CN106366850A - Lapping carrier - Google Patents
Lapping carrier Download PDFInfo
- Publication number
- CN106366850A CN106366850A CN201610757177.5A CN201610757177A CN106366850A CN 106366850 A CN106366850 A CN 106366850A CN 201610757177 A CN201610757177 A CN 201610757177A CN 106366850 A CN106366850 A CN 106366850A
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- Prior art keywords
- parts
- star wheel
- erratic star
- epoxy resin
- fiber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a lapping carrier. The lapping carrier is prepared according to the following preparation method: (1) laminating prepregs: laminating a plurality of the prepregs to obtain a plate; (2) carrying out hot-pressing to press the plate to obtain the lapping carrier, wherein a special glass fiber board glue solution of the lapping carrier for preparing the prepregs comprises the following raw materials which are taken as components in parts by weight: 550 to 650 parts of flame retardant modified liquid halogen-free epoxy resin, 400 to 500 parts of flame retardant modified solid halogen-free epoxy resin, 30 to 50 parts of curing agents, 0.30 to 0.50 part of a curing accelerator, 700 to 800 parts of organic solvents and 80 to 130 parts of inorganic fillers. The lapping carrier disclosed by the invention not only has good heat resistance and chemical resistance, but also can reduce pollution to the environment. Compared with the conventional product, the lapping carrier has higher toughness.
Description
Technical field
The present invention relates to a kind of erratic star wheel.
Background technology
Erratic star wheel is to apply in glass, eyeglass, silicon chip, the fixture of the various plane polishing operation such as hard disk, and be otherwise known as throwing
Light tool, polishing pad etc.；Glossing develops for many years, highly developed, in recent years, mobile phone, the popular electronic such as panel computer
Product is popularized in a large number, and touch screen develops rapidly, and eyeglass polishing development is at a tremendous pace, and the raw material of erratic star wheel is by initial blue steel piece
Become fr-4 glass-fiber-plate.
The main material of erratic star wheel is fr-4 glass-fiber-plate at present, comprehensive various characteristics, and glass-fiber-plate is in the market the most
It is suitable for manufacturing the material of erratic star wheel, has an advantage in that, such as: wear-resisting, easy processing molding, manufacturing procedure is simple, does not hinder polishing workpiece
Etc..But it also has certain deficiency, such as: glass-fiber-plate mostly is electrical insulating material, for sheet material wear-resisting parameter request not
Height, therefore with respect to sheet metal, the wearability of glass is inadequate, and glass-fiber-plate toughness is little, fragility is big, hardness is low, with this material
In use, gear teeth loss is fast, and yielding, service life is short for the erratic star wheel made.
It is made up of fr-4 glass-fiber-plate based on erratic star wheel, but during specifically used, the erratic star wheel that glass-fiber-plate is made
Not, intensity is little, erratic star wheel can press, service life is short then during machine operation for wearability, quality unstable so that in itself
Cost is also high.Produce erratic star wheel with fr-4 glass-fiber-plate, be necessary for ensureing the thickness uniformity consistency of fr-4 glass-fiber-plate and
Have enough mechanical strengths, and the erratic star wheel produced itself self lubricity to be possessed.
Content of the invention
The technical problem to be solved in the present invention is to overcome the toughness of the special glass-fiber-plate of erratic star wheel in prior art low, strong
Spend low deficiency and provide a kind of erratic star wheel special glass-fiber-plate glue, prepreg and glass-fiber-plate and preparation method thereof.The present invention
The special glass-fiber-plate of erratic star wheel providing, can reduce erratic star wheel coefficient of friction, reduce product fraction defective, improve product service life
Under conditions of reducing production cost, and the guarantee compressive resistance of this erratic star wheel personality board, thickness can be thinner and ensure that
Thickness is uniform.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The invention provides a kind of special glass-fiber-plate glue of erratic star wheel, it is obtained by following raw materials, described raw material include as
The each component of lower parts by weight: 550～650 parts of flame-retardant modified liquid halogen-free epoxy resin, 400～500 parts of flame-retardant modified solid-states
Halogen-free epoxy resin, 30～50 parts of firming agent, 0.30～0.50 part of curing accelerator, 700～800 parts of organic solvents and 80～
130 parts of inorganic fillers.
