CN103440903B - A kind of nuclear power machine mica tape silicon resin composition and uses thereof - Google Patents
A kind of nuclear power machine mica tape silicon resin composition and uses thereof Download PDFInfo
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Abstract
The present invention relates to a kind of nuclear power machine mica tape silicon resin composition, described silicones prepares primarily of following raw material by mass percentage: methyl MQ silicones 10 ~ 50%, phenyl MQ silicones 9 ~ 25%, hydroxyl silicon rubber 5 ~ 30%, phenyl siloxane rubber 10 ~ 40%, organic solvent 40% and base catalyst 0.005 ~ 0.02%.Adopt the nuclear power machine mica tape of this silicon resin composition, this production cost is low, and surface abrasion resistance is high, and fire-retardant oneself puts out, good insulating, high temperature resistant, radiation hardness, and has enough intensity and suitable elongation.
Description
Technical field
The present invention relates to nuclear power machine mica tape silicon resin composition and uses thereof, the binding agent being specifically related to a kind of nuclear power machine mica tape silicon resin composition and being prepared by this silicon resin composition, adopts the nuclear power machine mica tape of this binding agent and the preparation method of this mica tape.
Background technology
Mica tape, also known as fire-resistant isinglass belt, is a kind of refractory insulating material, can be divided into by purposes: motor mica tape, cable mica tape.Be divided into by structure: double-sided belt, one-side band, three-in-one band, two film strips, monofilm band etc.Can be divided into again by mica: synthetic mica tape, gold mica tape, white clouds master tape.
Mica tape is a kind of composite insulating material, primarily of three kinds of material compositions: dielectric material, supporting material, adhesive.
At present, motor is towards voltage levels, the future developments such as high power, Large Copacity, high-performance, impel electrical machine insulation to following several future development: (1) high thermal endurance class: the raising of the electric pressure of machine operation, the increase of capacity, make motor operationally liberated heat increase considerably, therefore must improve the normal use of the thermal endurance class guarantee motor of insulating material; (2) high-performance: comprise electric property, mechanical performance, chemical resistance, environment resistant etc.; (3) thinning insulation thickness: due to the increase of motor heat release, for ensureing the instructions for use of motor, must reduce electric machine temperature rise, therefore needs to reduce insulation thickness; (4) low cost: comprise the raw material using low cost, and the aspect such as the technology of low cost and quality control.
Nuclear power machine mica tape is applied in the wrapped of fire-resistant wires, cable, fire resistant electric wire and radiation hardness electric wire, plays hot-face insulation effect, is applied to the wrapping insulation layer between core motor coil.
Current nuclear power machine mica tape adhesive all grows up based on organic pressure-sensitive gel, has electrical insulating property, resistant of high or low temperature etc., and the shortcoming of existence is dry-ness difference, returns sticky, the moisture absorption, non-refractory and radiation hardness etc.The cost of the mica tape obtained thus is higher, and surface abrasion resistance is low, and high temperature resistant and radiation hardness is poor, intensity and elongation lower.
Summary of the invention
For prior art Problems existing, an object of the present invention is to provide a kind of nuclear power machine mica tape silicon resin composition, and described silicon resin composition prepares primarily of following raw material by mass percentage:
Preferably, described silicon resin composition prepares primarily of following raw material by mass percentage:
Preferably, described silicon resin composition prepares primarily of following raw material by mass percentage:
The mass percent of described methyl MQ silicones is such as 14%, 16%, 18%, 20%, 22%, 24%, 26%, 28%, 30%, 32%, 34%, 36%, 38%, 40%, 42%, 44%, 46% or 48%.
Along with the increase of resin rubber ratio, the peel strength of binding agent increases, tack reduces, and the present invention is by selecting appropriate resin rubber ratio, and the silicon resin composition obtained is large for peel strength during binding agent, is suitable for very much nuclear power machine mica tape and uses.
The mass percent of described phenyl MQ silicones is such as 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23% or 24%.
The mass percent of described hydroxyl silicon rubber is such as 9%, 10%, 11%, 13%, 15%, 17%, 19%, 21%, 23%, 25%, 27% or 29%.
The mass percent of described phenyl siloxane rubber is such as 14%, 16%, 18%, 20%, 22%, 24%, 26%, 28%, 30%, 32%, 34%, 36%, 38% or 39%.
