CN104562689A - Backing material treated by amino resin, coated abrasive tool product containing and utilizing backing material as well as preparation method of backing material - Google Patents
Backing material treated by amino resin, coated abrasive tool product containing and utilizing backing material as well as preparation method of backing material Download PDFInfo
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- CN104562689A CN104562689A CN201310485931.0A CN201310485931A CN104562689A CN 104562689 A CN104562689 A CN 104562689A CN 201310485931 A CN201310485931 A CN 201310485931A CN 104562689 A CN104562689 A CN 104562689A
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- Prior art keywords
- lining materials
- back lining
- amino resins
- amino
- process according
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Classifications
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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
- B24D11/02—Backings, e.g. foils, webs, mesh fabrics
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/273—Coating or impregnation provides wear or abrasion resistance
Abstract
The invention relates to a backing material treated by amino resin. The backing material treated by the amino resin comprises the backing material saturated by an amino resin solution, wherein the solution comprises alkylated trimethylol melamine obtained through reaction of trimethylol melamine and alkanol. The invention further comprises a coated abrasive tool product comprising the backing material and methods for preparing and utilizing amino resin composition and the coated abrasive tool product. The methods and system for utilizing and producing the coated abrasive tool product are improved and cost-effective.
Description
Technical field
The present invention relates to through the fabric composition of amino resins process, the abrasive product comprising described fabric composition and preparation and the fabric composition of use through amino resins process and the method for Coated abrasive articles.
Background technology
Coated abrasive tool product is used in multiple industry and domestic. applications.Coated abrasive tool product generally includes backing substrate, on it, apply abrasive material.Abrasive material is applied to back lining materials side usually, and is made up of " primer (the make coat) " containing adhesive material, is then implanted on primer by abrasive grain.Then on primer and abrasive grain, apply " (size coat) " the multiple glue-line comprising the second adhesive.Some coated abrasive tool products also comprise " super coating (the supersize coat) " that cover abrasive material.Super coating generally includes grinding aid and/or anti-loading material.
Or abrasive material can be " slurry coating ", wherein abrasive grain is dispersed in form abrasive slurries in adhesive material, and then slurry is applied to back lining materials.
Coated abrasive articles is before applying abrasive material, backing also can through one deck or which floor process, layer (namely to comprise " back of the body is coated with (back size) ", be applied to the coating on side relative with having abrasive material on back lining materials), pre-applying glue (pre-size) layer, following layer (tie1ayer, that is, between abrasive material and backing front or impregnate layer, there is the coating be fixed with between abrasive material).Or backing can comprise the back of the body further and be coated with (sub-size) process.Back of the body painting is similar to impregnation process, but it is for backing treated in advance.
Conventional back sheet generally includes various types of resin (such as, polyvinyl alcohol, starch, latex, phenolic resins and Lauxite); But all these process are all subject to various restriction, such as, deficiency of adhering between each layer, poor heat resistance, wear no resistance, easily degrade because of the existence of solvent or solidification temperature rising.In addition, conventional backing process can emitting multiple volatile compound, makes abrasive material have unwanted porous, can stain or disturb the solidification of abrasive material.
At present, coated abrasive tool is pursued the while that manufacturing cost reducing can maintain or improve coated abrasive tool properties of product again, this needs the improvement of manufacturing process and use cost to save system.
Summary of the invention
The invention provides the back lining materials through amino resins process, it comprises:
Amino resins, it comprises and has the melamine resin of following formula through modification
Wherein R
1, R
2, R
3respective representative is selected from hydrogen and has the independent substituting group of alkyl of 1 to 4 carbon atoms; With
Back lining materials, wherein said back lining materials is impregnated with described amino resins.
The present invention also provides another through the back lining materials of amino resins process, and it comprises:
Amino resins, its comprise by trimethylol melamine and reaction of alkanol are obtained through alkylating trimethylol melamine; With
Back lining materials, wherein said back lining materials is impregnated with described amino resins.
The present invention also provides coated abrasive tool product, and it comprises:
The above-mentioned back lining materials through amino resins process, and
Apply process at described abrasive material on the back lining materials of amino resins process.
The invention provides another Coated abrasive articles, it comprises:
Through the back lining materials of amino resins process, its be impregnated with solidification have following formula through modified melamine-formaldehyde resin:
Wherein R
1, R
2, R
3respective representative is selected from hydrogen and has the independent substituting group of alkyl of 1 to 4 carbon atoms; With
Abrasive material, it is applied to described on the back lining materials of amino resins process.
The present invention further provides the method for preparation through the back lining materials of amino resins process, it comprises:
Mixing water, catalyst and through modified melamine-formaldehyde resin to form amino resin solution,
Make back lining materials saturated with the back lining materials forming impregnation process with described amino resin solution; With
Solidify the described back lining materials through impregnation process to form the described back lining materials through amino resins process,
Wherein said have following formula through modified melamine-formaldehyde resin
Wherein R
1, R
2, R
3respective representative is selected from hydrogen or has the independent substituting group of alkyl of 1 to 4 carbon atoms.
Accompanying drawing explanation
One of ordinary skill in the art can understand the present invention better by reference to accompanying drawing and understand multiple object of the present invention and advantage.
Fig. 1 illustrates the flow chart of the embodiment of the method for treated fabric liner produced according to the present invention.
Fig. 2 illustrates the schematic diagram of the embodiment of treated fabric backed method produced according to the present invention.
Fig. 3 illustrates the cross section of the embodiment of coated abrasive tool of the present invention.
Fig. 4 illustrates the cross section of the embodiment of coated abrasive tool of the present invention.
Fig. 5 compares containing catalyst with not containing the chart of the temperature-dependent storage modulus (G ') of the amino resin solution sample of catalyst.
Fig. 6 is the chart that the body of the embodiment of the present invention of polyester sample through amino resins process keeps test data.
Fig. 7 is the chart of the body maintenance test data of the comparative polyester sample through phenolic resins process.
Fig. 8 is the photo at the fabric examples edge through amino resins process, and its display fabric edge is smooth and straight.
Fig. 9 is the photo of the comparative fabric edge through phenolic resins process, and its display fabric edge is wrinkling and bending.
In different drawings, same reference numeral is used to indicate similar or identical items.
Detailed description of the invention
Following explanation and graphic helping is provided to understand the teachings disclosed herein.Below discuss and will concentrate on specific embodiments and the embodiment of described teachings.Carry helping to set forth described teachings and the restriction of the category that should be interpreted as described teachings and applicability.
When relating to value, term " average " means mean value, geometric mean or median.Term used herein " comprises (comprises) ", " comprising (comprising) ", " comprising (includes) ", " comprising (including) ", " having (has) ", " having (having) " or its any other version are intended to contain nonexcludability and comprised.Such as, comprise the technique of series of features, method, goods or equipment and may not be only limitted to described feature, but can comprise and clearly not enumerating or further feature that described technique, method, goods or equipment are intrinsic.Phrase used herein " substantially by ... composition (consists essentially of) " or " substantially by ... composition (consisting essentially of) " mean subject that described phrase sets forth and do not comprise any other and affect in fact the component of the character of described subject.
In addition, contrary unless explicitly stated, otherwise "or" refers to the "or" of comprising property instead of the "or" of exclusiveness.Such as, any one A or B:A that satisfy condition is below true (or existence) and B is false (or not existing), A is false (or not existing) and B is true (or existence), and A and B both true (or existence).
" one (a) " or " one (an) " is used to set forth the element and assembly of setting forth herein.This is for convenience's sake and represents the general sense of scope.Unless this elaboration obviously means other situation, otherwise should be understood as and comprise one or at least one, and odd number also comprises plural reference, vice versa.
