acrylic polymer, but due on its side chain containing full-fluorine group and
Outwardly, therefore surface can be relatively low for orientation, with the surface property such as excellent hydrophobic, oleophobic, antifouling；
Conventional catalyst is dibutyl tin laurate, and it is the catalyst of strong gelling properties, available for elastomer, gluing
Agent, fluid sealant, coating, hard bubble, moulded foam etc., can also be with amine catalyst and for high-speed production high density structures foam, spray
Painting is hard bubbled, hard bubble sheet material；
Intramolecular appropriateness crosslinking can make material hardness, softening temperature and modulus of elasticity increase, elongation at break, permanent deformation and
Swellability reduction in a solvent, adds small molecule chain extender, can not only adjust molecular weight and soft and hard segments ratio, can also enter
One step is cross-linked to form linear or build macromolecular, to improve its intensity, hardness, elasticity and resistance to medium etc.；Amine and isocyanic acid
Ester group reaction speed is very fast, and the urea bond polarity of reaction generation is stronger, can bring the microphase-separated become apparent；And alcohols
Chain extender with isocyanate groups reaction speed compared with amine it is relatively slow, react also more gentle, with alcohols chain extender consumption
Improve, micelle homogeneity enhancing, particle diameter reduces, and glued membrane elongation at break improves.
Triphenyl phosphate, phosphate toluene diphenyl ester etc., it can be as suppression flame agent, fire retardant mechanism：Phosphorus during burning
Acid esters is decomposed, the metaphosphoric acid polymerization generated after dehydration, can be dehydrated polymer, the film of air can be completely cut off by forming one layer, together
When also play gas phase fire retardant mechanism.
In the preparation method of foregoing double-sided two-purpose water-proof abrasive paper, the preparation method of amino silicone breast is as follows：Equipped with thermometer
Three-necked flask in add deionized water, octamethylcy-clotetrasiloxane, tetravinyl tetramethyl-ring tetrasiloxane, hexadecene and
Alkylammonium salt emulsifying agent, after mechanical agitation is well mixed, is warming up to 50 DEG C and carries out pre-emulsifications reaction 1.5h, after be warming up to 60-80
DEG C catalyst potassium hydroxide is added, insulation reaction 2h is cooled to 40 DEG C, and the PH that emulsion is adjusted with glacial acetic acid is 6-7, discharging, mistake
Amino silicone breast is obtained after filter.
In the preparation method of foregoing double-sided two-purpose water-proof abrasive paper, the preparation of perfluoropropene yogurt liquid：
（1）Deionized water, emulsifying agent, sodium acid carbonate are added in reactor, butyl acrylate and metering system is then added
Acid, is added dropwise ammonium persulfate, by heating water bath to 75 DEG C, and the rotating speed of electric blender is set into 180-200r/min, gathers
Close after reaction 20-30min, cosolvent is added dropwise with constant pressure funnel, control in 5min completion of dropping, then balance 10-15min；
（2）Perfluorooctylethyl group first is added in equipped with agitator, thermometer, condenser pipe, the four-hole boiling flask of constant pressure titration funnel
Emulsified, used with emulsifying agent after base acrylate, octadecyl base, butyl acrylate, the mixing of lauryl mercaptan monomer
Magnetic stirrer pre-emulsification 15-20min, is then carrying out high speed pre-emulsification, speed is set as using digital display high speed dispersion agent
15000r/min, then by step（1）The mixture of preparation puts into constant pressure titration funnel, and control is dripped in 3h, dripped
Bi Hou, 85 DEG C are warming up to by system, are incubated a hour, and last cooling discharge obtains perfluoropropene yogurt liquid；
Wherein, the mass ratio of butyl acrylate and methacrylic acid is 4：9, perfluorooctylethyl group methacrylate, acrylic acid
Octadecyl, butyl acrylate, lauryl mercaptan mass ratio are 18：12：7：3, emulsifying agent is emulsifying agent ER-30 and emulsifying agent SR-
10 in mass ratio 2：1 mixture, cosolvent is ethanol or propylene glycol monomethyl ether.
Technique effect, in the sour emulsion polymerization of perfluoropropene, using the method for core-shell emulsion polymerization, can reduce fluorine-containing list
The content of body so that emulsion polymerization, core part is the particle rich in acrylate polymer, and shell parts contain fluorine monomer polymerization
Thing, can so allow perfluorinated side chains to protect the molecule of polymeric inner, improve the weatherability of polymer, pass through this polymerization side
Method, can effectively reduce cost, improve the combination property of polymer.