The mass percent of described base catalyst is such as 0.007%, 0.009%, 0.011%, 0.013%, 0.015%, 0.017% or 0.019%.
" comprising " of the present invention, mean it except described component, other components can also be comprised.In addition, " comprising " of the present invention, can also replace with enclosed " being " or " by ... composition ".No matter which kind of composition raw material of the present invention comprises, and the mass percent sum of described raw material is 100%.
Preferably, described hydroxyl silicon rubber comprise that the weight average molecular weight of 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% is the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.That is, in described silicon rubber, weight average molecular weight be 5000 the hydroxyl silicon rubber percentage by weight that accounts for hydroxyl silicon rubber all in raw material be 20%.Weight average molecular weight be 10000 the hydroxyl silicon rubber percentage by weight that accounts for hydroxyl silicon rubber all in raw material be 20%.Weight average molecular weight be 20000 the hydroxyl silicon rubber percentage by weight that accounts for hydroxyl silicon rubber all in raw material be 40%.Weight average molecular weight be 30000 the hydroxyl silicon rubber percentage by weight that accounts for hydroxyl silicon rubber all in raw material be 20%.
Preferably, described phenyl siloxane rubber comprises that the weight average molecular weight of 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% is the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.That is, in described silicon rubber, weight average molecular weight be 5000 the phenyl siloxane rubber percentage by weight that accounts for phenyl siloxane rubbers all in raw material be 20%.Weight average molecular weight be 10000 the phenyl siloxane rubber percentage by weight that accounts for phenyl siloxane rubbers all in raw material be 20%.Weight average molecular weight be 20000 the phenyl siloxane rubber percentage by weight that accounts for phenyl siloxane rubbers all in raw material be 40%.Weight average molecular weight be 30000 the phenyl siloxane rubber percentage by weight that accounts for phenyl siloxane rubbers all in raw material be 20%.
The performance of range of molecular weight distributions to binding agent of binding agent has a great impact, narrow molecular weight distribution, binding agent hold that viscosity is bad, solidification effect good, feel is poor.If adopt the silicon rubber of different molecular weight wide with the use of the molecular weight distribution of the binding agent that employing silicon resin composition of the present invention just can be made to obtain, such glue holds that viscosity is good, good hand touch, dry and comfortable.
Preferably, described organic solvent is selected from aromatic organic solvent, and preferred toluene is or/and dimethylbenzene.
Preferably, described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
Preferably, the ratio of M and the Q chain link of described methyl MQ silicones is M/Q=6-12, such as 6.5,7,7.5,8,8.5,9,9.5,10,10.5,11 or 11.5, preferably 6 ~ 10.
Two of object of the present invention is the preparation method providing a kind of nuclear power machine mica tape silicon resin composition as above, and described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, add hot reflux, add polymerization inhibitor after question response is complete, obtain nuclear power machine mica tape silicon resin composition.
The described temperature adding hot reflux is 110 ~ 120 DEG C, such as 111 DEG C, 111.5 DEG C, 112.5 DEG C, 113 DEG C, 114 DEG C, 115 DEG C, 116 DEG C, 117 DEG C, 118 DEG C or 119 DEG C, preferably 112 DEG C.
Preferably, after having reacted rear adjustment solid content to 50 ~ 70%, add polymerization inhibitor again, such as 52%, 54%, 56%, 58%, 61%, 63%, 65%, 67% or 69%, after the complete rear adjustment solid content to 60% of preferred reaction, add polymerization inhibitor again.
Owing to there being the existence of catalyst, adopt the binding agent of silicon resin composition of the present invention gel can occur for a long time standing time, so polymerization inhibitor must be added in right amount, as lower alcohol.
Three of object of the present invention is to provide a kind of binding agent, and described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from organic peroxide curing agent, and preferred dibenzoyl peroxide is or/and 2,4-dichlorobenzoperoxide.
The curing temperature of described dibenzoyl peroxide is 150 DEG C, belongs to radically curing.
The curing temperature of described 2,4-dichlorobenzoperoxides is 180 DEG C, belongs to radically curing.
Preferably, the content of described curing agent is 0.8 ~ 2.0% of the solid content of described silicon resin composition, such as 0.9%, 1%, 1.1%, 1.2%, 1.3%, 1.4%, 1.5%, 1.6%, 1.7%, 1.8% or 1.9%.
Present invention also offers a kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on described binding agent.