In addition, when mentioning with the value of range format statement, it comprises each and each value in described scope.When having term " about " or " approximately " before numerical value, such as, when setting forth digital scope, also intend to comprise exact numerical values recited.Such as, the digital scope started with " about 25 " intends also to comprise the scope started with definite 25.In addition, should be appreciated that, be set fourth as mentioning " at least about ", " being greater than ", " being less than " or " being not more than " value time, it can comprise the scope of wherein said arbitrary minimum of a value or maximum.
Phrase used herein " average particulate diameter " can refer to mean value, average or meta particle diameter, general also referred to as D50 in the industry.
Unless otherwise defined, otherwise all technology used herein and scientific terminology all have with those skilled in the art of the invention usually understand identical implication.Material, method and example only for illustration of and do not intend to limit.For the aspect do not set forth herein, the many details about concrete material and processing action are all conventional, and can see the textbook in coated abrasive tool field and other source.
Referring now to graphic, Fig. 1 illustrates the flow chart of the embodiment of the technique for the preparation of the back lining materials through amino resins process.During step 101, mixed amino resin, catalyst and water are to form amino resin solution.During step 103, flood back lining materials (herein also referred to as " soaking into ") with amino resin solution.Optionally, the amount of dipping (that is, regulating the amount of additional (add on) amino resins weight) can be regulated in step 105.During step 107, be cured to the back lining materials after solidifying dipping completely (that is, be cured at least partly and solidify added amine-group resin completely) at least partly to form the back lining materials through amino resins process.
With reference to Fig. 2, show the technique 200 for the preparation of the back lining materials through amino resins process.Back lining materials 201 can be immersed in amino resin solution 203.By (such as) back lining materials 205 between a pair running roller 207 after extrusion impregnating to regulate the pickup of back lining materials (that is, regulating the amount of amino resins contained by back lining materials).The precuring back lining materials 209 of impregnation process can be put into drying room 211 (such as more piece drying room) to be cured to complete curing amino resin at least partly and to form the back lining materials 215 through amino resins process.Back lining materials through amino resins process can use for future in rolling 217, or it is processed into Coated abrasive articles further.
The preparation of amino resin solution
All compositions in amino resin solution all fully mix.Mixing can use its combination of shear conditions, moderate shear condition, low sheraing conditioned disjunction to carry out.Usually, carry out mixing until each composition fully mixes.
Between the mixing period of amino resin solution composition, can add to one by one, in batches or all disposable for each composition in amino resin solution.Usually, each composition is added in amino resin solution one by one.If each composition adds one by one or in batches, so amino resin solution can be stirred a period of time, until described composition is fully mixed in amino resin solution.According to the composition added in amino resin solution, the typical stirring time is in about 1 minute to about 2 hours window.
If desired, the temperature of amino resin solution can during mixing be regulated.During mixing the temperature of amino resin solution can about 15 DEG C to about 45 DEG C, such as about 20 DEG C within the scope of about 25 DEG C.During mixing can regulate the pH value of amino resin solution.If desired, adjust ph is carried out by adding acid, alkali, cushioning liquid or its combination.The pH value of amino-acid resin solution usually close to neutral, but can be acidity or alkalescence, such as, within the scope of about 3pH to about 9pH.
The amount of adjustable amino resins, catalyst and water is to control the viscosity of amino resin solution.Its viscosity can be monitored when preparing amino resin solution.In one embodiment, the viscosity of amino resin solution is adjusted in particular range.In one embodiment, before adding in amino resin solution by catalyst, the viscosity of amino resin solution is within the scope of about 10cps to about 200cps.After addition of the catalyst, the viscosity of amino resin solution can within the scope of about 10cps to about 450cps.
In one embodiment, the composition of amino resin solution can comprise:
About 30wt% to about 94wt% amino resins;
About 0.05wt% to about 5wt% catalyst; With
All the other are water, and wherein each percentage is gross weight based on amino resin solution and the percentage summation of all compositions is 100wt%.Optionally, also about 0.1wt% can be added in amino resin solution to the additive of about 5wt%.If comprise one or more additives, so the amount of adjustable water is to make the total amount summation of each composition in amino resin solution for 100wt%.
In an embodiment, in amino resin solution, the total amount of amino resins can be not less than about 30wt%, is not less than about 35wt%, is not less than about 40wt%, is not less than about 45wt%, is not less than about 50wt%, is not less than about 55wt%, is not less than about 60wt%, is not less than about 65wt%, is not less than about 70wt% or is not less than about 75wt%.In another embodiment, in amino resin solution, the amount of amino resins can be not more than about 94wt%, is not more than about 90wt%, is not more than about 85wt% or is not more than about 80wt%.In amino resin solution amino resins amount can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, in amino resin solution, the amount of included amino resins can be not less than about 50wt% to being not more than within the scope of about 94wt%.
In an embodiment, in amino resin solution, the total amount of catalyst can be not less than about 0.05wt%, is not less than about 0.075 wt%, is not less than about 0.1wt%, is not less than about 0.2wt%, is not less than about 0.3wt%, is not less than about 0.4wt%, is not less than about 0.5wt%, is not less than about 0.6wt%, is not less than about 0.7wt%, is not less than about 0.8wt%, is not less than about 0.9wt% or is not less than about 1.0wt%.In another embodiment, in amino resin solution, the amount of catalyst can be not more than about 5wt%, is not more than about 4wt%, is not more than about 3wt%, is not more than about 2.5wt%, is not more than about 2.25wt% or is not more than about 2.0wt%.In amino resin solution catalyst amount can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, in amino resin solution, the amount of included catalyst can be not less than about 0.8wt% to being not more than within the scope of about 2.2wt%.
The amount of water in amino resin solution can be regulated as required.In an embodiment, in amino resin solution, the total amount of water can be not less than about 1wt%, is not less than about 5wt%, is not less than about 10wt% or is not less than about 15wt%.In another embodiment, in amino resin solution, the amount of water can be not more than about 70wt%, is not more than about 60wt%, is not more than about 50wt%, is not more than about 40wt%, is not more than about 30wt% or is not more than about 20wt%.In amino resin solution water amount can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, in amino resin solution, the amount of included water is not less than about 1wt% to being not more than within the scope of about 70wt%.
In an embodiment, in amino resin solution, catalyst can in about 1: 1000 to about 1: 16 scope to the weight ratio of amino resins.In an embodiment, catalyst can be at least about 1: 1000 to the weight ratio of amino resins, such as at least about 1: 800, at least about 1: 500, at least about 1: 200, at least about 1: 100, at least about 1: 90, at least about 1: 85 or even at least about 1: 80.In an embodiment, catalyst can be not more than about 1: 16 to the weight ratio of amino resins, such as, be not more than about 1: 20, be not more than about 1: 25 or be not more than about 1: 30.In amino resin solution water amount can comprise aforementioned arbitrary in the scope of upper and lower bound.In an embodiment, in amino resin solution, catalyst can in about 1: 800 to about 1: 32 scope to the weight ratio of amino resins.
Amino resins
The amino resins be applicable in amino resin solution can comprise through modification or the melamine resin through closing.In an embodiment, amino resins is through alkylating trimethylol melamine resin (being hereinafter " ATMM ").In an embodiment, amino resins can have following formula
Wherein R1, R2, R3 represent the independent substituting group of the alkyl being selected from hydrogen or have 1 to 4 carbon atoms separately, to form amino resin solution.