The beneficial effects of the invention are as follows：
The sand paper of the present invention can be used with two-sided, because of the work that needs are changed when reducing work, while it is dual-purpose to play a sand paper
Effect, improve operating efficiency, reduce cost, while the setting of water-resistant layer makes it have good water-fast effect, extension
Service life；
Compound abrasive grain, the composition of polishing slurries are used during the preparation of sand paper（Abrasive grain, auxiliary agent etc.）It is influence polishing table
One of key factor of face quality, at present, the abrasive grain of use are generally silica, ceria or alundum (Al2O3) etc.
Traditional inorganic abradant particle, these single abrasive grains often cannot get gratifying polishing effect, e.g., and silica holds
Easily the slurry with fine dispersion stability is configured to, but its polishing plastic is relatively low, generally required in actual applications in polishing
Oxidant etc. is added in material to improve polishing speed, so that cause the chemical analysis of polishing material complicated, alundum (Al2O3) abrasive material
Grain has higher hardness, although polishing speed is higher, but easily causes surface tear to influence yield rate, and ceria has
Excellent wear intensity, but dispersion stabilization is poor, and the abrasive grain in the present invention is compound abrasive grain, overcomes single mill
Expect the deficiency of particle, combine both advantages, this compound abrasive grain has good polishing effect to the chip after polishing
Really, surfacing, smooth.
The present invention is carried out when planting sand covering abrasive grain using hand with sieve, it is ensured that the raising of polishing efficiency, according to polishing
Need to select the position of abrasive grains grinding to reach requirement.
Embodiment
Embodiment 1
The present embodiment provides a kind of preparation method of double-sided two-purpose water-proof abrasive paper, and double-sided two-purpose water-proof abrasive paper is by matrix, adhesive
And abrasive material is constituted, there is water-fast ply of paper the upper surface of matrix by adhesive bonds, and the lower surface of matrix passes through adhesive bonds
By primer and the re-glue bonded abrasive lap bed of material on skid resistant course, skid resistant course, abrasive material groove, double-sided two-purpose water-proof abrasive paper are provided with abrasive material
Preparation method, specifically include following steps：
（1）From suitable material as matrix, adhesive is brushed in the upper surface of matrix, passes through adhesive bonds wet-strong paper
Layer, is then dried 15 minutes, and drying temperature is 75 DEG C；
（2）Adhesive is brushed in the lower surface of matrix, by adhesive bonds skid resistant course, primer is coated on skid resistant course, will be ground
Material particle carries out distribution according to the region divided on matrix and forms abrasive material groove, and abrasive grain is bonded on primer, with 60 DEG C
Hot blast drying is dry, is then coated with covering glue, makes to cover glue and is embedded in abrasive grain, solidifies 30min at a temperature of 70 DEG C, forms abrasive material
Layer；
It is specially when spreading abrasive grain：Abrasive grain be contained in hand sieve in, spin vibration sieve son, make abrasive grain by itself
On weight, the primer for being equably embedded in the matrix that level is put；
Abrasive grain in abrasive material is compound abrasive grain, by nano ceric oxide and silica two kinds of particles it is compound and
Into the specific preparation method of multiple grinding particle is as follows：
The preparation of monodisperse silica particle
Measure 80ml ammoniacal liquor to be placed in 500ml beaker, 140ml absolute ethyl alcohol and 70ml is then sequentially added into beaker
Deionized water, is placed in 50 DEG C of water bath with thermostatic control China insulation 13min, and be added dropwise under the conditions of magnetic agitation after stirring
50ml tetraethyl orthosilicate, time for adding control in 9min, after dripping continue stir 40min, ageing 16h after by sediment from
The heart is separated, and by product distilled water flushing 3 times, is placed in 75 DEG C of air blast finally washes of absolute alcohol with once, after cleaning
Dried in drying box, obtained presoma is ground, 55min is calcined at 500 DEG C, obtains monodisperse nano silicon dioxide
Grain；
The preparation of multiple grinding particle
Six water cerous nitrates are dissolved in the mixed solution of normal propyl alcohol and deionized water, acetylacetone,2,4-pentanedione is then added, cerium is configured
Colloidal sol, is stirred at room temperature 16h, obtains the glassy yellow colloidal sol of transparent clarification, then by stepObtained monodisperse silica
Particle is immersed in 25min in the cerium colloidal sol of acquisition under conditions of ultrasound plus mechanical agitation, and Surface coating then is had into cerium colloidal sol
Nanometer silicon dioxide particle centrifugation, be placed in 75 DEG C of air dry ovens dry, through 500 DEG C calcination 45min, you can be combined
Abrasive grains；
（3）To step（2）Matrix after middle formation abrasive material carries out solidify afterwards process, flexure band water conservancy project sequence, laser cutting successively
The anti-deformation process process of process, base material and storage process so that be made be ground into product；
In solidify afterwards process：Adhesive is solidifying 30min at a temperature of 65 DEG C；
In flexure band water conservancy project sequence：Be combined using the radial direction flexure in mechanical flexure and two 45 ° of flexures, wherein water amount≤
20g/m2, crimpness≤12mm after mechanical flexure；
Base material is sprayed or coating processing using anti-deformation resin in the anti-deformation process process of base material, anti-deformation resin is phenol
Urea formaldehyde.