Wherein, described flame-retardant modified liquid halogen-free epoxy resin and described flame-retardant modified solid-state halogen-free epoxy resin can adopt
Various conventional use of flame-retardant modified halogen-free epoxy resins in the glass-fiber-plate glue of this area.Described flame-retardant modified liquid halogen-free ring
Oxygen tree fat is preferably dopo type liquid halogen-free fire retarding epoxide resin.Described flame-retardant modified solid-state halogen-free epoxy resin is preferably
Dopo type solid-state Halogenless fire retarded epoxy resin.The performance indications of described dopo type liquid halogen-free fire retarding epoxide resin are preferably:
Epoxide number 320-360g/eg, the viscosity at 25 DEG C is 1800-3000mpa s, and phosphorus content is 3.1%.Described dopo type solid-state
The performance indications of Halogenless fire retarded epoxy resin are preferably: epoxide number 970-1070g/eg, and the viscosity at 150 DEG C is 8000-
11000mpa·s..
Preferably 600～650 parts of the parts by weight of described flame-retardant modified liquid halogen-free epoxy resin.
Wherein, described firming agent can be firming agent commonly used in the art, preferably dicyandiamide (dicy).Described solid
Preferably 40～50 parts of the parts by weight of agent.
Wherein, described curing accelerator can be curing accelerator commonly used in the art, preferably diphenyl-imidazole
(2pi).Preferably 0.35～0.45 part of the parts by weight of described curing accelerator.
Wherein, described inorganic filler is preferably silicon dioxide and/or Pulvis Talci.The parts by weight of described silicon dioxide are relatively
It is 45～60 parts goodly.Preferably 70～80 parts of described talcous parts by weight.
Wherein, described solvent can be solvent commonly used in the art, preferably acetone, butanone and dimethylformamide
One or more of (dmf).When described organic solvent be acetone, butanone and during dimethylformamide, described acetone, butanone and
The weight of dimethylformamide is than preferably 3:1:6.
Present invention also offers a kind of preparation method of the special glass-fiber-plate glue of erratic star wheel, it comprises the steps:
(1) described firming agent, described curing accelerator and described solvent are mixed, stir to dissolving to obtain mixture a；
(2) by described mixture a and described mixed with resin, stir to obtain mixture b；
(3) under agitation, described mixture b and described inorganic filler are mixed, with the speed of 2200～2800rpm
Sheared, after ripening, obtained final product erratic star wheel special glass-fiber-plate glue.
In the present invention, in the preparation method of the special glass-fiber-plate glue of described erratic star wheel, each raw material components are all as glue in the present invention
Described in liquid preparation component.
In step (1), the method for described stirring and condition can be the conventional method in this area and condition.Described stirring when
Between so that described firming agent and described curing accelerator are completely dissolved and are defined, preferably 3～6 hours.The rotating speed of described stirring
Preferably 800～1500rpm.
In step (2), the method for described stirring and condition can be the conventional method in this area and condition.Described stirring when
Between so that described firming agent and described curing accelerator are completely dissolved is defined preferably 3～6 hours.The rotating speed of described stirring is relatively
It is 1000～1500rpm goodly.
In step (3), the method for described shearing and condition can be the conventional method in this area and condition.Described shearing when
Between preferably 1.0～2.0 hours.The rotating speed of described shearing is preferably 2500～2800rpm.In step (3), described ripening
Method and condition can be the conventional method in this area and condition.Described ripening preferably turning with 1200～1600rpm
Speed stirring 8～12 hours, the gel time of gained glue is generally 230～260s.
Present invention also offers a kind of preparation method of the special glass-fiber-plate prepreg of erratic star wheel, it comprises the steps:
Described glue is coated on electronic-grade glass fiber cloth, then dries, obtain final product.
Described electronic-grade glass fiber cloth is conventional use of electronic-grade glass fiber cloth in this area, preferably electricity
Sub- grade fiberglass cloth 7628.
It is preferred that in the preparation method of the special glass-fiber-plate prepreg of described erratic star wheel, described coating device therefor is vertical
Formula gluing machine.