The thickness of described mica tape is 0.05mm ~ 0.2mm.
That is, described nuclear power machine mica tape comprises alkali-free glass fiber layer of cloth, adhesive layer as above and fluorophologopite paper from bottom to top successively.
Present invention also offers a kind of preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth is applied binding agent as above, then on this binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
The temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.
Preferably, be heating and curing through drying tunnel, the length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Compared with the prior art, the present invention has following beneficial effect:
The binding agent caking property adopting silicon resin composition of the present invention to obtain is good, and peeling force can reach 15N/m, first viscous force can reach No. 25 steel balls, hold tack is good, flexibility is good, dry and comfortable, it is sticky not return and nonhygroscopic, and burning does not analyse charcoal, high temperature resistant, radiation hardness.
The invention provides a kind of nuclear power machine mica tape, this production cost is low, and surface abrasion resistance is high, and fire-retardant oneself puts out, good insulating (breakdown strength 25MV/m), high temperature resistant (1100 DEG C), radiation hardness, and has enough intensity and suitable elongation.
Embodiment
For better the present invention being described, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
Embodiment 1
A kind of nuclear power machine mica tape silicon resin composition, described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.
Described organic solvent is selected from toluene.
Described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
The methyl MQ silicones of described methyl MQ silicones to be the ratio of M and Q chain link be M/Q=6-12.
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, hot reflux is added at 110 DEG C, the complete rear adjustment solid content to 50% of question response adds polymerization inhibitor, obtains nuclear power machine mica tape silicon resin composition.
A kind of binding agent, described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from dibenzoyl peroxide.The content of described curing agent is 0.8% of the solid content of described silicon resin composition.
A kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on binding agent.
The preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
Be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.The length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Embodiment 2
A kind of nuclear power machine mica tape silicon resin composition, described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.
Described organic solvent is selected from dimethylbenzene.
Described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
The methyl MQ silicones of described methyl MQ silicones to be the ratio of M and Q chain link be M/Q=6-12.
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, hot reflux is added at 120 DEG C, the complete rear adjustment solid content to 70% of question response adds polymerization inhibitor, obtains nuclear power machine mica tape silicon resin composition.
A kind of binding agent, described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from 2,4-dichlorobenzoperoxide.The content of described curing agent is 2% of the solid content of described silicon resin composition.
A kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on binding agent.
The preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
Be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.The length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Embodiment 3
A kind of nuclear power machine mica tape silicon resin composition, described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.
Described organic solvent is selected from toluene.
Described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
The methyl MQ silicones of described methyl MQ silicones to be the ratio of M and Q chain link be M/Q=6-12.
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, hot reflux is added at 112 DEG C, the complete rear adjustment solid content to 60% of question response adds polymerization inhibitor, obtains nuclear power machine mica tape silicon resin composition.
A kind of binding agent, described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from dibenzoyl peroxide.The content of described curing agent is 1% of the solid content of described silicon resin composition.
A kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on binding agent.
The preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
Be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.The length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Embodiment 4
A kind of nuclear power machine mica tape silicon resin composition, described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.
Described organic solvent is selected from toluene.
Described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
The methyl MQ silicones of described methyl MQ silicones to be the ratio of M and Q chain link be M/Q=6-12.
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, hot reflux is added at 112 DEG C, the complete rear adjustment solid content to 60% of question response adds polymerization inhibitor, obtains nuclear power machine mica tape silicon resin composition.
A kind of binding agent, described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from dibenzoyl peroxide.The content of described curing agent is 1% of the solid content of described silicon resin composition.
A kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on binding agent.
The preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
Be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.The length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Embodiment 5
A kind of nuclear power machine mica tape silicon resin composition, described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.
Described organic solvent is selected from toluene.
Described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
The methyl MQ silicones of described methyl MQ silicones to be the ratio of M and Q chain link be M/Q=6-12.
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, hot reflux is added at 112 DEG C, the complete rear adjustment solid content to 60% of question response adds polymerization inhibitor, obtains nuclear power machine mica tape silicon resin composition.
A kind of binding agent, described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from dibenzoyl peroxide.The content of described curing agent is 1% of the solid content of described silicon resin composition.
A kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on binding agent.
The preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
Be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.The length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Embodiment 6
A kind of nuclear power machine mica tape silicon resin composition, described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber.
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000.
