CN106380784B - A kind of preparation method of the dedicated glass-fiber-plate glue of erratic star wheel - Google Patents
A kind of preparation method of the dedicated glass-fiber-plate glue of erratic star wheel Download PDFInfo
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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Abstract
The invention discloses a kind of preparation method of the dedicated glass-fiber-plate glue of erratic star wheel, include the following steps: that (1) mixes curing agent as described in claim 1, curing accelerator and solvent, stirring is to dissolving to obtain mixture A；(2) the mixture A is mixed with the resin, stirs evenly to obtain mixture B；(3) under agitation, the mixture B and the inorganic filler are mixed, is sheared with the speed of 2200~2800rpm, up to the dedicated glass-fiber-plate glue of erratic star wheel after curing.The dedicated glass-fiber-plate glue of erratic star wheel made from the preparation method not only has good heat resistance, chemical resistance, moreover it is possible to reduce pollution on the environment.By glue of the invention, further prepreg and the more existing product of glass-fiber-plate obtained have higher toughness.
Description
Technical field
Present invention relates particularly to a kind of preparation methods of the dedicated glass-fiber-plate glue of erratic star wheel.
Background technique
Erratic star wheel is applied in glass, eyeglass, silicon wafer, and the fixture of the various plane polishing processes such as hard disk, be otherwise known as throwing
Light jig, polishing pad etc.；Polishing process development is for many years, highly developed, in recent years, mobile phone, the popular electronics such as tablet computer
Product is largely popularized, touch screen rapid development, and eyeglass polishing development is at a tremendous pace, and the raw material of erratic star wheel are 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 currently on the market the most
It is suitble to the material of manufacture erratic star wheel, the advantage is that, such as: wear-resisting, easy processing molding, manufacturing procedure is simple, does not hurt polishing workpiece
Etc..However it also has certain deficiency, such as: glass-fiber-plate is mostly electrical insulating material, for plate wear-resisting parameter request not
Height, therefore relative to sheet metal, the wearability of glass be it is inadequate, glass-fiber-plate toughness is small, brittleness is big, hardness is low, with this material
The erratic star wheel being made into is in use, and gear teeth loss is fast, and easily-deformable, service life is short.
It is made based on erratic star wheel of FR-4 glass-fiber-plate, but in the specific use process, erratic star wheel made of glass-fiber-plate
Wearability is inadequate, and intensity is small, and when machine operation can press to erratic star wheel, and then service life is short, unstable quality, so that itself
Cost is also high.With FR-4 glass-fiber-plate produce erratic star wheel, just it has to be ensured that the thickness uniformity consistency of FR-4 glass-fiber-plate and
The erratic star wheel for possessing enough mechanical strengths, and producing itself will have self-lubrication.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome the toughness of the dedicated glass-fiber-plate of erratic star wheel in the prior art low, strong
It spends low deficiency and provides a kind of dedicated glass-fiber-plate glue of erratic star wheel, prepreg and glass-fiber-plate and preparation method thereof.The present invention
The dedicated glass-fiber-plate of the erratic star wheel of offer can reduce erratic star wheel coefficient of friction, reduce product defect rate, improve product service life
With reduce production cost, and under conditions of the guarantee compressive resistance of the erratic star wheel personality board, thickness can be thinner and can guarantee
Thickness is uniform.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of dedicated glass-fiber-plate glues of erratic star wheel, are made by following raw materials, and the raw material includes such 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 curing agent, 0.30~0.50 part of curing accelerator, 700~800 parts of organic solvents and 80~
130 parts of inorganic fillers.
Wherein, the flame-retardant modified liquid halogen-free epoxy resin and the flame-retardant modified solid-state halogen-free epoxy resin can be used
Various conventional use of flame-retardant modified halogen-free epoxy resins in the glass-fiber-plate glue of this field.The flame-retardant modified liquid halogen-free ring
Oxygen resin is preferably DOPO type liquid halogen-free fire retarding epoxide resin.The flame-retardant modified solid-state halogen-free epoxy resin is preferably
DOPO type solid-state Halogenless fire retarded epoxy resin.The performance indicator of the DOPO type liquid halogen-free fire retarding epoxide resin is preferably:
Epoxide number 320-360g/eg, the viscosity at 25 DEG C is 1800-3000mPas, phosphorus content 3.1%.The DOPO type solid-state
The performance indicator of Halogenless fire retarded epoxy resin is preferably: epoxide number 970-1070g/eg, and the viscosity at 150 DEG C is 8000-
11000mPa·s。.