It is preferred that in the preparation method of the special glass-fiber-plate prepreg of described erratic star wheel, the speed of described coating is 16～
23m/min；It is more preferably 18～20m/min.
It is preferred that the temperature of described drying is 180～205 DEG C；More preferably it is 190～200 DEG C.
Present invention also offers the trip obtained by a kind of preparation method by described erratic star wheel special glass-fiber-plate prepreg
Star-wheel special glass-fiber-plate prepreg.
In the present invention, the resin content of the special glass-fiber-plate prepreg of described erratic star wheel is generally 30～35wt%.Described
The gel time of erratic star wheel special glass-fiber-plate prepreg is generally 120～140s.The special glass-fiber-plate semi-solid preparation of described erratic star wheel
The fluidity of piece generally 17～23%.The fugitive constituent of the special glass-fiber-plate prepreg of described erratic star wheel will be below 0.5%, such as
0.4%.
Present invention also offers a kind of preparation method of the special glass-fiber-plate of erratic star wheel, it comprises the steps:
(1) lamination: several described prepregs are carried out folding and joins, obtain sheet material；
(2) described sheet material is carried out hot pressing compacting, obtain final product the special glass-fiber-plate of erratic star wheel.
In the present invention, during by common sense in the field lamination, do not need pressure, lamination requires to follow four big principles: gel content height
Collocating principle, the cloth type principle of correspondence, symmetrical configuration principle, left and right collocating principle.
In step (2), the method for described hot pressing compacting and condition can be the conventional method in this area and condition.By this area
Sprayed film, before carrying out hot pressing compacting to described sheet material, is typically placed in described sheet material both sides by general knowledge, during avoiding hot pressing compacting
Mutual pollution between sheet material and hot-press equipment；Meanwhile, after configuring steel plate and kraft paper successively on sprayed film before hot pressing compacting,
Carry out hot pressing compacting again.After hot pressing is suppressed, take off sprayed film, kraft paper and steel plate successively.The number one of described kraft paper
As be 16～18.
The pressure of described hot pressing compacting is preferably 20～32kg/cm2；It is more preferably 26～30kg/cm2.
Preferably 140～200 DEG C of the temperature of described hot pressing compacting；More preferably it is 150～190 DEG C.
The time of described hot pressing compacting is preferably 135～145min.
In the present invention, the preparation method of the special glass-fiber-plate of described erratic star wheel, typically also carry out follow-up sharp processing and inspection
Test operation, to guarantee the quality of product.
Present invention also offers the erratic star wheel obtained by a kind of preparation method by the special glass-fiber-plate of described erratic star wheel is special
Glass-fiber-plate.
On the basis of meeting common sense in the field, above-mentioned each optimum condition, can combination in any, obtain final product each preferable reality of the present invention
Example.
Agents useful for same of the present invention and raw material are all commercially available.The positive effect of the present invention is:
1st, all employ the glue of the present invention in the preparation method of the glue of the present invention, prepreg and glass-fiber-plate, and it
Preparation method process is simple, low cost, consistent, fraction defective is low, the controllability of technique is strong, be suitable to produce in enormous quantities.
2nd, the special glass-fiber-plate of the erratic star wheel of the present invention meets erratic star wheel production technology, good combination property, especially wearability,
Toughness, mechanical strength, thickness evenness are all preferable, for example bending strength, radially reach 413mp, improve than general glass-fiber-plate
378mp, broadwise reaches 346mp, improves 9mp than general glass-fiber-plate；T-288 ＞ 60min, than 60 times of general fr-4 glass plate hight.
The glass-fiber-plate of the present invention is in thermal stress test, not stratified, non-foaming.
Brief description
Fig. 1 is the sample photo of the falling weight impact test of effect example 1.
Specific embodiment
Further illustrate the present invention below by the mode of embodiment, but therefore do not limit the present invention to described reality
Apply among a scope.The experimental technique of unreceipted actual conditions in the following example, conventionally and condition, or according to business
Product description selects.