Described organic solvent is selected from toluene.
Described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
The methyl MQ silicones of described methyl MQ silicones to be the ratio of M and Q chain link be M/Q=6-12.
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, hot reflux is added at 112 DEG C, the complete rear adjustment solid content to 60% of question response adds polymerization inhibitor, obtains nuclear power machine mica tape silicon resin composition.
A kind of binding agent, described binding agent comprises silicon resin composition as above and curing agent.
Described curing agent is selected from dibenzoyl peroxide.The content of described curing agent is 1% of the solid content of described silicon resin composition.
A kind of nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent as above on alkali-free glass fiber cloth and applies the fluorophologopite paper on binding agent.
The preparation method of mica tape as above, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
Be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.The length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Applicant states, the present invention illustrates method detailed of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned method detailed, does not namely mean that the present invention must rely on above-mentioned method detailed and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (13)
1. a nuclear power machine mica tape, described mica tape comprises alkali-free glass fiber cloth, is coated in the binding agent on alkali-free glass fiber cloth and applies the fluorophologopite paper on described binding agent, described binding agent comprises nuclear power machine mica tape silicon resin composition and curing agent, and described silicon resin composition prepares primarily of following raw material by mass percentage:
The weight average molecular weight that described hydroxyl silicon rubber comprises 20% is the hydroxyl silicon rubber of 5000, the weight average molecular weight of 20% is the hydroxyl silicon rubber of 10000, the weight average molecular weight of 40% to be the hydroxyl silicon rubber of 20000 and the molecular weight of 20% be 30000 hydroxyl silicon rubber;
The weight average molecular weight that described phenyl siloxane rubber comprises 20% is the phenyl siloxane rubber of 5000, the weight average molecular weight of 20% is the phenyl siloxane rubber of 10000, the weight average molecular weight of 40% be the phenyl siloxane rubber of 20000 and the molecular weight of 20% is the phenyl siloxane rubber of 30000;
The ratio of M and the Q chain link of described methyl MQ silicones is M/Q=6-12;
The preparation method of nuclear power machine mica tape silicon resin composition as above, described method comprises the steps:
The hydroxyl silicon rubber of formula ratio, phenyl siloxane rubber, methyl MQ silicones and phenyl MQ silicones are dissolved in the organic solvent of formula ratio, then the reactor of band reflux is put into, under agitation add the base catalyst of formula ratio as condensation catalyst, add hot reflux, add polymerization inhibitor after question response is complete, obtain nuclear power machine mica tape silicon resin composition; The described temperature adding hot reflux is 110 ~ 120 DEG C, adds polymerization inhibitor again after having reacted rear adjustment solid content to 50 ~ 70%.
2. nuclear power machine mica tape as claimed in claim 1, it is characterized in that, described silicon resin composition prepares primarily of following raw material by mass percentage:
3. nuclear power machine mica tape as claimed in claim 1 or 2, it is characterized in that, described silicon resin composition prepares primarily of following raw material by mass percentage:
4. the nuclear power machine mica tape as described in one of claim 1-2, it is characterized in that, described organic solvent is selected from aromatic organic solvent.
5. nuclear power machine mica tape as claimed in claim 4, it is characterized in that, described organic solvent is selected from toluene or/and dimethylbenzene.
6. the nuclear power machine mica tape as described in one of claim 1-2, is characterized in that, described base catalyst is selected from the mixture of any one or at least two kinds in Tetramethylammonium hydroxide, potassium hydroxide or caustic alcohol.
7. the nuclear power machine mica tape as described in one of claim 1-2, is characterized in that, the ratio of M and the Q chain link of described methyl MQ silicones is 6 ~ 10.
8. the nuclear power machine mica tape as described in one of claim 1-2, it is characterized in that, described curing agent is selected from organic peroxide curing agent.
9. nuclear power machine mica tape as claimed in claim 8, it is characterized in that, described curing agent is selected from dibenzoyl peroxide or/and 2,4-dichlorobenzoperoxide.
10. the nuclear power machine mica tape as described in one of claim 1-2, is characterized in that, the content of described curing agent is 0.8 ~ 2.0% of the solid content of described silicon resin composition.
The preparation method of 11. 1 kinds of nuclear power machine mica tapes as claimed in claim 1, it is characterized in that, described method is: after alkali-free glass fiber cloth adhesive stripe-coating, then on this binding agent, apply fluorophologopite paper, be heating and curing, and obtains nuclear power machine mica tape.