The parts by weight of the flame-retardant modified liquid halogen-free epoxy resin are preferably 600~650 parts.
Wherein, the curing agent can be curing agent commonly used in the art, preferably dicyandiamide (DICY).It is described solid
The parts by weight of agent are preferably 40~50 parts.
Wherein, the curing accelerator can be curing accelerator commonly used in the art, preferably diphenyl-imidazole
(2PI).The parts by weight of the curing accelerator are preferably 0.35~0.45 part.
Wherein, the inorganic filler is preferably silica and/or talcum powder.The parts by weight of the silica compared with
It goodly is 45~60 parts.The parts by weight of the talcum powder are preferably 70~80 parts.
Wherein, the solvent can be solvent commonly used in the art, preferably acetone, butanone and dimethylformamide
One of (DMF) or it is a variety of.When the organic solvent is acetone, butanone and when dimethylformamide, the acetone, butanone and
The weight ratio of dimethylformamide is preferably 3:1:6.
The present invention also provides a kind of preparation methods of the dedicated glass-fiber-plate glue of erratic star wheel comprising following steps:
(1) curing agent, the curing accelerator and the solvent are mixed, stirring is to dissolving to obtain mixture A；
(2) the mixture A is mixed with the resin, stirs evenly to obtain mixture B；
(3) under agitation, the mixture B and the inorganic filler are mixed, with the speed of 2200~2800rpm
It is sheared, up to the dedicated glass-fiber-plate glue of erratic star wheel after curing.
In the present invention, each raw material component is such as glue in the present invention in the preparation method of the dedicated glass-fiber-plate glue of erratic star wheel
Liquid is prepared described in component.
In step (1), the method and condition of the stirring can be the method and condition of this field routine.The stirring when
Between so that the curing agent and the curing accelerator be completely dissolved subject to, preferably 3~6 hours.The revolving speed of the stirring
Preferably 800~1500rpm.
In step (2), the method and condition of the stirring can be the method and condition of this field routine.The stirring when
Between so that the curing agent and the curing accelerator be completely dissolved subject to preferably 3~6 hours.The revolving speed of the stirring compared with
It goodly is 1000~1500rpm.
In step (3), the method and condition of the shearing can be the method and condition of this field routine.The shearing when
Between preferably 1.0~2.0 hours.The revolving speed of the shearing is preferably 2500~2800rpm.In step (3), the curing
Method and condition can be this field routine method and condition.The curing is preferably turned with 1200~1600rpm
Speed stirring 8~12 hours, the gel time of gained glue is generally 230~260s.
The present invention also provides a kind of preparation methods of the dedicated glass-fiber-plate prepreg of erratic star wheel comprising following steps:
The glue is coated on electronic-grade glass fiber cloth, then dry to get.
The electronic-grade glass fiber cloth is conventional use of electronic-grade glass fiber cloth in this field, preferably electric
Sub- grade fiberglass cloth 7628.
Preferably, the coating device therefor is vertical in the preparation method of the dedicated glass-fiber-plate prepreg of erratic star wheel
Formula gluing machine.
Preferably, in the preparation method of the dedicated glass-fiber-plate prepreg of erratic star wheel, the speed of the coating is 16~
23m/min；It is more preferably 18~20m/min.
Preferably, the temperature of the drying is 180~205 DEG C；It is more preferably 190~200 DEG C.
The present invention also provides trips obtained by a kind of preparation method as the dedicated glass-fiber-plate prepreg of the erratic star wheel
The dedicated glass-fiber-plate prepreg of star-wheel.