Embodiment 1
First, the preparation of the special glass-fiber-plate glue of a kind of erratic star wheel:
Resin: 600 parts of flame-retardant modified liquid halogen-free epoxy resin, 450 parts of flame-retardant modified solid-state halogen-free epoxy resin；Here
Fire-retardant modified epoxy resin be dopo type Halogenless fire retarded epoxy resin, name of product: dopo type, epoxide number: 8.3-9.4 (eq/
Kg), 27 DEG C of viscosity (mpa s): 2000-5000；Here flame-retardant modified solid epoxy resin is dopo type halogen-free flameproof epoxy
Resin, name of product: dopo type, epoxide number: 970-1070 (g/eg), 150 DEG C of viscosity (mpa s): 8000-11000.
Firming agent: 40 parts of dicyandiamide (dicy)；
Curing accelerator: 0.35 part of 2- phenylimidazole (c-2 replacement)；
Solvent: 400 parts of dimethylformamide (dmf), 300 parts of acetone, 100 parts of butanone；
Inorganic filler: 50 parts of silicon dioxide, 80 parts of Pulvis Talci.
Preparation method:
(1) firming agent, accelerator and solvent are mixed, stir 4 hours to dissolving to obtain mixture a with the rotating speed of 1000rpm；
(2) mixture a is mixed with flame-retardant modified liquid halogen-free epoxy resin, flame-retardant modified solid-state halogen-free epoxy resin,
Stir 6 hours with the rotating speed of 1200rpm to the mixture b that stirs to obtain；
(3) under continual stirring conditions, mixture b is mixed with silicon dioxide, Pulvis Talci, high with the rotating speed of 2600rpm
Speed shearing 2 hours, carries out obtaining final product after ripening with the rotating speed stirring of 1200rpm for 8 hours, and the gel time of gained glue is 230s.
2nd, the preparation of the special glass-fiber-plate of a kind of erratic star wheel:
Preparation method: 1. gluing: coated above-mentioned made using vertical gluing machine on 6 electronic-grade glass fiber cloths 7628
The erratic star wheel special glass-fiber-plate glue obtaining；The oven temperature of gluing machine is 200 DEG C, and the speed of gluing is 19m/min, obtains 6
Prepreg；The resin content of this prepreg is 30wt%, and the gel time of this prepreg is 130s, this prepreg
Fluidity is 21%, and the fugitive constituent of this prepreg is 0.3%；
2. lamination: by 6 prepregs fold join, two-sided be all covered with sprayed film, obtain semi-finished product；
3. described semi-finished product are carried out hot pressing compacting, the temperature of hot pressing compacting is 190 DEG C, the pressure of hot pressing compacting is
30kg/cm2, the time of hot pressing compacting is 140min, obtains final product.
Gained glass-fiber-plate is carried out performance measurement, the results are shown in Table 1.
The performance parameter of glass-fiber-plate in table 1 embodiment 1
From table 1, the glass-fiber-plate combination property obtained by embodiment 1 is good.
Embodiment 2
First, the preparation of the special glass-fiber-plate glue of a kind of erratic star wheel:
Resin: 650 parts of flame-retardant modified liquid halogen-free epoxy resin, 400 parts of flame-retardant modified solid-state halogen-free epoxy resin；Here
Fire-retardant modified epoxy resin be dopo type Halogenless fire retarded epoxy resin, name of product: dopo type, epoxide number: 8.3-9.4 (eq/
Kg), 27 DEG C of viscosity (mpa s): 2000-5000；Here flame-retardant modified solid epoxy resin is dopo type halogen-free flameproof epoxy
Resin, name of product: dopo type, epoxide number: 970-1070 (g/eg), 150 DEG C of viscosity (mpa s): 8000-11000.
Firming agent: 45 parts of dicyandiamide (dicy)；
Curing accelerator: 0.40 part of 2- phenylimidazole (c-2 replacement)；
Solvent: 450 parts of dimethylformamide (dmf), 350 parts of acetone, 50 parts of butanone；
Inorganic filler: 60 parts of silicon dioxide, 70 parts of Pulvis Talci.