In an embodiment, R1, R2 and R3 are hydrogen.In another embodiment, R1, R2 and R3 are methyl.In another embodiment, R1, R2 and R3 are ethyls.In another embodiment, R1, R2 and R3 are n-pro-pyls.In another embodiment, R1, R2 and R3 are isopropyls.In another embodiment, R1, R2 and R3 are normal-butyls.In another embodiment, R1, R2 and R3 are 2-butyl.In another embodiment, R1, R2 and R3 are isobutyl groups.R1, R2 can identical, different or its combinations with R3.
Should be appreciated that, obtain through the reaction (that is, being its product) of alkylating trimethylol melamine by trimethylol melamine and alkanol.In an embodiment, alkanol can comprise 1 to 4 carbon atoms.In a particular embodiment, alkanol is methyl alcohol.Described reaction can be carried out in aqueous.
In a particular embodiment, be 1,3,5-triazines-2,4,6-triamine through upgrading melamine resin, N2, N4, N6-tri-(methoxy), its chemical constitution shows below.
Catalyst
Amino resin solution can comprise catalyst.Catalyst can be the mixture of single compound or compound.In an embodiment, suitable catalyst immunomodulator compounds comprises the alkyl acid or its combination that are substituted or are unsubstituted.In another embodiment, catalyst can comprise or be selected from alkyl phosphoric acid, alkyl sulfonic acid or its combination.In an embodiment, catalyst can comprise phosphoric acid, alkyl acid phosphate, alkyl benzene sulphonate through amine end-blocking, hydrochloric acid, naphthalene sulfonic acids, alkyl phenyl phosphate, alkyl benzene sulphonate, through end-blocking p-methyl benzenesulfonic acid (p-TSA) or its combination.
Water
According to embodiment, amino resin solution can comprise water.Water can be running water, distilled water, deionized water or its combination.
Impregnation process back lining materials
(" soak into " also referred to as with amino resin solution herein) to make back lining materials fully be immersed in amino resin solution by the enough amino resin solution of any applying.In an embodiment, flood by with amino resin solution or wherein back lining materials infiltrated, spray, submergence, coating or washing or its combination come.Dipping can be used as one step or multiple step is carried out, such as, repeatedly to flood back lining materials with amino resin solution or repeatedly spray.In a particular embodiment, back lining materials is impregnated in amino resin solution.In another embodiment, with amino resin solution, back lining materials is sprayed.
Saturated amount-spread
The amount of the amino resin solution of back lining materials dipping (that is, the amount of amino resin solution being adhered to back lining materials and/or being absorbed by back lining materials) is also referred to as " gluing " weight of amino resin solution.Pickup can be expressed as the percentage of the initial weight of back lining materials.Such as, 100g/m as heavy in dried fruit back lining materials
2and weigh 150g/m after impregnating
2, so cloth will for impregnated of 50%.Or pickup can be expressed as the amount of the gluing weight of amino resin solution.Such as, 100g/m as heavy in dried fruit back lining materials
2and weigh 150g/m after impregnating
2, so pickup will be expressed as the 50g/m of amino resin solution
2gluing weight.Pickup also can be expressed as the initial weight of back lining materials and the percentage of gluing weight.
In an embodiment, the pickup of back lining materials can be not less than about 1wt%, be not less than about 2.5wt%, be not less than about 5wt%, is being not less than about 10wt%, is being not less than about 12.5wt%, is being not less than about 15wt%, is being not less than about 20wt%, is being not less than about 25wt%, is being not less than about 30wt% or is not less than within the scope of about 35wt%.In another embodiment, the pickup of back lining materials can be not more than about 500wt%, is not more than about 400wt%, is not more than about 300wt%, is not more than about 200wt%, is not more than about 100wt%, is not more than about 90wt%, is not more than about 80wt%, is not more than about 70wt%, is not more than about 60wt%, is not more than about 50wt% or is not more than about 40wt%.The pickup of back lining materials can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the pickup of back lining materials can be not less than about 1wt% to being not more than within the scope of about 500wt%.
In an embodiment, the pickup of back lining materials can at about 10g/m
2to about 300g/m
2in the scope of back lining materials.In an embodiment, the pickup (that is, wet added amine-group resin solution weight) of back lining materials can be at least about 10g/m
2, such as, at least about 50g/m
2, at least about 100g/m
2, at least about 150g/m
2, at least about 200g/m
2or at least about 250g/m
2.In an embodiment, the pickup of back lining materials can be not more than about 300g/m
2, such as, be not more than about 250g/m
2, be not more than about 200g/m
2, be not more than about 150g/m
2, be not more than about 100g/m
2or be not more than about 50g/m
2in scope.The pickup of back lining materials can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the pickup of back lining materials can be not less than about 10g/m
2to about 300g/m
2in scope.
regulate dipping
Illustrate as in Figure 1 and Figure 2, adjustable amino resin solution makes back lining materials pickup.Regulate the dipping of amino resin solution to come by any method or mechanism, described method or mechanism can not too much degrade back lining materials and the amino resin solution making to be applied to back lining materials arrive needed for pickup.Regulate the amount of amino resin solution can complete at single or multiple.Regulate the amount of amino resin solution can comprise squeezing, extrude, brush, sweep, blow, gently wipe, paper using inhales (blotting), vibration, it combines.In a particular embodiment, can (such as) back lining materials between a pair roller after extrusion impregnating to regulate the pickup of back lining materials.
Back lining materials
Back lining materials can be organic material, inorganic material, natural material, synthetic material or its combination.Backing can be flexibility or rigidity.Back lining materials can be made up of the combination of homogenous material or multiple material.In an embodiment, specific back lining materials is polyester material.In an embodiment, back lining materials is or comprises polyester textile.Polyester textile can be the fabric mixture of the fiber comprising polyester fiber and one or more other types.In an embodiment, back lining materials can be cloth (such as, by comprising polyester, nylon (nylon), silk, cellulose fibre, cotton, viscose rayon, Fypro, polyamines, polyester-cotton blend, staple fibre (rayon) or its fiber combined or the thread cloth of yarn).In an embodiment, back lining materials can be the combination backing material comprising polyester material and one or more such as other back lining materials such as the following: paper; Vulcanized paper; Vulcanized rubber; Vulcanised fibre; Non-woven fabrics, thermoplastic film (such as PET (PET) film), network of fibers (such as pad, felt, fabric or the fabric of natural or synthetic fibers (comprising mineral fibres, glass fibre, polymer fiber, string or its combination)); Or its any treated form.Cloth back lining materials can be braided material, woven material, combing material, general comb material, filamentary material or its any combination.Back lining materials can be through arranging cloth, not arranging cloth (i.e. " grey cloth ") or its combination.In a particular embodiment, back lining materials does not arrange polyester textile.In a particular embodiment, back lining materials is tatting polyester textile.In another specific embodiment, back lining materials is the polyester blend fabric of 90% polyester and 10% cotton fiber.
According to embodiment, back lining materials can comprise at least about 50wt% polyester before dipping, such as at least about 60wt% polyester, at least about 70wt% polyester, at least about 75wt% polyester, at least about 80wt% polyester, at least about 90wt% polyester or even at least about 95wt% polyester.In an embodiment, back lining materials can comprise and be not more than about 95wt% polyester before dipping, such as, be not more than about 90wt% polyester, be not more than about 80wt% polyester, be not more than about 75wt% polyester, be not more than about 70wt% polyester or be not even greater than about 60wt% polyester, be not more than about 50wt% polyester.The amount of back lining materials before dipping can comprise aforementioned arbitrary in the scope of upper and lower bound.