In the present invention, the resin content of the dedicated glass-fiber-plate prepreg of erratic star wheel is generally 30~35wt%.It is described
The gel time of the dedicated glass-fiber-plate prepreg of erratic star wheel is generally 120~140s.The dedicated glass-fiber-plate semi-solid preparation of erratic star wheel
The fluidity of piece is generally 17~23%.The fugitive constituent of the dedicated glass-fiber-plate prepreg of erratic star wheel will be 0.5% hereinafter, such as
0.4%.
The present invention also provides a kind of preparation methods of the dedicated glass-fiber-plate of erratic star wheel comprising following steps:
(1) lamination: several described prepregs fold and are matched, plate is obtained；
(2) plate is subjected to hot pressing compacting to get the dedicated glass-fiber-plate of erratic star wheel.
In the present invention, pressure is not needed when by common sense in the field lamination, 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 and condition of the hot pressing compacting can be the method and condition of this field routine.By this field
Sprayed film is generally placed in the plate two sides before carrying out hot pressing compacting to the plate by common sense, when to avoid hot pressing compacting
Mutual pollution between plate and hot-press equipment；Meanwhile hot pressing compacting before steel plate and brown paper are configured in order on sprayed film after,
Hot pressing compacting is carried out again.After hot pressing compacting, sprayed film, brown paper and steel plate are successively removed.The number one of the brown paper
As be 16~18.
The pressure of the hot pressing compacting is preferably 20~32kg/cm2；It is more preferably 26~30kg/cm2。
The temperature of the hot pressing compacting is preferably 140~200 DEG C；It is more preferably 150~190 DEG C.
The time of the hot pressing compacting is preferably 135~145min.
In the present invention, the preparation method of the dedicated glass-fiber-plate of erratic star wheel generally also carries out subsequent sharp processing and inspection
Process is tested, to ensure the quality of product.
The present invention also provides erratic star wheel obtained by a kind of preparation method as the dedicated glass-fiber-plate of the erratic star wheel is dedicated
Glass-fiber-plate.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The reagents and materials used in the present invention are commercially available.The positive effect of the present invention is that:
1, glue of the invention, and it have been used in the preparation method of glue of the invention, prepreg and glass-fiber-plate
Preparation method simple process, at low cost, consistent, fraction defective is low, the controllability of technique is strong, is suitable for producing in enormous quantities.
2, the dedicated glass-fiber-plate of erratic star wheel of the invention meets erratic star wheel production technology, good combination property, especially wearability,
Toughness, mechanical strength, the thickness uniformity are preferable, such as bending strength, radial to reach 413MP, improve than general glass-fiber-plate
378MP, broadwise reach 346MP, improve 9MP than general glass-fiber-plate；T-288 > 60min is 60 times higher than general FR-4 glass-fiber-plate.
Glass-fiber-plate of the invention is not stratified, not blistering in thermal stress test.
Detailed description of the invention
Fig. 1 is the sample photo of the falling weight impact test of effect example 1.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient
The selection of product specification.
Embodiment 1
One, the preparation of the dedicated 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 (mPas): 2000-5000 of viscosity；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 (mPas): 8000-11000 of viscosity.
Curing agent: 40 parts of dicyandiamide (DICY)；
Curing accelerator: 0.35 part of 2- phenylimidazole (C-2 substitution)；
Solvent: 400 parts of dimethylformamide (DMF), 300 parts of acetone, 100 parts of butanone；
Inorganic filler: 50 parts of silica, 80 parts of talcum powder.
Preparation method:
(1) curing agent, promotor and solvent are mixed, stirs 4 hours to dissolving to obtain mixture A with the revolving 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,
6 hours are stirred to stirring evenly to obtain mixture B with the revolving speed of 1200rpm；
(3) under continual stirring conditions, mixture B is mixed with silica, talcum powder, it is high with the revolving speed of 2600rpm
Speed shearing 2 hours is stirred 8 hours after being cured to obtain the final product with the revolving speed of 1200rpm, and the gel time of gained glue is 230s.