Preparation method:
(1) firming agent, accelerator and solvent are mixed, stir 4 hours to dissolving to obtain mixture a with the rotating speed of 1000rpm；
(2) mixture a is mixed with flame-retardant modified liquid halogen-free epoxy resin, flame-retardant modified solid-state halogen-free epoxy resin,
Stir 6 hours with the rotating speed of 1200rpm to the mixture b that stirs to obtain；
(3) under continual stirring conditions, mixture b is mixed with silicon dioxide, Pulvis Talci, high with the rotating speed of 2600rpm
Speed shearing 2 hours, carries out obtaining final product after ripening with the rotating speed stirring of 1200rpm for 8 hours, and the gel time of gained glue is 245s.
2nd, the preparation of the special glass-fiber-plate of a kind of erratic star wheel:
Preparation method: 1. gluing: coated above-mentioned made using vertical gluing machine on 6 electronic-grade glass fiber cloths 7628
The erratic star wheel special glass-fiber-plate glue obtaining；The oven temperature of gluing machine is 200 DEG C, and the speed of gluing is 19m/min, obtains 6
Prepreg；The resin content of this prepreg is 31wt%, and the gel time of this prepreg is 120s, this prepreg
Fluidity is 22%, and the fugitive constituent of this prepreg is 0.3%；
2. lamination: by 6 prepregs fold join, two-sided be all covered with sprayed film, obtain semi-finished product；
3. described semi-finished product are carried out hot pressing compacting, the temperature of hot pressing compacting is 190 DEG C, the pressure of hot pressing compacting is
30kg/cm2, the time of hot pressing compacting is 145min, obtains final product.
Gained glass-fiber-plate is carried out performance measurement, the results are shown in Table 2.
The performance parameter of the glass-fiber-plate of table 2 embodiment 2
From table 2, the glass-fiber-plate combination property obtained by embodiment 2 is good.
Embodiment 3
First, the preparation of the special glass-fiber-plate glue of a kind of erratic star wheel:
Resin: 600 parts of flame-retardant modified liquid halogen-free epoxy resin, 500 parts of flame-retardant modified solid-state halogen-free epoxy resin；Here
Fire-retardant modified epoxy resin be dopo type Halogenless fire retarded epoxy resin, name of product: dopo type, epoxide number: 8.3-9.4 (eq/
Kg), 27 DEG C of viscosity (mpa s): 2000-5000；Here flame-retardant modified solid epoxy resin is dopo type halogen-free flameproof epoxy
Resin, name of product: dopo type, epoxide number: 970-1070 (g/eg), 150 DEG C of viscosity (mpa s): 8000-11000.
Firming agent: 50 parts of dicyandiamide (dicy)；
Curing accelerator: 0.45 part of 2- phenylimidazole (c-2 replacement)；
Solvent: 300 parts of dimethylformamide (dmf), 400 parts of acetone, 100 parts of butanone；
Inorganic filler: 45 parts of silicon dioxide, 75 parts of Pulvis Talci.
Preparation method:
(1) firming agent, accelerator and solvent are mixed, stir 4 hours to dissolving to obtain mixture a with the rotating speed of 1000rpm；
(2) mixture a is mixed with flame-retardant modified liquid halogen-free epoxy resin, flame-retardant modified solid-state halogen-free epoxy resin,
Stir 6 hours with the rotating speed of 1200rpm to the mixture b that stirs to obtain；
(3) under continual stirring conditions, mixture b is mixed with silicon dioxide, Pulvis Talci, high with the rotating speed of 2600rpm
Speed shearing 2 hours, carries out obtaining final product after ripening with the rotating speed stirring of 1200rpm for 8 hours, and the gel time of gained glue is 260s.
2nd, the preparation of the special glass-fiber-plate of a kind of erratic star wheel:
Preparation method: 1. gluing: coated above-mentioned made using vertical gluing machine on 6 electronic-grade glass fiber cloths 7628
The erratic star wheel special glass-fiber-plate glue obtaining；The oven temperature of gluing machine is 200 DEG C, and the speed of gluing is 19m/min, obtains 6
Prepreg；The resin content of this prepreg is 32wt%, and the gel time of this prepreg is 140s, this prepreg
Fluidity is 22%, and the fugitive constituent of this prepreg is 0.3%；
2. lamination: by 6 prepregs fold join, two-sided be all covered with sprayed film, obtain semi-finished product；
3. described semi-finished product are carried out hot pressing compacting, the temperature of hot pressing compacting is 190 DEG C, the pressure of hot pressing compacting is
30kg/cm2, the time of hot pressing compacting is 140min, obtains final product.