Dried/cured
After flooding back lining materials with amino resin solution and after adjusting the pickup of back lining materials, the back lining materials through flooding or flood appropriate precuring can experience solidification with the back lining materials through amino resins process formed.This back lining materials through amino resins process completed is impregnated with the amino resins of solidification.Solidification can be carried out in one step or multiple step.Solidification has come by being exposed to thermal source (such as heating tunnel or baking oven (comprising multistage baking oven) etc.).Substituting heating source can comprise and is exposed to infrared radiation lamp etc.
In one embodiment, the back lining materials (or dipping back lining materials through regulating) of dipping solidifies at a certain temperature.Dipping is made to be attached to the amino resins solidification of back lining materials.In one embodiment, solidification temperature is at least about 95 DEG C, such as, at least about 100 DEG C, such as, at least about 110 DEG C or at least about 125 DEG C.In one embodiment, solidification temperature is not more than about 175 DEG C, such as, be not more than about 170 DEG C, be not more than about 165 DEG C, be not more than about 160 DEG C, be not more than about 155 DEG C or be not more than about 150 DEG C.The solidification temperature of back lining materials can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, solidification temperature can be not less than within the scope of 100 DEG C to about 150 DEG C.
According to an embodiment, back lining materials (or through flooding the back lining materials regulated) (even if added amine-group resin solution of back lining materials dipping) through dipping is curable to specific degrees.In one embodiment, added amine-group resin solution back lining materials being flooded can solidify partially cured or completely.In a particular embodiment, the curable degree to making the fabric inviscid (be not namely clamminess, do not adhere on finger) previously flooded of added amine-group resin solution.In a specific embodiment, through saturated back lining materials partially cured and touch time be not clamminess.In another specific embodiment, be not clamminess when the back lining materials of dipping solidifies completely and touches.The back lining materials through amino resins process being impregnated with partially cured or completely crued amino resins is not clamminess in feel.
In one embodiment, back lining materials can be cured to noncohesive degree in special time length.In one embodiment, back lining materials can at least about 30 seconds, such as at least about 45 seconds, at least about 60 seconds, at least about 90 seconds, at least about 120 seconds, at least about 150 seconds, at least about 180 seconds, at least about 210 seconds, at least about 240 seconds or be even cured to noncohesive degree in 270 seconds.In an embodiment, back lining materials can be not more than about 300 seconds, such as, be not more than about 270 seconds, be not more than about 240 seconds, be not more than about 210 seconds, be not more than about 180 seconds, be not more than about 150 seconds, be not more than about 120 seconds, be not more than about 90 seconds, be not more than about 60 seconds or be not even greater than in about 45 seconds and be cured to noncohesive degree.Back lining materials aforementionedly arbitraryly can be cured to noncohesive degree in the special time length in the scope of upper and lower bound comprising.In a particular embodiment, back lining materials can be cured to noncohesive degree not being shorter than 30 seconds to no longer than in the scope of about 300 seconds.
Should be appreciated that, compared with conventional backing process, of the present invention can shockingly and be cured to tack-free state at lower temperature (such as about less than 50 DEG C) and be even cured to complete solid state valuably through saturated back lining materials embodiment.Especially guarantee Coated abrasive articles completely crued prolongation hardening time (such as, 20 hours) relative to being generally used for, the reduction of solidification temperature significantly reduces energy consumption.In addition, lower solidification temperature avoids back lining materials thermal degradation, helps prevent the Coated abrasive articles premature failure through amino resins process thus.
In addition, physics and the abrasive properties character of excellent benefit is represented through the back lining materials of amino resins process.
Product characteristics
Specific beneficial aspects can be had according to the back lining materials through amino resins process that this paper embodiment is formed.According to embodiment, the back lining materials through amino resins process can have the specific hot strength factor.The hot strength factor may be defined as hot strength through the back lining materials of amino resins process to the ratio of the hot strength through processed conventionally back lining materials or undressed back lining materials.Or the hot strength factor may be defined as the percentage of increase compared with the hot strength through processed conventionally back lining materials or undressed back lining materials.
In an embodiment, the hot strength factor can be through processed conventionally back lining materials or undressed back lining materials at least about 1.0, such as at least about 1.05, at least about 1.1, at least about 1.15 or at least about 1.2.In an embodiment, the hot strength factor can be and is not more than about 2.5 through processed conventionally back lining materials or undressed back lining materials, such as, be not more than about 2.25, be not more than about 2.0, be not more than about 1.75, be not more than about 1.5 or be not more than about 1.4.Through the back lining materials of amino resins process the hot strength factor can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the hot strength factor through the back lining materials of amino resins process can be not less than 1.0 to being not more than in about 2.5 scopes through processed conventionally back lining materials or undressed back lining materials.
In an embodiment, the hot strength factor can be the increasing at least about 2.5% of hot strength through processed conventionally back lining materials or undressed back lining materials, such as at least about 5% increasing, at least about 7.5% increasing, increasing at least about 10% or increase at least about 12.5%.In an embodiment, the hot strength factor can be about 100% to be increased through being not more than of hot strength of processed conventionally back lining materials or undressed back lining materials, and being such as not more than about 75% to increase, be not more than about 50% and increase or be not more than about 25% and increase.Through the back lining materials of amino resins process the hot strength factor can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the hot strength factor through the back lining materials of amino resins process about 2.5% can be increased to and is being not more than within the scope of about 100% increase through being not less than of processed conventionally back lining materials or undressed back lining materials.
According to embodiment, the back lining materials through amino resins process can have the specific percentage elongation factor.The percentage elongation factor may be defined as percentage elongation through the back lining materials of amino resins process to the ratio (the percentage elongation factor is more low better) of the percentage elongation through processed conventionally back lining materials or undressed back lining materials.Or, extend the percentage that the factor may be defined as reduction compared with the percentage elongation through processed conventionally back lining materials or undressed back lining materials.According to embodiment, back lining materials through amino resins process can have the specific elongation factor, and it may be defined as under 600N through the ratio of the percentage elongation of the back lining materials of amino resins process to the percentage elongation through processed conventionally back lining materials or undressed back lining materials.In an embodiment, extending the factor can be not more than 1.0, such as, be not more than 0.95, be not more than 0.9, be not more than 0.85, be not more than 0.80 or be not more than 0.75.In an embodiment, extend the factor and can be not less than about 0.5, such as, be not less than about 0.4 or be not less than about 0.3.Through the back lining materials of amino resins process the percentage elongation factor can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the percentage elongation factor through the back lining materials of amino resins process can be not more than about 1.0 to being not less than in about 0.3 scope through processed conventionally back lining materials or undressed back lining materials.
In an embodiment, the percentage elongation factor can be the reducing at least about 2.5% of percentage elongation through processed conventionally back lining materials or undressed back lining materials, such as at least about 5% reducing, at least about 7.5% reducing, at least about 10% reducing, at least about 12.5% reducing, at least about 15% reducing, reducing at least about 17.5% or reduce at least about 20.0%.In an embodiment, the percentage elongation factor can be and about 100% to reduce through being not more than of percentage elongation of processed conventionally back lining materials or undressed back lining materials, such as, be not more than about 75% and reduce or be not more than about 50% to reduce.Through the back lining materials of amino resins process the percentage elongation factor can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the percentage elongation factor through the back lining materials of amino resins process about 2.5% can be reduced to and is being not more than within the scope of about 100% reduction through being not less than of processed conventionally back lining materials or undressed back lining materials.