Above-mentioned adhesive includes following components according to the mass fraction：
Amino silicone breast：22 parts, perfluoropropene yogurt liquid：11 parts, diisocyanate：16 parts, deionized water：15 parts, filler：6 parts,
Plasticizer：4 parts, dispersant：5 parts, coalescents：9 parts, defoamer：6 parts, fire retardant：2 parts；Catalyst：4 parts, catalyst is caught
Catch agent：2 parts, small molecule chain extender：2 parts；
Filler glass flake；Plasticizer is tricresyl phosphate；Dispersant is sodium tripolyphosphate；Coalescents are ethylene glycol ethyl ethers
Ether；Defoamer is acid amides；Fire retardant selects phosphotriester；Catalyst is APP；Catalyst trap agent is formaldehyde；Small molecule
Chain extender is 1,4 butanediols.
The preparation method of amino silicone breast is as follows：Deionized water, prestox ring are added in the three-necked flask equipped with thermometer
Tetrasiloxane, tetravinyl tetramethyl-ring tetrasiloxane, hexadecene and alkylammonium salt emulsifying agent, mechanical agitation are well mixed
Afterwards, 50 DEG C are warming up to and carries out pre-emulsifications reaction 1.5h, after be warming up to 65 DEG C of addition catalyst potassium hydroxide, insulation reaction 2h is cold
But to 40 DEG C, the PH for adjusting emulsion with glacial acetic acid is 6, discharging, and amino silicone breast is obtained after filtering.
The preparation of above-mentioned perfluoropropene yogurt liquid：
（1）Deionized water, emulsifying agent, sodium acid carbonate are added in reactor, butyl acrylate and metering system is then added
Acid, is added dropwise ammonium persulfate, by heating water bath to 75 DEG C, and the rotating speed of electric blender is set into 190r/min, and polymerization is anti-
Answer after 25min, cosolvent is added dropwise with constant pressure funnel, control in 5min completion of dropping, then balance 13min；
（2）Perfluorooctylethyl group first is added in equipped with agitator, thermometer, condenser pipe, the four-hole boiling flask of constant pressure titration funnel
Emulsified, used with emulsifying agent after base acrylate, octadecyl base, butyl acrylate, the mixing of lauryl mercaptan monomer
Magnetic stirrer pre-emulsification 18min, is then carrying out high speed pre-emulsification, speed is set as using digital display high speed dispersion agent
15000r/min, then by step（1）The mixture of preparation puts into constant pressure titration funnel, and control is dripped in 3h, dripped
Bi Hou, 85 DEG C are warming up to by system, are incubated a hour, and last cooling discharge obtains perfluoropropene yogurt liquid；
Wherein, the mass ratio of butyl acrylate and methacrylic acid is 4：9, perfluorooctylethyl group methacrylate, acrylic acid
Octadecyl, butyl acrylate, lauryl mercaptan mass ratio are 18：12：7：3, emulsifying agent is emulsifying agent ER-30 and emulsifying agent SR-
10 in mass ratio 2：1 mixture, cosolvent is ethanol or propylene glycol monomethyl ether.