Gained glass-fiber-plate is carried out performance measurement, the results are shown in Table 3.
The performance parameter of the glass-fiber-plate of table 3 embodiment 3
Effect example 1
Falling weight impact test (toughness test test)
Experimental apparatus: iso impact tester, brand byk gardner, model 5512；
Laboratory sample: base material thickness 1.5mm～1.6mm, matrix structure 7628 × 8ply；
Experimentation: by etching after sample press instrument requirements installation, be fixed on the position of 20mm height by dropping hammer so as to
Freely falling body clashes into material, drops hammer cross crack more clear then illustrative material toughness, punch effect produced by shock material more
Good.It will be seen from figure 1 that the toughness of the glass-fiber-plate (Fig. 1 left side) obtained by the embodiment of the present invention 1 to be substantially better than market similar general
Logical fr-4 glass-fiber-plate material (on the right of Fig. 1).
Claims (9)
1. a kind of erratic star wheel is it is characterised in that it is obtained by following preparation methoies:
(1) lamination: several prepregs are carried out folding and joins, obtain sheet material；
(2) described sheet material is carried out hot pressing compacting, obtain final product；
Wherein, described prepreg is obtained by following preparation methoies: coats the special glass of erratic star wheel on electronic-grade glass fiber cloth
Fine plate glue, then dries, obtains final product；The special glass-fiber-plate glue of described erratic star wheel is obtained by following raw materials, under described raw material includes
State the component of weight portion: 550～650 parts of flame-retardant modified liquid halogen-free epoxy resin, 400～500 parts of flame-retardant modified solid-state Halogens
Epoxy resin, 30～50 parts of firming agent, 0.30～0.50 part of curing accelerator, 700～800 parts of organic solvents and 80～130
Part inorganic filler.
2. erratic star wheel as claimed in claim 1 is it is characterised in that described flame-retardant modified liquid halogen-free epoxy resin is dopo type
Liquid halogen-free fire retarding epoxide resin；
And/or, described flame-retardant modified solid-state halogen-free epoxy resin is dopo type solid-state Halogenless fire retarded epoxy resin；
And/or, the parts by weight of described flame-retardant modified liquid halogen-free epoxy resin are 600～650 parts；
And/or, described firming agent is dicyandiamide；
And/or, the parts by weight of described firming agent are 40～50 parts；
And/or, described curing accelerator is diphenyl-imidazole；
And/or, the parts by weight of described curing accelerator are 0.35～0.45 part；
And/or, described organic solvent is one or more of acetone, butanone and dimethylformamide；
And/or, described inorganic filler is silicon dioxide and/or Pulvis Talci.
3. erratic star wheel as claimed in claim 2 is it is characterised in that described flame-retardant modified liquid halogen-free epoxy resin is dopo type
Liquid halogen-free fire retarding epoxide resin；
And/or, described flame-retardant modified solid-state halogen-free epoxy resin is dopo type solid-state Halogenless fire retarded epoxy resin；
And/or, the weight of described acetone, butanone and dimethylformamide is than for 3:1:6；
And/or, the parts by weight of described silicon dioxide are 45～60 parts；
And/or, described talcous parts by weight are 70～80 parts.
4. the erratic star wheel as described in any one of claims 1 to 3 is it is characterised in that described dopo type liquid halogen-free flame retardant epoxy
The performance indications of resin are: epoxide number 320-360g/eg, and the viscosity at 25 DEG C is 1800-3000mpa s, and phosphorus content is
3.1%；
And/or, the performance indications of described dopo type solid-state Halogenless fire retarded epoxy resin are: epoxide number 970-1070g/eg, 150 DEG C
Under viscosity be 8000-11000mpa s.