In an embodiment, the vision that can have a certain percentage through the back lining materials of amino resins process can detect bubble.In an embodiment, the percentage that vision can detect bubble can be prepares 5% to 0% of the surface area of material through amino resins process.In a particular embodiment, the back lining materials through amino resins process does not contain macroscopic bubble.
According to embodiment, the back lining materials through amino resins process can have specific body and keep the factor.Body keeps the factor to may be defined as elongation strain through the back lining materials of amino resins process to the ratio of the elongation strain through processed conventionally back lining materials or undressed back lining materials (body keep the factor more low better).Or body keeps the factor to may be defined as the percentage of reduction compared with the elongation strain through processed conventionally back lining materials or undressed back lining materials.
According to embodiment, back lining materials through amino resins process can have specific body and keep the factor, and it may be defined as and strain through the maximum tension of the back lining materials of amino resins process the ratio strained the maximum tension through processed conventionally back lining materials or undressed back lining materials under 500N or 100N.In an embodiment, body keeps the factor to be not more than 1.0, such as, be not more than 0.95, be not more than 0.9, be not more than 0.85, be not more than 0.80 or be not more than 0.75.In an embodiment, body keeps the factor can be not less than about 0.6, such as, be not less than about 0.5 or be not less than about 0.4.Through the back lining materials of amino resins process body keep the factor can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the factor is kept can be not more than about 1.0 to being not less than in about 0.4 scope through processed conventionally back lining materials or undressed back lining materials through the body of the back lining materials of amino resins process.
In an embodiment, body keeps the factor to can be the reducing at least about 2.5% of elongation strain through processed conventionally back lining materials or undressed back lining materials, such as at least about 5% reducing, at least about 7.5% reducing, at least about 10% reducing, at least about 12.5% reducing, at least about 15% reducing, reducing at least about 17.5% or reduce at least about 20.0%.In an embodiment, body keeps the factor can be about 100% reducing through being not more than of elongation strain of processed conventionally back lining materials or undressed back lining materials, such as, be not more than about 75% to reduce, be not more than about 50% and reduce or be not more than about 40% to reduce.Through the back lining materials of amino resins process body keep the factor can comprise aforementioned arbitrary in the scope of upper and lower bound.In a particular embodiment, the factor is kept about 12.5% can be reduced to and to be not more than within the scope of about 100% reduction through being not less than of processed conventionally back lining materials or undressed back lining materials through the body of the back lining materials of amino resins process.
the preparation of coated abrasive tool
Back lining materials through amino resins process can be used to prepare Coated abrasive articles.In an embodiment, abrasive material is arranged on the back lining materials of amino resins process.Optionally, can by coating procedure used in the industry to multiple glue, super coating, back of the body painting (back coat) or other coated abrasive tool any, to make the Coated abrasive articles of the backing with amino resins process.
Abrasive material
Abrasive material can comprise primer or abrasive slurries.Prime coat layer or abrasive slurries can comprise multiple abrasive grain (herein also referred to as abrasive particle) retained by polymeric binder composition.Polymeric binder composition can be waterborne compositions.Polymeric binder composition can be thermoset composition, radiation-curable composition or its combination.
Abrasive particle
Abrasive particle can comprise substantially single-phase inorganic material, such as aluminium oxide, carborundum, silica, ceria and harder high-performance super hard abrasive particle (such as cubic boron nitride and diamond).In addition, abrasive particle can comprise composite particulate material.Described material can comprise the polymerization ball formed by slurry processing approach, described slurry processing approach comprises and removes liquid-carrier by volatilizing or evaporating, leave environmental protection polymerization ball (green aggregate), optionally carry out high-temperature process (that is, firing) afterwards to form available sintering polymerization ball.In addition, abrasive material district can comprise have macrostructure and specific three dimensional structure through transformation abrasive material.
In an example embodiment, abrasive particle and adhesive composite are mixed to form abrasive slurries.Or, backing applies abrasive particle after coating adhesive composite on adhesive composite.Optionally, functional powder can be applied in abrasive material district and adhere to patterned tool to prevent abrasive material district.Or, pattern can be formed in the abrasive material district that there is not functional powder.
Abrasive particle can being combined to form by any one abrasive particle or abrasive particle, comprises silica, aluminium oxide (fusing or sintering), zirconia, zirconia/aluminium oxide, carborundum, garnet, diamond, cubic boron nitride, silicon nitride, ceria, titanium dioxide, titanium diboride, boron carbide, tin oxide, tungsten carbide, titanium carbide, iron oxide, chromium oxide, flint, diamond dust.Such as, the group that forms below of the optional freedom of abrasive particle: the alumina zirconia of silica, aluminium oxide, zirconia, carborundum, silicon nitride, boron nitride, garnet, diamond, congruent melting, ceria, titanium diboride, boron carbide, flint, diamond dust, aluminium nitride and its admixture.By using the fine and close abrasive particle mainly comprising Alpha-alumina to produce specific embodiment.
Abrasive particle also can have given shape.The example of described shape comprises bar-shaped, triangle, pyramid, taper, medicine ball, hollow ball etc.Or abrasive particle can have irregularly shaped.
In an embodiment, the average grain diameter of abrasive particle is not more than 800 microns, such as, be not more than about 700 microns, be not more than 500 microns, be not more than 200 microns or be not more than 100 microns.In another embodiment, abrasive size is at least 0.1 micron, at least 0.25 micron or at least 0.5 micron.In another embodiment, abrasive size is more typically about 0.1 micron to about 150 microns or about 1 micron to about 100 microns for about 0.1 micron to about 200 microns.The particle diameter of abrasive particle is generally designated as the longest dimension of abrasive particle.In general, particle diameter is scope distribution.In some cases, domain size distribution is strictly controlled.
Adhesive-primer
The adhesive of primer or multiple glue can be formed by the mixture of single polymers or polymer.Such as, adhesive can by epoxy resin, acrylic polymer or its be combined to form.In addition, adhesive can comprise filler, such as nanoscale filler or or the combination of nanoscale filler and micron order filler.In a particular embodiment, adhesive is rubstick, and the composite wherein solidifying to form adhesive is the colloidal suspension comprising particle filler.Or or in addition, adhesive can be the nanocomposite adhesive comprising submicron particles filler.
Adhesive generally comprises polymer substrate, and abrasive particle is adhered to backing or corresponding coating (if existence) by it.Usually, adhesive is formed by cure adhesive composite.In an experiment case study, adhesive composite comprises polymeric components and decentralized photo.
Adhesive composite can comprise one or more reaction compositions for the preparation of polymer or polymer composition.Polymer composition can comprise monomer molecule, polymerizable molecular or its combination.Adhesive composite can comprise the component be selected from by the following group formed further: solvent, plasticizer, chain-transferring agent, catalyst, stabilizing agent, dispersant, curing agent, reaction medium and the reagent for the mobility that affects dispersion.