Embodiment 2
The present embodiment provides a kind of preparation method of double-sided two-purpose water-proof abrasive paper, and double-sided two-purpose water-proof abrasive paper is by matrix, adhesive
And abrasive material is constituted, there is water-fast ply of paper the upper surface of matrix by adhesive bonds, and the lower surface of matrix passes through adhesive bonds
By primer and the re-glue bonded abrasive lap bed of material on skid resistant course, skid resistant course, abrasive material groove, double-sided two-purpose water-proof abrasive paper are provided with abrasive material
Preparation method, specifically include following steps：
（1）From suitable material as matrix, adhesive is brushed in the upper surface of matrix, passes through adhesive bonds wet-strong paper
Layer, is then dried 10 minutes, and drying temperature is 70 DEG C；
（2）Adhesive is brushed in the lower surface of matrix, by adhesive bonds skid resistant course, primer is coated on skid resistant course, will be ground
Material particle carries out distribution according to the region divided on matrix and forms abrasive material groove, and abrasive grain is bonded on primer, with 50 DEG C
Hot blast drying is dry, is then coated with covering glue, makes to cover glue and is embedded in abrasive grain, solidifies 20min at a temperature of 60 DEG C, forms abrasive material
Layer；
It is specially when spreading abrasive grain：Abrasive grain be contained in hand sieve in, spin vibration sieve son, make abrasive grain by itself
On weight, the primer for being equably embedded in the matrix that level is put；
Abrasive grain in abrasive material is compound abrasive grain, by nano ceric oxide and silica two kinds of particles it is compound and
Into the specific preparation method of multiple grinding particle is as follows：
The preparation of monodisperse silica particle
Measure 80ml ammoniacal liquor to be placed in 500ml beaker, 140ml absolute ethyl alcohol and 70ml is then sequentially added into beaker
Deionized water, is placed in 50 DEG C of water bath with thermostatic control China insulation 10min, and be added dropwise under the conditions of magnetic agitation after stirring
50ml tetraethyl orthosilicate, time for adding control in 8min, after dripping continue stir 30min, ageing 15h after by sediment from
The heart is separated, and by product distilled water flushing 2 times, is placed in 70 DEG C of air blast finally washes of absolute alcohol with once, after cleaning
Dried in drying box, obtained presoma is ground, 50min is calcined at 500 DEG C, obtains monodisperse nano silicon dioxide
Grain；
The preparation of multiple grinding particle
Six water cerous nitrates are dissolved in the mixed solution of normal propyl alcohol and deionized water, acetylacetone,2,4-pentanedione is then added, cerium is configured
Colloidal sol, is stirred at room temperature 15h, obtains the glassy yellow colloidal sol of transparent clarification, then by stepObtained monodisperse silica
Particle is immersed in 20min in the cerium colloidal sol of acquisition under conditions of ultrasound plus mechanical agitation, and Surface coating then is had into cerium colloidal sol
Nanometer silicon dioxide particle centrifugation, be placed in 70 DEG C of air dry ovens dry, through 500 DEG C calcination 40min, you can be combined
Abrasive grains；
（3）To step（2）Matrix after middle formation abrasive material carries out solidify afterwards process, flexure band water conservancy project sequence, laser cutting successively
The anti-deformation process process of process, base material and storage process so that be made be ground into product；
In solidify afterwards process：Adhesive is solidifying 20min at a temperature of 60 DEG C；
In flexure band water conservancy project sequence：Be combined using the radial direction flexure in mechanical flexure and two 45 ° of flexures, wherein water amount≤
20g/m2, crimpness≤12mm after mechanical flexure；
Base material is sprayed or coating processing using anti-deformation resin in the anti-deformation process process of base material, anti-deformation resin is water
Property polyurethane resin.
Above-mentioned adhesive includes following components according to the mass fraction：
Amino silicone breast：20 parts, perfluoropropene yogurt liquid：10 parts, diisocyanate：15 parts, deionized water：10 parts, filler：5 parts,
Plasticizer：3 parts, dispersant：4 parts, coalescents：8 parts, defoamer：5 parts, fire retardant：1 part；Catalyst：3 parts, catalyst is caught
Catch agent：1 part, small molecule chain extender：1 part；
Filler glass flake；Plasticizer is dioctyl phthalate；Dispersant is sodium tripolyphosphate；Coalescents are second two
Alcohol ether；Defoamer is organosiloxane；Fire retardant selects phosphotriester；Catalyst is dibutyl tin laurate；Catalyst
Agent for capturing is formaldehyde；Small molecule chain extender is 1,4 butanediols.
The preparation method of amino silicone breast is as follows：Deionized water, prestox ring are added in the three-necked flask equipped with thermometer
Tetrasiloxane, tetravinyl tetramethyl-ring tetrasiloxane, hexadecene and alkylammonium salt emulsifying agent, mechanical agitation are well mixed
Afterwards, 50 DEG C are warming up to and carries out pre-emulsifications reaction 1.5h, after be warming up to 60 DEG C of addition catalyst potassium hydroxide, insulation reaction 2h is cold
But to 40 DEG C, the PH for adjusting emulsion with glacial acetic acid is 6, discharging, and amino silicone breast is obtained after filtering.