5. the erratic star wheel as described in any one of claims 1 to 3 it is characterised in that described erratic star wheel special glass-fiber-plate glue by
Following preparation methoies are obtained:
(1) firming agent as claimed in claim 1, curing accelerator and solvent are mixed, stir to dissolving to obtain mixture a；
(2) by described mixture a and described mixed with resin, stir to obtain mixture b；
(3) under agitation, described mixture b and described inorganic filler are mixed, carried out with the speed of 2200～2800rpm
Shearing, obtains final product after ripening.
6. erratic star wheel as claimed in claim 5 is it is characterised in that in step (1), and the rotating speed of described stirring is 800～
1500rpm；
And/or, in step (1), the time of described stirring is 3～6 hours；
And/or, in step (2), the rotating speed of described stirring is 1000～1500rpm；
And/or, in step (2), the time of described stirring is 3～6 hours；
And/or, in step (3), the time of described shearing is 1.0～2.0 hours；
And/or, in step (3), the rotating speed of described shearing is 2500～2800rpm；
And/or, in step (3), described ripening is to be stirred 8～12 hours with the rotating speed of 1200～1600rpm.
7. erratic star wheel as claimed in claim 1 is it is characterised in that described E-glass cloth is electronic-grade glass fiber cloth
7628；
And/or, described coating equipment used is vertical gluing machine；
And/or, the speed of described coating is 16～23m/min, preferably 18～20m/min；
And/or, the temperature of described drying is 180～205 DEG C, preferably 190～200 DEG C.
8. erratic star wheel as claimed in claim 1 is it is characterised in that the resin of described erratic star wheel special glass-fiber-plate prepreg contains
Measure as 30～35wt%；The gel time of the special glass-fiber-plate prepreg of described erratic star wheel is 120～140s；Described erratic star wheel is special
It is 17～23% with the fluidity of glass-fiber-plate prepreg；The fugitive constituent of the special glass-fiber-plate prepreg of described erratic star wheel exists
Less than 0.5%.
9. erratic star wheel as claimed in claim 1 is it is characterised in that in step (2), and the pressure of described hot pressing compacting is 20～
32kg/cm2, preferably 26～30kg/cm2；
And/or, the temperature of described hot pressing compacting is 140～200 DEG C, preferably 150～190 DEG C；
And/or, the time of described hot pressing compacting is 135～145min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757177.5A CN106366850B (en) | 2016-08-29 | 2016-08-29 | Wandering star wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757177.5A CN106366850B (en) | 2016-08-29 | 2016-08-29 | Wandering star wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106366850A true CN106366850A (en) | 2017-02-01 |
| CN106366850B CN106366850B (en) | 2021-07-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010142889A (en) * | 2008-12-17 | 2010-07-01 | Mitsubishi Electric Corp | Tool holder, cutting fluid supply plate for holding tool and cutting method |
| CN102417804A (en) * | 2010-09-28 | 2012-04-18 | 比亚迪股份有限公司 | Adhesive, its preparation method and application method |
| CN104245231A (en) * | 2012-03-30 | 2014-12-24 | 住友电木株式会社 | Material for holding item to be polished, and laminate plate using same |
| CN104987664A (en) * | 2015-06-26 | 2015-10-21 | 四川东材科技集团股份有限公司 | Insulation-layer mold-pressed structural member for extra-high-voltage direct-current power transmission and transformation and preparation method thereof |
-
2016
- 2016-08-29 CN CN201610757177.5A patent/CN106366850B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010142889A (en) * | 2008-12-17 | 2010-07-01 | Mitsubishi Electric Corp | Tool holder, cutting fluid supply plate for holding tool and cutting method |
| CN102417804A (en) * | 2010-09-28 | 2012-04-18 | 比亚迪股份有限公司 | Adhesive, its preparation method and application method |
| CN104245231A (en) * | 2012-03-30 | 2014-12-24 | 住友电木株式会社 | Material for holding item to be polished, and laminate plate using same |
| CN104987664A (en) * | 2015-06-26 | 2015-10-21 | 四川东材科技集团股份有限公司 | Insulation-layer mold-pressed structural member for extra-high-voltage direct-current power transmission and transformation and preparation method thereof |
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| CN106366850B (en) | 2021-07-16 |
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