Polymer composition can form thermoplastic or thermosetting substance.Such as, polymer composition can comprise for the formation of following monomer and resin: polyurethanes, polyureas, polymeric epoxy resin, polyester, polyimides, polysiloxanes (silicone), polymeric alcohol acid resin (alkyd), SBR styrene butadiene rubbers, acrylonitrile-butadiene rubber, polybutadiene; Or be generally used for the reaction resin producing thermosetting polymer.Another example comprises acrylate or methacrylate polymers composition.The normally curable organic material of precursor polymer composition (that is, polymer monomer or can be exposed to heat or other energy source (such as electron beam, ultraviolet light, visible ray etc.) afterwards or add chemical catalyst, moisture or other can make the reagent of polymer cure or polymerization after polymerization in time or crosslinked material).The example of precursor polymer composition comprises the reactive composition for the formation of following material: amino polymer or aminoplast polymers, such as, through alkylating urea-formaldehyde polymer, carbamide polymer and through alkylating benzoguanamine-yuban; Acrylate polymer, comprises acrylate and methacrylate polymers, alkyl acrylate, acrylated epoxy resins, acrylated urethanes, acrylated polyesters, acrylated polyethers, vinethene, acrylate carburetion or acroleic acid esterification silicone; Alkyd polymer, such as urethane alkyd resins polymer; Polyester polymers; Reactive amino urethane polymers; Phenol polymer, such as resol and novolaks (novo1ac) polymer; Phenols/latex polymer; Epoxy polymer, such as bisphenol epoxies polymer; Isocyanates; Chlorinated isocyanurates; Polysiloxane polymer, comprises alkylalkoxy silane polymer; Or reaction-ity ethylene based polyalcohol.Adhesive composite can comprise monomer, oligomer, polymer or its combination.In a particular embodiment, adhesive composite comprise at least two types solidify time crosslinkable polymer monomer.Such as, epoxy resin composition and the acrylic compounds composition of epoxy resin/acrylic polymer is formed when adhesive composite can be included in solidification.
Multiple glue
Coated abrasive articles can comprise the multiple gel coating overlayed on abrasive material.Multiple gel coating can be identical or different with the polymeric binder composition for the formation of abrasive material.Multiple glue can comprise the known any conventional composition that can be used as multiple gel coating in the industry.In an embodiment, multiple gel coating comprises the known composition of the routine overlayed in the polymeric binder composition of abrasive material.In another embodiment, size coat comprises the composition identical with the polymeric binder composition of abrasive material.In a particular embodiment, multiple gel coating comprises the composition identical with one or more hydrophobic additives with the polymeric binder composition of abrasive material.In a particular embodiment, hydrophobic additive can be wax, halogenated organic compounds, halogen, metal or metal alloy.
Super coating
Coated abrasive articles can comprise the super coating overlayed on multiple glue.Super coating can with polymeric binder composition or multiple gel coating composition identical or different.Super coating can comprise the known any conventional composition that can be used as super coating in the industry.In an embodiment, super coating comprises the known composition of the routine overlayed on multiple gel coating composition.In another embodiment, super coating comprises the composition identical with at least one in the polymeric binder composition of multiple gel coating composition or abrasive material.In a particular embodiment, super coating comprises and adds the identical composition of one or more grinding aids with the polymeric binder composition of abrasive material or multiple gel coating composition.
Suitable grinding aid can be inorganic alkaline, such as halide salts, such as sodium cryolite and potassium tetrafluoroborate; Or be organic basic, such as lauryl sodium sulfate or chlorinated wax (such as polyvinyl chloride).In an embodiment, grinding aid can be the material of continuity of environment.
The embodiment of the Coated abrasive articles 300 being generally called " coated abrasive tool " is illustrated in Fig. 3.The abrasive material 303 that coated abrasive tool 300 comprises backing 301 and is arranged on backing 301.Abrasive material 303 comprises multiple abrasive grain 305 retained by polymeric binder composition 307.Polymeric binder composition 307 is generally called " primer ", wherein abrasive grain 305 be arranged in polymeric binder composition surface 309 on and part be embedded in polymeric binder composition.The multiple gel coating 311 overlayed on abrasive material 303 also can be comprised through coated abrasive 300.Optionally, super coating (not illustrating) can overlay on multiple gel coating 311.In addition, adhesion promoter layer (not illustrating) is optionally between backing 301 and abrasive material 303.
Another embodiment of Coated abrasive articles 400 is illustrated in Fig. 4.The abrasive material 403 that coated abrasive tool 400 comprises backing 401 and is arranged on backing 401.Abrasive material 403 comprises multiple abrasive grain 405 be dispersed in polymeric binder composition 407.Abrasive material 403 is generally called " abrasive slurries coating ", and wherein abrasive grain 405 is dispersed in polymeric binder composition 407.The multiple gel coating 409 overlayed on abrasive material 403 also can be comprised through coated abrasive 400.Optionally, super coating (not illustrating) can overlay on multiple gel coating 409.In addition, adhesion promoter layer (not illustrating) is optionally between backing 401 and abrasive material 403.
example
Example 1: form the fabric liner through amino resins process
Amino resin solution prepares by being mixed by following composition:
80.0 parts by weight through alkylating trimethylol melamine (" ATMM ") amino resins
The water of 18.9 parts by weight
The catalyst of 1.1 parts by weight
Add water to amino resins and mix to obtain required viscosity.Then catalyst is added in mixture to form amino resin solution.Solution is maintained in about 20-45 DEG C temperature range.
Then described fabric is soaked into by being immersed in amino resin solution by the polyester blend fabric of about 90% polyester and about 10% cotton with described amino resin solution.The fabric after dipping is made subsequently through a pair roller to extrude too much amino resin solution at about 25 DEG C.Impregnate fabric is made to pass drying room with partially cured amino resins.Drying room has several temperature at 125 DEG C to the thermal treatment zone within the scope of 150 DEG C, and the time of staying in drying room continues 0.5 minute to 5 minutes.Amino resins (" additives ") partially cured (that is, and non-fully solidification) and the fabric that impregnated of amino resins is not clamminess (that is, the fabric that impregnated of amino resins can not adhere to finger) in feel.Then the partially cured fabric clot through amino resins process is also stored and prepare Coated abrasive articles for following process.
Example 2: catalyst effect
Amino resin solution is prepared by the catalyst through alkylating trimethylol melamine (ATMM) amino resins and the different amounts shown as listed in Table 1 and water by mixing 80 parts by weight.By the polyester blend fabric of 90wt% polyester and 10wt% cotton is immersed in amino resin solution, and carries out roll subsequently and extrude too much solution.The weight of additional ATMM amino resins is 100 grams/m of (gsm) fabrics.Then impregnate fabric is dried 1min in the baking oven of 150 DEG C.The quality checking the fabric of dipping is touched by visual observations and hand.Observed result is shown in table 2.
Table 1-amino resins sample solution
For sample 1, treated fabric has desiccated surface and has visible bubble in bubble in cured resin.Sample 2 and 3 produces good result, and wherein treated fabric feeling is smooth, is not clamminess, and does not have any visible bubble in bubble.For sample 4, treated fabric feeling is clamminess and does not have any visible bubble in bubble.For sample 5, treated fabric feeling extremely glues and does not have any visible bubble in bubble.
Example 3: rheology test and reaction temperature
Prepare two kinds of amino resin solution.First amino resin solution comprises catalyst (" containing catalyst ") and comprises:
80.0 parts by weight through alkylating trimethylol melamine (" ATMM ") amino resins;
The water of 18.6 parts by weight; With
The catalyst of 1.4 parts by weight.
Second amino resin solution does not comprise catalyst (" not containing catalyst ") and comprises:
80.0 parts by weight through alkylating trimethylol melamine (" ATMM ") amino resins, and
The water of 20.0 parts by weight.
By measuring temperature-dependent storage modulus (G ') to containing catalyst (" containing catalyst ") with do not implement rheologys test containing two samples of each in the amino resin solution of catalyst (" not containing catalyst ").The results are shown in Fig. 5.Data show, along with temperature raises and amino resins starts and continues crosslinked, storage modulus increase.Between the amino resin solution containing catalyst and the amino resin solution not containing catalyst, there were significant differences not observe the initial temperature of cross-linking reaction.But for the solution not containing catalyst, storage modulus is issued to 1MPa at about 150 DEG C.Compared with it, for the solution containing catalyst, storage modulus is issued to 1MPa at about 100 DEG C.This shows, the speed of the cross-linking reaction of the amino resin solution containing catalyst is far above the amino resin solution not containing catalyst.Important and it is advantageous that catalyst significantly reduces obtain the required crosslinked reaction temperature needed, thus significantly reduce curing amino resin and produce the amount of time span that treated back lining materials needs and energy.