The preparation of above-mentioned perfluoropropene yogurt liquid：
（1）Deionized water, emulsifying agent, sodium acid carbonate are added in reactor, butyl acrylate and metering system is then added
Acid, is added dropwise ammonium persulfate, by heating water bath to 75 DEG C, and the rotating speed of electric blender is set into 180r/min, and polymerization is anti-
Answer after 20min, cosolvent is added dropwise with constant pressure funnel, control in 5min completion of dropping, then balance 10min；
（2）Perfluorooctylethyl group first is added in equipped with agitator, thermometer, condenser pipe, the four-hole boiling flask of constant pressure titration funnel
Emulsified, used with emulsifying agent after base acrylate, octadecyl base, butyl acrylate, the mixing of lauryl mercaptan monomer
Magnetic stirrer pre-emulsification 15min, is then carrying out high speed pre-emulsification, speed is set as using digital display high speed dispersion agent
15000r/min, then by step（1）The mixture of preparation puts into constant pressure titration funnel, and control is dripped in 3h, dripped
Bi Hou, 85 DEG C are warming up to by system, are incubated a hour, and last cooling discharge obtains perfluoropropene yogurt liquid；
Wherein, the mass ratio of butyl acrylate and methacrylic acid is 4：9, perfluorooctylethyl group methacrylate, acrylic acid
Octadecyl, butyl acrylate, lauryl mercaptan mass ratio are 18：12：7：3, emulsifying agent is emulsifying agent ER-30 and emulsifying agent SR-
10 in mass ratio 2：1 mixture, cosolvent is ethanol or propylene glycol monomethyl ether.
Embodiment 3
The present embodiment provides a kind of preparation method of double-sided two-purpose water-proof abrasive paper, and double-sided two-purpose water-proof abrasive paper is by matrix, adhesive
And abrasive material is constituted, there is water-fast ply of paper the upper surface of matrix by adhesive bonds, and the lower surface of matrix passes through adhesive bonds
By primer and the re-glue bonded abrasive lap bed of material on skid resistant course, skid resistant course, abrasive material groove, double-sided two-purpose water-proof abrasive paper are provided with abrasive material
Preparation method, specifically include following steps：
（1）From suitable material as matrix, adhesive is brushed in the upper surface of matrix, passes through adhesive bonds wet-strong paper
Layer, is then dried 20 minutes, and drying temperature is 80 DEG C；
（2）Adhesive is brushed in the lower surface of matrix, by adhesive bonds skid resistant course, primer is coated on skid resistant course, will be ground
Material particle carries out distribution according to the region divided on matrix and forms abrasive material groove, and abrasive grain is bonded on primer, with 70 DEG C
Hot blast drying is dry, is then coated with covering glue, makes to cover glue and is embedded in abrasive grain, solidifies 40min at a temperature of 80 DEG C, forms abrasive material
Layer；
It is specially when spreading abrasive grain：Abrasive grain be contained in hand sieve in, spin vibration sieve son, make abrasive grain by itself
On weight, the primer for being equably embedded in the matrix that level is put；
Abrasive grain in abrasive material is compound abrasive grain, by nano ceric oxide and silica two kinds of particles it is compound and
Into the specific preparation method of multiple grinding particle is as follows：
The preparation of monodisperse silica particle
Measure 80ml ammoniacal liquor to be placed in 500ml beaker, 140ml absolute ethyl alcohol and 70ml is then sequentially added into beaker
Deionized water, is placed in 50 DEG C of water bath with thermostatic control China insulation 5min, and be added dropwise under the conditions of magnetic agitation after stirring
50ml tetraethyl orthosilicate, time for adding is controlled in 10min, continues to stir after dripping after 50min, ageing 18h by sediment
Centrifuge, and by product distilled water flushing 4 times, be placed in 80 DEG C of drum finally washes of absolute alcohol with once, after cleaning
Dried in wind drying box, obtained presoma is ground, 60min is calcined at 500 DEG C, obtains monodisperse nano silicon dioxide
Particle；
The preparation of multiple grinding particle
Six water cerous nitrates are dissolved in the mixed solution of normal propyl alcohol and deionized water, acetylacetone,2,4-pentanedione is then added, cerium is configured
Colloidal sol, is stirred at room temperature 18h, obtains the glassy yellow colloidal sol of transparent clarification, then by stepObtained monodisperse silica
Particle is immersed in 30min in the cerium colloidal sol of acquisition under conditions of ultrasound plus mechanical agitation, and Surface coating then is had into cerium colloidal sol
Nanometer silicon dioxide particle centrifugation, be placed in 80 DEG C of air dry ovens dry, through 500 DEG C calcination 50min, you can be combined
Abrasive grains；
（3）To step（2）Matrix after middle formation abrasive material carries out solidify afterwards process, flexure band water conservancy project sequence, laser cutting successively
The anti-deformation process process of process, base material and storage process so that be made be ground into product；
In solidify afterwards process：Adhesive is solidifying 40min at a temperature of 80 DEG C；
In flexure band water conservancy project sequence：Be combined using the radial direction flexure in mechanical flexure and two 45 ° of flexures, wherein water amount≤
20g/m2, crimpness≤12mm after mechanical flexure；
Base material is sprayed or coating processing using anti-deformation resin in the anti-deformation process process of base material, anti-deformation resin is third
Olefin(e) acid resin.