12. methods as claimed in claim 11, it is characterized in that, be heating and curing through drying tunnel, the temperature that described drying tunnel is each section respectively is 60 ~ 80 DEG C, 80 ~ 90 DEG C, 90 ~ 100 DEG C and 100 ~ 120 DEG C from the inlet to the outlet.
13. methods as claimed in claim 12, it is characterized in that, the length of described drying tunnel every section is 6m, and the gait of march in drying tunnel is 4 ~ 8m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310358545.5A CN103440903B (en) | 2013-08-16 | 2013-08-16 | A kind of nuclear power machine mica tape silicon resin composition and uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310358545.5A CN103440903B (en) | 2013-08-16 | 2013-08-16 | A kind of nuclear power machine mica tape silicon resin composition and uses thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103440903A CN103440903A (en) | 2013-12-11 |
| CN103440903B true CN103440903B (en) | 2015-12-02 |
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| CN105931727A (en) * | 2016-07-06 | 2016-09-07 | 芜湖航天特种电缆厂股份有限公司 | High-temperature-resistant fireproof wave-preventing sleeve and preparation method therefor |
| CN112712948A (en) * | 2020-12-29 | 2021-04-27 | 晟大科技(南通)有限公司 | Preparation method of solvent-free mica tape |
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| EP0255226A2 (en) * | 1986-06-26 | 1988-02-03 | Minnesota Mining And Manufacturing Company | Silicone pressure-sensitive adhesive having improved properties |
| CN1071780A (en) * | 1992-09-11 | 1993-05-05 | 张永成 | Non-inflammable mica tape |
| CN1168530A (en) * | 1996-02-14 | 1997-12-24 | 陈云生 | Refractory synthetic mica tape and its production process |
| CN1477172A (en) * | 2003-07-10 | 2004-02-25 | 同济大学 | High-temp, resistant organic silicon adhesive and its preparation method |
| KR20050069235A (en) * | 2003-12-31 | 2005-07-05 | 주식회사 케이씨씨 | Non solvent silicone pressure sensitive adhesive composition |
| CN101157844A (en) * | 2007-09-20 | 2008-04-09 | 卢儒 | Special organosilicon adhesive for fire-resistant isinglass belt and production method |
| CN101280110A (en) * | 2008-05-16 | 2008-10-08 | 卢儒 | Non-dissolvent environment-friendly silicon resin for mica tape |
| CN102876249A (en) * | 2012-08-31 | 2013-01-16 | 江苏创基新材料有限公司 | Preparation method of peelable type organosilicon pressure-sensitive adhesive |
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| EP0255226A2 (en) * | 1986-06-26 | 1988-02-03 | Minnesota Mining And Manufacturing Company | Silicone pressure-sensitive adhesive having improved properties |
| CN1071780A (en) * | 1992-09-11 | 1993-05-05 | 张永成 | Non-inflammable mica tape |
| CN1168530A (en) * | 1996-02-14 | 1997-12-24 | 陈云生 | Refractory synthetic mica tape and its production process |
| CN1477172A (en) * | 2003-07-10 | 2004-02-25 | 同济大学 | High-temp, resistant organic silicon adhesive and its preparation method |
| KR20050069235A (en) * | 2003-12-31 | 2005-07-05 | 주식회사 케이씨씨 | Non solvent silicone pressure sensitive adhesive composition |
| CN101157844A (en) * | 2007-09-20 | 2008-04-09 | 卢儒 | Special organosilicon adhesive for fire-resistant isinglass belt and production method |
| CN101280110A (en) * | 2008-05-16 | 2008-10-08 | 卢儒 | Non-dissolvent environment-friendly silicon resin for mica tape |
| CN102876249A (en) * | 2012-08-31 | 2013-01-16 | 江苏创基新材料有限公司 | Preparation method of peelable type organosilicon pressure-sensitive adhesive |
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Effective date of registration: 20160530 Address after: 226017 Jiangsu city of Nantong Province Economic and Technological Development Zone Road, No. 31. Patentee after: Shengda Technology (Nantong) Co., Ltd. Address before: 214135 Jiangsu Province, Wuxi City District Qingyuan Road No. 18 Pacific Park University Science Park building 530 A908 Patentee before: Lu Ru |