Example 4-hot strength and elongation test
Hot strength and test of elongation rate are implemented to comparative treated fabric sample and the treated fabric sample of the present invention.
Amino resin solution of the present invention is by mixing following material to prepare:
80.0 parts by weight through alkylating trimethylol melamine (" ATMM ") amino resins
The water of 18.9 parts by weight
The catalyst of 1.1 parts by weight
Comparative phenol resin solution is by mixing following material to prepare:
The phenolic resins of 80.0 parts by weight
The water of 20.0 parts by weight
A slice (measuring length 20cm, width 5cm) polyester blend fabric (90wt% polyester and 10wt% cotton) to be immersed in amino resin solution of the present invention and to carry out extruding to extrude too much solution.The spread of amino resins is within the scope of 45 to 50 grams/m of (gsm) fabrics.Then the fabric after dipping to be placed in the baking oven of about 105 DEG C to heat and to produce through the fabric of amino resins process with complete curing amino resin for 17 hours.
Reference through phenolic resins process is produced by following steps in the same manner: be immersed in the phenol resin solution of reference by a slice polyester blend fabric, extrude excess solution, and in an oven with same time and temperature-curable to produce the fabric reference through phenolic resins process.
Then at room temperature the present invention is soaked different time sections through the fabric of amino resins process with through the reference thing of phenolic resins process in water.Measure the hot strength of different treated fabric and percentage elongation and be presented in hereafter in table 3 and table 4.
Table 3-hot strength
Data show, through the hot strength of the polyester textile of amino resins process higher than the polyester textile (under 600N power) through phenolic resins process.Through the percentage elongation (under 600N power) of the polyester textile of amino resins process lower than the polyester textile through phenolic resins process.
Example 5-body keeps test
The fabric of the present invention through amino resins process and the reference fabric through phenolic resins process prepare as described in example 5 above.3 samples of 3 samples through the fabric of amino resins process and the fabric through phenolic resins process stand body and keep test.
Body maintenance test is that two opposite sides by clamping fabric sample with two clamps are being implemented through upwards straining to make fabric sample.Test speed is 50mm/min.
Body keeps being expressed as the strain of the average tensile after fabric carries out 10 cycles of elongation with the maximum load power of 600N.The body of the fabric sample through amino resins process and the fabric sample through phenolic resins process keeps the result of test data to be presented in respectively in Fig. 6 and Fig. 7 and following table 5.
Observe, the average tensile of fabric sample after 10 extending force load cycle through amino resins process strains lower than the fabric sample through phenolic resins process.In addition, body maintenance (that is, recovering its original shape) after the fabric sample of amino resins process elongates circulation at 10 is better than the fabric sample through phenolic resins process.
Table 5
The waviness test of example 6-edge:
Prepare according to described in example 4 and 5 above through the polyester textile reference of phenolic resins process and the present invention through the polyester textile sample of amino resins process.
Scollop, scallop is tested.The present invention is shown in Fig. 8 through the edge of the fabric of amino resins process.The edge of the comparative fabric through phenolic resins process is shown in Fig. 9.Measure the maximal margin waviness (that is, inside or outside relative to flattened edge peak excursion) of treated fabric sample.
Fabric through amino resins process does not have visible edge waviness.Compared with it, the fabric through phenolic resins process has 10mm edge waviness.Edge waviness through the fabric of amino resins process reduces to be useful, this is because its can provide more smooth and evenly surface for applying abrasive material, which in turn reduces and prepare the relevant waste of Coated abrasive articles and processing cost to the fabric through amino resins process, and expection also can maintain or strengthen abrasive properties.
Example 7-hot strength and test of elongation rate
Fabric through amino resins process is to prepare with mode similar described in example 4, but the water of the mixing ATMM amino resins of 72 parts by weight and the catalyst of 1 parts by weight and 26 parts by weight prepares amino resin solution.Polyester blended thing (90wt% polyester, 10wt% cotton) fabric (measuring length 20cm, width 5cm) to be immersed in amino resin solution and to carry out extruding to extrude too much solution.The weight of additional resin is 110 to 115 grams/m of (gsm) fabrics.Then the fabric after dipping is heated in an oven at about 105 DEG C 17 hours with complete curing amino resin.With 200mm/min test tensile strength and percentage elongation under 600N.The comparative result of polyester textile to undressed polyester textile through amino process is shown in following table 6.
The hot strength of the treated and unprocessed fabric of table 6-and percentage elongation
Data show, and the fabric through amino resins process has significantly larger hot strength on warp-wise ((2935.4-2232.5/2232.5) * 100=31.5% increases) and broadwise ((1849-1693/1693) * 100=9.2% increases) simultaneously.In addition, the percentage elongation through the fabric of amino resins process is simultaneously remarkable in unprocessed fabric on warp-wise ((4.9-10/10) * 100=51% reduces) and broadwise ((4.4-7.7/7.7) * 100=42.8% reduces).
Hereinbefore, be illustrative to the mentioning of connection of specific embodiment and some assembly.Should be appreciated that, be intended to disclose direct connection between described assembly to through mentioning of coupling or the assembly that connects or by the indirect connection that one or more intermediate modules produce, should be appreciated that these assemblies are in order to implement method as discussed herein.Therefore, subject matter disclosed above should be considered as illustrative instead of binding, and following claims intends to contain all described amendments in true spirit of the present invention, strengthening and other embodiment.In addition, do not need all activities of setting forth in general remark or example above, a concrete movable part may not be needed, and also may perform except described activity one or more other movable.In addition, movable listing orders not necessarily its execution sequence.
Submit to during this disclosure and should be understood that its category being not used in restriction claims or implication.In addition, in foregoing disclosure, some feature be set forth in for clarity in this article in independent embodiment also can be provided in single embodiment in combination.On the contrary, for the multiple features be set forth in for purpose of brevity in single embodiment also can provide separately or with arbitrary sub-portfolio form.In addition, subject matter of the present invention can relate to the also not all, of the features in arbitrary disclosed embodiment.
The solution of benefit, other advantage and problem has been set forth above with reference to specific embodiment.But, the solution of described advantage, benefit and problem and any benefit, advantage or solution can be made to occur or become more significant any feature not to be considered as arbitrary or the key of all authority claim, required or essential characteristic.
Therefore, allowed by law to greatest extent in, category of the present invention is determined by allowing to explain the most widely to the institute of following claims and its equivalent, and should not be subject to constraint detailed above or restriction.
Claims (25)
1., through a back lining materials for amino resins process, it comprises:
Amino resins, it comprises the modified melamine-formaldehyde resin with following chemical formula
Wherein R1, R2, R3 represent the independent substituting group of the alkyl being selected from hydrogen and have 1 to 4 carbon atoms separately; With
Back lining materials, wherein said back lining materials is impregnated with described amino resins.
2., through a back lining materials for amino resins process, it comprises:
Amino resins, its comprise by trimethylol melamine and reaction of alkanol are obtained through alkylating trimethylol melamine; With
Back lining materials, wherein said back lining materials is impregnated with described amino resins.
3. the back lining materials through amino resins process according to claim 2, is characterized in that, described alkanol has 1 to 4 carbon atoms.
