CN104817824A - Epoxy resin composition used in reactor and preparation method thereof - Google Patents
Epoxy resin composition used in reactor and preparation method thereof Download PDFInfo
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- CN104817824A CN104817824A CN201510227381.1A CN201510227381A CN104817824A CN 104817824 A CN104817824 A CN 104817824A CN 201510227381 A CN201510227381 A CN 201510227381A CN 104817824 A CN104817824 A CN 104817824A
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Abstract
The invention provides an epoxy resin composition used for casting a reactor, wherein the epoxy resin composition is composed of a composition A and a composition B. The composition A comprises, by weight, 40-50 parts of E-44 epoxy resin, 5-10 parts of an activated diluents butyl glycidyl ether, 50-70 aprts of activated silicon micro powder in 400 meshes and 2-4 parts of pigments. The composition B includes, by weight, 40-50 parts of a polyamide curing agent. When the epoxy resin composition is used, mixing the composition A with the composition B according to the weight ratio of the E-44 in the composition A to the polyamide curing agent in the composition B of 1:1 in a finish mixing pot and curing the mixture. A preparation method includes following steps: (1) preparing the composition A, (2) preparing the composition B and (3) curing the mixture to obtain the epoxy resin composition. The epoxy resin composition is simple in process and stable in quality, is improved in performances synchronously, is easy to maintain during use, is free of being polluted by dust during use and is easy to clean and is free of security risk.
Description
Technical field
The present invention relates to a kind of normal temperature casting epoxy resin composition, particularly a kind of composition epoxy resin and Synthesis and applications thereof pouring into a mould reactor use, belongs to chemical technology field.
Background technology
At present, the reactor that great majority are produced is all skin only coated one deck glass tape after coil winding terminates, then soak insullac to put into baking oven and dry, not only profile is ugly, complex operation for the shaping product of this production technique, and the dust that easily falls in use procedure, not easy to clean, of long duration, bring certain hidden danger to quality product.
Summary of the invention
That the present invention proposes is a kind of reactor composition epoxy resin and preparation method, and its object is intended to the above-mentioned defect overcome existing for prior art, and product does not in use fall dust, and easy to clean, without potential safety hazard.
Technical solution of the present invention: a kind of cast reactor composition epoxy resin, it is characterized in that: be made up of composition A and composition B, composition A is by the E-44 epoxy resin of 40-50 weight part, the reactive thinner butylglycidyl ether of 5-10 weight part, 400 order active micro silicon powders of 50-70 weight part, the pigment composition of 2-4 weight part, composition B is the polyamide curing agent of 40-50 weight part; Put into whole mixing in tank according to consumption by the part by weight of the E-44 in composition A and composition B polymeric amide 1:1 during use and carry out batch mixing, curing molding.
Its preparation method, comprises the steps:
(1) composition A is prepared,
(2) composition B is got, the polyamide curing agent of 40-50 weight part;
(3) curing molding.
Use resin combination of the present invention to carry out reactor and be cast with following advantage:
1. product molding shrinking percentage is low, reaches about 0.2%;
2. (-40 ~+75 DEG C) more than 10 times that made the cold-hot shock resistance of cured article exceed;
3. the performance of mould material meets industry standard parameter;
4. the heat that produces in nominal duration of rated current and mechanical effect is tolerated;
5. product is in use easily safeguarded; 6. effectively staff labor intensity is reduced, Improving The Quality of Products.
Embodiment
A kind of cast reactor composition epoxy resin, its structure is: be made up of composition A and composition B, composition A is by the E-44 epoxy resin of 40-50 weight part, the reactive thinner butylglycidyl ether of 5-10 weight part, 400 order active micro silicon powders of 50-70 weight part, the pigment composition of 2-4 weight part, composition B is the polyamide curing agent of 40-50 weight part; Put into whole mixing in tank according to consumption by the part by weight of the E-44 in composition A and composition B polymeric amide 1:1 during use and carry out batch mixing, curing molding.
Its preparation method, comprises the steps:
(1) composition A is prepared,
1) to draw materials E-44 epoxy resin, reactive thinner butylglycidyl ether, active micro silicon powder, pigment;
2) throw in mix in premixing tank by E-44 epoxy resin 40-50 weight part, reactive thinner butylglycidyl ether 5-10 weight part, 400 order active micro silicon powder 50-70 weight parts, pigment 2-4 weight part;
3) premix filling temperature controls, at 35-40 DEG C, then stir and vacuumize, and churning time is not less than 30min, vacuumizes and is not less than 2 hours, and vacuum tightness is 100-120Pa;
(2) composition B is got, the polyamide curing agent of 40-50 weight part;
(3) curing molding, to put in 1:1 ratio according to the amount of composition A epoxy resin E-44 and composition B and stirs in mixed tank eventually, stir, time 30min; Then, mixed composition is poured in the reactor mould assembled, after being poured, mould being put into 65 ± 5 DEG C of baking ovens and be cured shaping.Set time 5-6 hour
Described E-44 and polymeric amide are host, and the molecular structure chain of E-44 is longer, and imparting this formula has good toughness; Polymeric amide has good heat resistance and toughness, thus effectively improves the mechanical property of cured article and the performance of tolerance heavy current impact.Reactive thinner butylglycidyl ether effectively reduces the viscosity of composition and the bubbles volume that reduces in mixed system, and processing performance improves; Active micro silicon powder reduces the sedimentation degree of filler, also further increases the cold-hot impact property of product and effectively reduces the linear shrinkage of cured article.