Two, the preparation of the dedicated glass-fiber-plate of a kind of erratic star wheel:
Preparation method: it 1. glues: being coated on 6 electronic-grade glass fiber cloths 7628 using vertical gluing machine above-mentioned made
The dedicated glass-fiber-plate glue of erratic star wheel obtained；The oven temperature of gluing machine is 200 DEG C,
The speed of gluing is 19m/min, obtains 6 prepregs；The resin content of the prepreg is 30wt%,
The gel time of the prepreg is 130s, and the fluidity of the prepreg is 21%, the volatilization of the prepreg
Part is 0.3%；
2. lamination: 6 prepregs are folded and are matched, it is two-sided to be all covered with sprayed film, obtain semi-finished product；
3. the semi-finished product are carried out hot pressing compacting, the temperature of hot pressing compacting is 190 DEG C, and the pressure of hot pressing compacting is
30kg/cm2, hot pressing compacting time be 140min to get.
Gained glass-fiber-plate is subjected to performance measurement, the results are shown in Table 1.
The performance parameter of glass-fiber-plate in 1 embodiment 1 of table
Seen from table 1, glass-fiber-plate comprehensive performance obtained by embodiment 1 is good.
Embodiment 2
One, the preparation of the dedicated 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 (mPas): 2000-5000 of viscosity；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 (mPas): 8000-11000 of viscosity.
Curing agent: 45 parts of dicyandiamide (DICY)；
Curing accelerator: 0.40 part of 2- phenylimidazole (C-2 substitution)；
Solvent: 450 parts of dimethylformamide (DMF), 350 parts of acetone, 50 parts of butanone；
Inorganic filler: 60 parts of silica, 70 parts of talcum powder.
Preparation method:
(1) curing agent, promotor and solvent are mixed, stirs 4 hours to dissolving to obtain mixture A with the revolving 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,
6 hours are stirred to stirring evenly to obtain mixture B with the revolving speed of 1200rpm；
(3) under continual stirring conditions, mixture B is mixed with silica, talcum powder, it is high with the revolving speed of 2600rpm
Speed shearing 2 hours is stirred 8 hours after being cured to obtain the final product with the revolving speed of 1200rpm, and the gel time of gained glue is 245s.
Two, the preparation of the dedicated glass-fiber-plate of a kind of erratic star wheel:
Preparation method: it 1. glues: being coated on 6 electronic-grade glass fiber cloths 7628 using vertical gluing machine above-mentioned made
The dedicated glass-fiber-plate glue of erratic star wheel obtained；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 the prepreg is 31wt%, and the gel time of the prepreg is 120s, the prepreg
Fluidity is 22%, and the fugitive constituent of the prepreg is 0.3%；
2. lamination: 6 prepregs are folded and are matched, it is two-sided to be all covered with sprayed film, obtain semi-finished product；
3. the semi-finished product are carried out hot pressing compacting, the temperature of hot pressing compacting is 190 DEG C, and the pressure of hot pressing compacting is
30kg/cm2, hot pressing compacting time be 145min to get.
Gained glass-fiber-plate is subjected to performance measurement, the results are shown in Table 2.
The performance parameter of the glass-fiber-plate of 2 embodiment 2 of table
As can be seen from Table 2, glass-fiber-plate comprehensive performance obtained by embodiment 2 is good.
Embodiment 3
One, the preparation of the dedicated 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 (mPas): 2000-5000 of viscosity；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 (mPas): 8000-11000 of viscosity.
Curing agent: 50 parts of dicyandiamide (DICY)；
Curing accelerator: 0.45 part of 2- phenylimidazole (C-2 substitution)；
Solvent: 300 parts of dimethylformamide (DMF), 400 parts of acetone, 100 parts of butanone；
Inorganic filler: 45 parts of silica, 75 parts of talcum powder.
Preparation method:
(1) curing agent, promotor and solvent are mixed, stirs 4 hours to dissolving to obtain mixture A with the revolving 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,
6 hours are stirred to stirring evenly to obtain mixture B with the revolving speed of 1200rpm；
(3) under continual stirring conditions, mixture B is mixed with silica, talcum powder, it is high with the revolving speed of 2600rpm
Speed shearing 2 hours is stirred 8 hours after being cured to obtain the final product with the revolving speed of 1200rpm, and the gel time of gained glue is 260s.