4. the back lining materials through amino resins process according to claim 3, is characterized in that, described alkanol is methyl alcohol.
5. the back lining materials through amino resins process according to claim 1 and 2, is characterized in that, described back lining materials comprises polyester textile.
6. the back lining materials through amino resins process according to claim 5, is characterized in that, described back lining materials comprises cellulose fibre, viscose rayon, Fypro or its blend further.
7. the back lining materials through amino resins process according to claim 5, is characterized in that, described polyester fiber content at least 50wt% polyester.
8. the back lining materials through amino resins process according to claim 1 and 2, is characterized in that, the pickup of amino resins is at 10g/m
2to 300g/m
2within the scope of back lining materials.
9. the back lining materials through amino resins process according to claim 8, is characterized in that, the amino resin solution of described applying solidifies being not less than at the temperature of 95 DEG C.
10. the back lining materials through amino resins process according to claim 9, is characterized in that, the amino resin solution of described applying solidifies being not more than at the temperature of 175 DEG C.
11. back lining materials through amino resins process according to claim 9, it is characterized in that, the amino resin solution of described applying solidifies at least partly.
12. back lining materials through amino resins process according to claim 11, it is characterized in that, described back lining materials is inviscid.
13. back lining materials through amino resins process according to claim 12, it is characterized in that, noncohesive hardening time is within the scope of 30 to 300 seconds.
14. back lining materials through amino resins process according to claim 11, it is characterized in that, the hot strength factor is in 1.0 to 2.5 scopes.
15. back lining materials through amino resins process according to claim 11, is characterized in that, the percentage elongation factor had is being not less than 0.3 to being not more than in 1.0 scopes.
16. back lining materials through amino resins process according to claim 12, is characterized in that, the described back lining materials through amino resins process not bubbles.
17. back lining materials through amino resins process according to claim 11, is characterized in that, body that it has keeps the factor being not less than about 0.4 in the scope being not more than about 1.0.
18. back lining materials through amino resins process according to claim 11, is characterized in that, the scollop, scallop height of the described back lining materials through amino resins process is 3mm or less.
19. 1 kinds of coated abrasive tool products, it comprises:
Back lining materials through amino resins process according to claim 1 and 2, and
Abrasive material, it is placed in described on the back lining materials of amino resins process.
20. 1 kinds of coated abrasive tool products, it comprises:
Through the back lining materials of amino resins impregnation process, the modified melamine-formaldehyde resin after its solidification has following structure:
Wherein R1, R2, R3 represent the independent substituting group of the alkyl being selected from hydrogen and have 1 to 4 carbon atoms separately; With
Abrasive material, it is placed in described on the back lining materials of amino resins process.
21. prepare a method for the back lining materials through amino resins process, it comprises:
Mixing water, catalyst and modified melamine-formaldehyde resin to form amino resin solution,
With described amino resin solution dipping back lining materials to form the back lining materials of dip finishing; With
Solidify the described back lining materials through impregnation process to form the described back lining materials through amino resins process,
The wherein said melamine resin through modification has following formula
Wherein R1, R2, R3 represent the independent substituting group of the alkyl being selected from hydrogen or have 1 to 4 carbon atoms separately.
22. methods according to claim 21, it is included in the described pickup regulating described back lining materials before the back lining materials of impregnation process of solidification further.
23. methods according to claim 21, is characterized in that, the described back lining materials through impregnation process solidifies at the temperature within the scope of 150 DEG C at 100 DEG C.
24. methods according to claim 23, it is characterized in that, described catalyst is selected from following one or its combination: phosphoric acid, alkyl acid phosphate, alkyl benzene sulphonate through amine end-blocking, hydrochloric acid, naphthalene sulfonic acids, alkyl phenyl phosphate, alkyl benzene sulphonate, p-methyl benzenesulfonic acid p-TSA through end-blocking.
25. methods according to claim 21, is characterized in that, the weight ratio of catalyst and amino resins is in 1: 800 and scope about between 1: 16.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485931.0A CN104562689A (en) | 2013-10-16 | 2013-10-16 | Backing material treated by amino resin, coated abrasive tool product containing and utilizing backing material as well as preparation method of backing material |
| PCT/US2014/060945 WO2015057987A1 (en) | 2013-10-16 | 2014-10-16 | Amino resin treated backing material, coated abrasive articles incorporating same and process of making the same |
| US14/516,345 US20150101256A1 (en) | 2013-10-16 | 2014-10-16 | Amino Resin Treated Backing Material, Coated Abrasive Articles Incorporating Same And Process Of Making The Same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485931.0A CN104562689A (en) | 2013-10-16 | 2013-10-16 | Backing material treated by amino resin, coated abrasive tool product containing and utilizing backing material as well as preparation method of backing material |
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| CN104562689A true CN104562689A (en) | 2015-04-29 |
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| CN201310485931.0A Pending CN104562689A (en) | 2013-10-16 | 2013-10-16 | Backing material treated by amino resin, coated abrasive tool product containing and utilizing backing material as well as preparation method of backing material |
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| Country | Link |
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| US (1) | US20150101256A1 (en) |
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Cited By (4)
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| CN107353379A (en) * | 2017-09-14 | 2017-11-17 | 重庆建峰浩康化工有限公司 | High butylated amino resin is synthesized using trimethylol melamine |
| CN108326762A (en) * | 2018-01-05 | 2018-07-27 | 广东纳路纳米科技有限公司 | The grinding tool and preparation method thereof of modified Nano Material cladding melamine resin |
| CN108647687A (en) * | 2018-04-23 | 2018-10-12 | 浙江大学 | A kind of fabric tissue recognition methods based on translation subtractive method |
| CN114434348A (en) * | 2021-12-27 | 2022-05-06 | 广东小太阳砂磨材料有限公司 | Tensile-resistant abrasive cloth and production process thereof |
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| JP2018506380A (en) * | 2015-02-27 | 2018-03-08 | スリーエム イノベイティブ プロパティズ カンパニー | Washing articles for consumption having ceramic fine particles and method for producing the same |
| WO2016137712A1 (en) * | 2015-02-27 | 2016-09-01 | 3M Innovative Properties Company | Uv treated scrubbing articles and methods of making same |
| MX2019004497A (en) * | 2016-10-29 | 2019-08-12 | Saint Gobain Abrasives Inc | Coated abrasives having a blend of abrasive particles and increased tear resistance. |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353379A (en) * | 2017-09-14 | 2017-11-17 | 重庆建峰浩康化工有限公司 | High butylated amino resin is synthesized using trimethylol melamine |
| CN107353379B (en) * | 2017-09-14 | 2019-07-12 | 重庆建峰浩康化工有限公司 | High butylated amino resin is synthesized using trimethylol melamine |
| CN108326762A (en) * | 2018-01-05 | 2018-07-27 | 广东纳路纳米科技有限公司 | The grinding tool and preparation method thereof of modified Nano Material cladding melamine resin |
| CN108647687A (en) * | 2018-04-23 | 2018-10-12 | 浙江大学 | A kind of fabric tissue recognition methods based on translation subtractive method |
| CN108647687B (en) * | 2018-04-23 | 2021-09-24 | 浙江大学 | Fabric tissue identification method based on translation subtraction method |
| CN114434348A (en) * | 2021-12-27 | 2022-05-06 | 广东小太阳砂磨材料有限公司 | Tensile-resistant abrasive cloth and production process thereof |
Also Published As
| Publication number | Publication date |
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| WO2015057987A1 (en) | 2015-04-23 |
| US20150101256A1 (en) | 2015-04-16 |
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