Above-mentioned adhesive includes following components according to the mass fraction：
Amino silicone breast：25 parts, perfluoropropene yogurt liquid：12 parts, diisocyanate：18 parts, deionized water：20 parts, filler：7 parts,
Plasticizer：5 parts, dispersant：7 parts, coalescents：11 parts, defoamer：8 parts, fire retardant：3 parts；Catalyst：5 parts, catalyst is caught
Catch agent：3 parts, small molecule chain extender：3 parts；
Filler glass flake；Plasticizer is dibutyl phthalate；Dispersant is sodium tripolyphosphate；Coalescents are the third two
Alcohol；Defoamer is acid amides；Fire retardant selects phosphotriester；Catalyst is melamine phosphate；Catalyst trap agent is formaldehyde；It is small
Molecule chain extender is 1,4 butanediols.
The preparation method of amino silicone breast is as follows：Deionized water, prestox ring are added in the three-necked flask equipped with thermometer
Tetrasiloxane, tetravinyl tetramethyl-ring tetrasiloxane, hexadecene and alkylammonium salt emulsifying agent, mechanical agitation are well mixed
Afterwards, 50 DEG C are warming up to and carries out pre-emulsifications reaction 1.5h, after be warming up to 80 DEG C of addition catalyst potassium hydroxide, insulation reaction 2h is cold
But to 40 DEG C, the PH for adjusting emulsion with glacial acetic acid is 7, discharging, and amino silicone breast is obtained after filtering.
The preparation of above-mentioned perfluoropropene yogurt liquid：
（1）Deionized water, emulsifying agent, sodium acid carbonate are added in reactor, butyl acrylate and metering system is then added
Acid, is added dropwise ammonium persulfate, by heating water bath to 75 DEG C, and the rotating speed of electric blender is set into 200r/min, and polymerization is anti-
Answer after 30min, cosolvent is added dropwise with constant pressure funnel, control in 5min completion of dropping, then balance 15min；
（2）Perfluorooctylethyl group first is added in equipped with agitator, thermometer, condenser pipe, the four-hole boiling flask of constant pressure titration funnel
Emulsified, used with emulsifying agent after base acrylate, octadecyl base, butyl acrylate, the mixing of lauryl mercaptan monomer
Magnetic stirrer pre-emulsification 20min, is then carrying out high speed pre-emulsification, speed is set as using digital display high speed dispersion agent
15000r/min, then by step（1）The mixture of preparation puts into constant pressure titration funnel, and control is dripped in 3h, dripped
Bi Hou, 85 DEG C are warming up to by system, are incubated a hour, and last cooling discharge obtains perfluoropropene yogurt liquid；
Wherein, the mass ratio of butyl acrylate and methacrylic acid is 4：9, perfluorooctylethyl group methacrylate, acrylic acid
Octadecyl, butyl acrylate, lauryl mercaptan mass ratio are 18：12：7：3, emulsifying agent is emulsifying agent ER-30 and emulsifying agent SR-
10 in mass ratio 2：1 mixture, cosolvent is ethanol.