Two, the preparation of the dedicated glass-fiber-plate of a kind of erratic star wheel:
Preparation method: it 1. glues: being coated on 6 electronic-grade glass fiber cloths 7628 using vertical gluing machine above-mentioned made
The dedicated glass-fiber-plate glue of erratic star wheel obtained；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 the prepreg is 32wt%, and the gel time of the prepreg is 140s, the prepreg
Fluidity is 22%, and the fugitive constituent of the prepreg is 0.3%；
2. lamination: 6 prepregs are folded and are matched, it is two-sided to be all covered with sprayed film, obtain semi-finished product；
3. the semi-finished product are carried out hot pressing compacting, the temperature of hot pressing compacting is 190 DEG C, and the pressure of hot pressing compacting is
30kg/cm2, hot pressing compacting time be 140min to get.
Gained glass-fiber-plate is subjected to performance measurement, the results are shown in Table 3.
The performance parameter of the glass-fiber-plate of 3 embodiment 3 of table
Effect example 1
Falling weight impact test (toughness test test)
Laboratory apparatus: ISO Impact Tester, brand BYK Gardner, model 5512；
Laboratory sample: base material thickness 1.5mm~1.6mm, 7628 × 8ply of matrix structure；
Experimentation: the sample after etching is installed by instrument requirements, by the position for being fixed on 20mm height of dropping hammer, makes it
Freely falling body hits material, and dropping hammer, the hit cross crack caused by material the clear, illustrate toughness of material, Punch effect more
It is good.It will be seen from figure 1 that be substantially better than market similar general for the toughness of glass-fiber-plate obtained by the embodiment of the present invention 1 (left side Fig. 1)
Logical FR-4 glass-fiber-plate material (on the right of Fig. 1).
Claims (3)
1. a kind of preparation method of the dedicated glass-fiber-plate glue of erratic star wheel, which is characterized in that the dedicated glass-fiber-plate glue of erratic star wheel
Raw material include following components in parts by weight: 600 parts of flame-retardant modified liquid halogen-free epoxy resin, 450 parts of flame-retardant modified solid-states without
Halogen epoxy resin, 40 parts of dicyandiamides, 0.35 part of 2- phenylimidazole, 400 parts of dimethylformamides, 300 parts of acetone, 100 parts of butanone,
50 parts of silica and 80 parts of talcum powder；
The preparation method includes the following steps:
(1) dicyandiamide, the 2- phenylimidazole, the dimethylformamide, the acetone and the butanone are mixed,
Stirring is to dissolving to obtain mixture A；
(2) by the mixture A and the flame-retardant modified liquid halogen-free epoxy resin, the flame-retardant modified solid-state Halogen asphalt mixtures modified by epoxy resin
Rouge mixing, stirs evenly to obtain mixture B；
(3) under agitation, the mixture B and the silica, the talcum powder are mixed, with 2200~
The speed of 2800rpm is sheared, up to the dedicated glass-fiber-plate glue of erratic star wheel after curing；
The flame-retardant modified liquid halogen-free epoxy resin be DOPO type liquid halogen-free fire retarding epoxide resin, the DOPO type liquid without
The performance indicator of halogen fire retarding epoxide resin are as follows: epoxide number 8.3-9.4eq/kg, the viscosity at 27 DEG C is 2000-5000mPas；
The flame-retardant modified solid-state halogen-free epoxy resin be DOPO type solid-state Halogenless fire retarded epoxy resin, the DOPO type solid-state without
The performance indicator of halogen fire retarding epoxide resin are as follows: epoxide equivalent 970-1070g/eg, the viscosity at 150 DEG C is 8000-
11000mPa·s。
2. a kind of preparation method of the dedicated glass-fiber-plate glue of erratic star wheel, which is characterized in that the dedicated glass-fiber-plate glue of erratic star wheel
Raw material include following components in parts by weight: 650 parts of flame-retardant modified liquid halogen-free epoxy resin, 400 parts of flame-retardant modified solid-states without