In composition B is only just embodied in when pouring into a mould reactor.
Embodiment 1
Get the composition be made up of the 400 order active micro silicon powders of the reactive thinner butylglycidyl ether of the E-44 epoxy resin of 40Kg, 5Kg, 53Kg and the pigment of 2Kg to put in premixing tank and stir, stir 30min, temperature is 35-40 DEG C, vacuumizes 2 hours, obtains composition A.
Get 40Kg polyamide curing agent as composition B.
Put into whole mixing in tank according to consumption in E-44 and polymeric amide 1:1 ratio during use and carry out batch mixing, batch mixing stirs 30min, then, mixed composition is poured in the reactor mould assembled, initial viscosity is normal, after cast, is allowed to condition at spontaneous curing in curing oven, solidification value controls at 60 DEG C, 6 hours set times; Formed product rear surface flat appearance, there is a small amount of bubble pour mass cured article inside; Through inspection, thermal cycling test (-40 ~+75 DEG C) passes through for 10 times, the phenomenons such as flawless, and load heat-drawn wire is 105 DEG C, and linear shrinkage is 0.15.
Embodiment 2
Get the composition be made up of the 400 order active micro silicon powders of the reactive thinner butylglycidyl ether of the E-44 epoxy resin of 40Kg, 5Kg, 53Kg and the pigment of 2Kg to put in premixing tank and stir, stir 30min, temperature is 35-40 DEG C, vacuumizes 2 hours, obtains composition A.
Get 40Kg polyamide curing agent as composition B.
Put into whole mixing in tank according to consumption in E-44 and polymeric amide 1:1 ratio during use and carry out batch mixing, batch mixing stirs 30min, then, mixed composition is poured in the reactor mould assembled, initial viscosity is normal, after cast, is allowed to condition at spontaneous curing in curing oven, solidification value controls at 70 DEG C, 5 hours set times; Formed product rear surface flat appearance, there is a small amount of bubble pour mass cured article inside, and thermal cycling test (-40 ~+75 DEG C) passes through for 10 times, the phenomenons such as flawless, and load heat-drawn wire is 100 DEG C, and linear shrinkage is 0.17.
Claims (2)
1. a cast reactor composition epoxy resin, it is characterized in that: be made up of composition A and composition B, composition A is by the E-44 epoxy resin of 40-50 weight part, the reactive thinner butylglycidyl ether of 5-10 weight part, 400 order active micro silicon powders of 50-70 weight part, the pigment composition of 2-4 weight part, composition B is the polyamide curing agent of 40-50 weight part; Put into whole mixing in tank according to consumption by the part by weight of the E-44 in composition A and composition B polymeric amide 1:1 during use and carry out batch mixing, curing molding.
2. a kind of preparation method pouring into a mould reactor composition epoxy resin as claimed in claim 1, is characterized in that: comprise the steps:
(1) composition A is prepared,
1) to draw materials E-44 epoxy resin, reactive thinner butylglycidyl ether, active micro silicon powder, pigment;
2) throw in mix in premixing tank by E-44 epoxy resin 40-50 weight part, reactive thinner butylglycidyl ether 5-10 weight part, 400 order active micro silicon powder 50-70 weight parts, pigment 2-4 weight part;
3) premix filling temperature controls, at 35-40 DEG C, then stir and vacuumize, and churning time is not less than 30min, vacuumizes and is not less than 2 hours, and vacuum tightness is 100-120Pa;
(2) composition B is got, the polyamide curing agent of 40-50 weight part;
(3) curing molding,
1) to put in 1:1 ratio according to the amount of composition A epoxy resin E-44 and composition B and stir in mixed tank eventually, stir, time 30min;
2) mixed composition is poured in the reactor mould assembled, after being poured, mould being put into 65 ± 5 DEG C of baking ovens and be cured;
3) solidify 5-6 hour shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227381.1A CN104817824A (en) | 2015-05-07 | 2015-05-07 | Epoxy resin composition used in reactor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227381.1A CN104817824A (en) | 2015-05-07 | 2015-05-07 | Epoxy resin composition used in reactor and preparation method thereof |
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| CN104817824A true CN104817824A (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510227381.1A Pending CN104817824A (en) | 2015-05-07 | 2015-05-07 | Epoxy resin composition used in reactor and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482370A (en) * | 2015-12-29 | 2016-04-13 | 浙江荣泰科技企业有限公司 | Insulation box filling adhesive and preparation method thereof |
-
2015
- 2015-05-07 CN CN201510227381.1A patent/CN104817824A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482370A (en) * | 2015-12-29 | 2016-04-13 | 浙江荣泰科技企业有限公司 | Insulation box filling adhesive and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150805 |
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| RJ01 | Rejection of invention patent application after publication |