In addition to the implementation, the present invention can also have other embodiment.All use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (5)
1. a kind of preparation method of double-sided two-purpose water-proof abrasive paper, it is characterised in that：Double-sided two-purpose water-proof abrasive paper is by matrix, adhesive
And abrasive material is constituted, there is water-fast ply of paper the upper surface of described matrix by adhesive bonds, and the lower surface of described matrix passes through glue
By primer and the re-glue bonded abrasive lap bed of material on stick bonding skid resistant course, the skid resistant course, abrasive material groove is provided with the abrasive material,
The preparation method of the double-sided two-purpose water-proof abrasive paper, specifically includes following steps：
（1）From suitable material as matrix, adhesive is brushed in the upper surface of matrix, passes through adhesive bonds wet-strong paper
Layer, is then dried 10-20 minutes, and drying temperature is 70-80 DEG C；
（2）Adhesive is brushed in the lower surface of matrix, by adhesive bonds skid resistant course, primer is coated on skid resistant course, will be ground
Material particle carries out distribution according to the region divided on matrix and forms abrasive material groove, and abrasive grain is bonded on primer, with 50-70 DEG C
Hot blast drying it is dry, be then coated with covering glue, make to cover glue and be embedded in abrasive grain, solidify 20-40min at a temperature of 60-80 DEG C,
Form abrasive material；
It is specially when spreading abrasive grain：Abrasive grain be contained in hand sieve in, spin vibration sieve son, make abrasive grain by itself
On weight, the primer for being equably embedded in the matrix that level is put；
（3）To step（2）Matrix after middle formation abrasive material carries out solidify afterwards process, flexure band water conservancy project sequence, laser cutting successively
The anti-deformation process process of process, base material and storage process so that be made be ground into product；
In the solidify afterwards process：Adhesive is solidifying 20-40min at a temperature of 60-80 DEG C；
In the flexure band water conservancy project sequence：It is combined using the radial direction flexure in mechanical flexure and two 45 ° of flexures, wherein water amount
≤ 20g/m2, crimpness≤12mm after mechanical flexure；
Base material is sprayed or coating processing using anti-deformation resin in the anti-deformation process process of base material, the anti-deformation
Resin is waterborne polyurethane resin, epoxy resin, phenolic resin or acrylic resin.
2. the preparation method of double-sided two-purpose water-proof abrasive paper according to claim 1, it is characterised in that：In the abrasive material
Abrasive grain is compound abrasive grain, is composited by nano ceric oxide and silica two kinds of particles, the multiple grinding
The specific preparation method of particle is as follows：
The preparation of monodisperse silica particle
Measure 80ml ammoniacal liquor to be placed in 500ml beaker, 140ml absolute ethyl alcohol and 70ml is then sequentially added into beaker
Deionized water, is placed in 50 DEG C of water bath with thermostatic control China insulation 10-15min, and add dropwise under the conditions of magnetic agitation after stirring
Enter 50ml tetraethyl orthosilicate, time for adding is controlled in 8-10min, continue to stir 30-50min after dripping, be aged 15-18h
Sediment is centrifuged afterwards, and by product distilled water flushing 2-4 times, after cleaning finally washes of absolute alcohol with once
It is placed in 70-80 DEG C of air dry oven and dries, obtained presoma is ground, 50-60min is calcined at 500 DEG C, obtains
Monodisperse nano silicon dioxide particle；
The preparation of multiple grinding particle
Six water cerous nitrates are dissolved in the mixed solution of normal propyl alcohol and deionized water, acetylacetone,2,4-pentanedione is then added, cerium is configured
Colloidal sol, is stirred at room temperature 15-18h, obtains the glassy yellow colloidal sol of transparent clarification, then by stepObtained single dispersing titanium dioxide
Silicon grain is immersed in 20-30min in the cerium colloidal sol of acquisition under conditions of ultrasound plus mechanical agitation, and Surface coating then is had into cerium
The nanometer silicon dioxide particle centrifugation of colloidal sol, is placed in 70-80 DEG C of air dry oven and dries, be calcined 40-50min through 500 DEG C, i.e.,
It can obtain multiple grinding particle.
3. the preparation method of double-sided two-purpose water-proof abrasive paper according to claim 1, it is characterised in that：The adhesive presses matter
Measuring number meter includes following components：
Amino silicone breast：20-25 parts, perfluoropropene yogurt liquid：10-12 parts, diisocyanate：15-18 parts, deionized water：10-20
Part, filler：5-7 parts, plasticizer：3-5 parts, dispersant：4-7 parts, coalescents：8-11 parts, defoamer：5-8 parts, fire retardant：
1-3 parts；Catalyst：3-5 parts, catalyst trap agent：1-3 parts, small molecule chain extender：1-3 parts；
The filler glass flake；Described plasticizer is dioctyl phthalate, tricresyl phosphate or O-phthalic
One kind in dibutyl phthalate；Described dispersant is sodium tripolyphosphate；Described coalescents are ethylene glycol ethyl ether or propane diols
In one kind；Described defoamer is the one or more in organosiloxane or acid amides；Described fire retardant selects tricresyl phosphate
Ester；The catalyst is a kind of to be obtained in dibutyl tin laurate, APP or melamine phosphate；Described catalyst is caught
Agent is caught for formaldehyde；Described small molecule chain extender is 1,4 butanediols.