Halogen epoxy resin, 45 parts of dicyandiamides, 0.4 part of 2- phenylimidazole, 450 parts of dimethylformamides, 350 parts of acetone, 50 parts of butanone, 60
Part silica and 70 parts of talcum powder；
The preparation method includes the following steps:
(1) dicyandiamide, the 2- phenylimidazole, the dimethylformamide, the acetone and the butanone are mixed,
Stirring is to dissolving to obtain mixture A；
(2) by the mixture A and the flame-retardant modified liquid halogen-free epoxy resin, the flame-retardant modified solid-state Halogen asphalt mixtures modified by epoxy resin
Rouge mixing, stirs evenly to obtain mixture B；
(3) under agitation, the mixture B and the silica, the talcum powder are mixed, with 2200~
The speed of 2800rpm is sheared, up to the dedicated glass-fiber-plate glue of erratic star wheel after curing；
The flame-retardant modified liquid halogen-free epoxy resin be DOPO type liquid halogen-free fire retarding epoxide resin, the DOPO type liquid without
The performance indicator of halogen fire retarding epoxide resin are as follows: epoxide number 8.3-9.4eq/kg, the viscosity at 27 DEG C is 2000-5000mPas；
The flame-retardant modified solid-state halogen-free epoxy resin be DOPO type solid-state Halogenless fire retarded epoxy resin, the DOPO type solid-state without
The performance indicator of halogen fire retarding epoxide resin are as follows: epoxide equivalent 970-1070g/eg, the viscosity at 150 DEG C is 8000-
11000mPa·s。
3. a kind of preparation method of the dedicated glass-fiber-plate glue of erratic star wheel, which is characterized in that the dedicated glass-fiber-plate glue of erratic star wheel
Raw material include following components in parts by weight: 600 parts of flame-retardant modified liquid halogen-free epoxy resin, 500 parts of flame-retardant modified solid-states without
Halogen epoxy resin, 50 parts of dicyandiamides, 0.45 part of 2- phenylimidazole, 300 parts of dimethylformamides, 400 parts of acetone, 100 parts of butanone,
45 parts of silica and 75 parts of talcum powder；
The preparation method includes the following steps:
(1) dicyandiamide, the 2- phenylimidazole, the dimethylformamide, the acetone and the butanone are mixed,
Stirring is to dissolving to obtain mixture A；
(2) by the mixture A and the flame-retardant modified liquid halogen-free epoxy resin, the flame-retardant modified solid-state Halogen asphalt mixtures modified by epoxy resin
Rouge mixing, stirs evenly to obtain mixture B；
(3) under agitation, the mixture B and the silica, the talcum powder are mixed, with 2200~
The speed of 2800rpm is sheared, up to the dedicated glass-fiber-plate glue of erratic star wheel after curing；
The flame-retardant modified liquid halogen-free epoxy resin be DOPO type liquid halogen-free fire retarding epoxide resin, the DOPO type liquid without
The performance indicator of halogen fire retarding epoxide resin are as follows: epoxide number 8.3-9.4eq/kg, the viscosity at 27 DEG C is 2000-5000mPas；
The flame-retardant modified solid-state halogen-free epoxy resin be DOPO type solid-state Halogenless fire retarded epoxy resin, the DOPO type solid-state without
The performance indicator of halogen fire retarding epoxide resin are as follows: epoxide equivalent 970-1070g/eg, the viscosity at 150 DEG C is 8000-
11000mPa·s。
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| 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 |
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| CN1238422C9 (en) * | 2003-08-01 | 2017-03-29 | 广州宏昌电子材料工业有限公司 | Phosphorus-containing nitrogen-containing halogen-free flame-retardant epoxy resin composition, and prepreg and laminated board containing composition |
| CN102051026B (en) * | 2011-01-28 | 2012-12-12 | 宏昌电子材料股份有限公司 | Halogen-free flame-retardant epoxy resin composition and application thereof |
| CN102490412B (en) * | 2011-11-14 | 2014-07-23 | 上海南亚覆铜箔板有限公司 | Halogen-free environment-friendly copper-clad foil plate and preparation method thereof |
| CN103113711B (en) * | 2013-01-28 | 2015-04-08 | 北京化工大学常州先进材料研究院 | Preparation method for low-dielectric halogen-free flame retardant glass fiber pre-impregnation material |
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