4. the preparation method of double-sided two-purpose water-proof abrasive paper according to claim 3, it is characterised in that：The amino silicone breast
Preparation method is as follows：Deionized water, octamethylcy-clotetrasiloxane, tetravinyl four are added in the three-necked flask equipped with thermometer
Methyl cyclotetrasiloxane, hexadecene and alkylammonium salt emulsifying agent, after mechanical agitation is well mixed, is warming up to 50 DEG C and carries out pre- breast
Change reaction 1.5h, after be warming up to 60-80 DEG C of addition catalyst potassium hydroxide, insulation reaction 2h is cooled to 40 DEG C, adjusted with glacial acetic acid
The PH for saving emulsion is 6-7, and discharging obtains amino silicone breast after filtering.
5. the preparation method of double-sided two-purpose water-proof abrasive paper according to claim 3, it is characterised in that：The perfluoropropene acid
The preparation of emulsion：
（1）Deionized water, emulsifying agent, sodium acid carbonate are added in reactor, butyl acrylate and metering system is then added
Acid, is added dropwise ammonium persulfate, by heating water bath to 75 DEG C, and the rotating speed of electric blender is set into 180-200r/min, gathers
Close after reaction 20-30min, cosolvent is added dropwise with constant pressure funnel, control in 5min completion of dropping, then balance 10-15min；
（2）Perfluorooctylethyl group first is added in equipped with agitator, thermometer, condenser pipe, the four-hole boiling flask of constant pressure titration funnel
Emulsified, used with emulsifying agent after base acrylate, octadecyl base, butyl acrylate, the mixing of lauryl mercaptan monomer
Magnetic stirrer pre-emulsification 15-20min, is then carrying out high speed pre-emulsification, speed is set as using digital display high speed dispersion agent
15000r/min, then by step（1）The mixture of preparation puts into constant pressure titration funnel, and control is dripped in 3h, dripped
Bi Hou, 85 DEG C are warming up to by system, are incubated a hour, and last cooling discharge obtains perfluoropropene yogurt liquid；
Wherein, the mass ratio of described butyl acrylate and methacrylic acid is 4：9, described perfluorooctylethyl group metering system
Acid esters, octadecyl base, butyl acrylate, lauryl mercaptan mass ratio are 18：12：7：3, described emulsifying agent is emulsifying agent
ER-30 and emulsifying agent SR-10 in mass ratio 2：1 mixture, described cosolvent is ethanol or propylene glycol monomethyl ether.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417177A (en) * | 1932-12-22 | 1934-09-24 | Minnesota Mining & Mfg | Improvements in or relating to flexible abrasive articles, sandpaper or the like, and processes for making same |
| CN104611934A (en) * | 2015-02-10 | 2015-05-13 | 苏州陈恒织造有限公司 | Waterproof agent for fabrics and preparation method of waterproof agent |
| CN104727149A (en) * | 2015-03-19 | 2015-06-24 | 苏州陈恒织造有限公司 | Oil-and-water-repellent finishing agent for fabric and preparation method of oil-and-water-repellent finishing agent |
| CN104772714A (en) * | 2015-03-26 | 2015-07-15 | 常州市金牛研磨有限公司 | Double-faced abrasive paper |
| CN105500225A (en) * | 2015-12-25 | 2016-04-20 | 江苏锋芒复合材料科技集团有限公司 | High comprehensive performance composite grinding piece and manufacturing method thereof |
-
2017
- 2017-05-26 CN CN201710386433.9A patent/CN107116486B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417177A (en) * | 1932-12-22 | 1934-09-24 | Minnesota Mining & Mfg | Improvements in or relating to flexible abrasive articles, sandpaper or the like, and processes for making same |
| CN104611934A (en) * | 2015-02-10 | 2015-05-13 | 苏州陈恒织造有限公司 | Waterproof agent for fabrics and preparation method of waterproof agent |
| CN104727149A (en) * | 2015-03-19 | 2015-06-24 | 苏州陈恒织造有限公司 | Oil-and-water-repellent finishing agent for fabric and preparation method of oil-and-water-repellent finishing agent |
| CN104772714A (en) * | 2015-03-26 | 2015-07-15 | 常州市金牛研磨有限公司 | Double-faced abrasive paper |
| CN105500225A (en) * | 2015-12-25 | 2016-04-20 | 江苏锋芒复合材料科技集团有限公司 | High comprehensive performance composite grinding piece and manufacturing method thereof |
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