CN109679310A - Direct current generator plastic packaging BMC material and preparation method thereof - Google Patents
Direct current generator plastic packaging BMC material and preparation method thereof Download PDFInfo
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- CN109679310A CN109679310A CN201811629149.0A CN201811629149A CN109679310A CN 109679310 A CN109679310 A CN 109679310A CN 201811629149 A CN201811629149 A CN 201811629149A CN 109679310 A CN109679310 A CN 109679310A
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- resin
- direct current
- plastic packaging
- current generator
- inhibitor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
- C08K7/20—Glass
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a kind of direct current generator plastic packaging BMC material, including resin, release agent, curing agent, glass fibre, filler, inhibitor；The filler is calcium carbonate, aluminium hydroxide, the mixture of spherical glass beads；The present invention makes direct current generator plastic packaging BMC material have preferable viscosity, intensity and mobility by the spherical glass beads of the addition low oil absorption ferric in filler；Again by addition inhibitor, so that solidification is more complete, while making BMC plastic packaging product have excellent surface smoothness, compactness and mechanical strength, it is able to satisfy the requirement of high-performance direct current motor plastic package material.
Description
Technical field
The invention belongs to BMC material technical field, in particular to a kind of direct current generator plastic packaging BMC material and its preparation side
Method.
Background technique
Currently, the lapping outside conventional motor is plastics, the filler used is aluminium hydroxide and calcium carbonate, due to upper
It is microcosmic irregular to state filler, there are more corner angle, these corner angle can reduce the mobility of material, be easy to cause that structure is complicated
The scarce material on part surface, reason be filler itself microcosmic in irregular shape, it is irregular in the preparation process of material
There is more gap, air enters gap and forms bubble, influences the surface quality of product after curing molding between filler；Meanwhile
Motor enamel-covered wire can also be impacted during curing molding, destroy enameled wire epidermis insulated paint, cause security risk, and
Motor turn-to-turn short circuit rate is caused to increase.
Summary of the invention
The purpose of the present invention is to provide a kind of good fluidity, motor turn-to-turn short circuit rate is low, is able to satisfy high-performance direct current electricity
The direct current generator plastic packaging BMC material of machine requirement.
In order to achieve the above objectives, concrete scheme of the invention is as follows:
A kind of direct current generator plastic packaging BMC material, including resin, release agent, curing agent, glass fibre, filler；Described
Filler is calcium carbonate, aluminium hydroxide, the mixture of spherical glass beads.
It further include inhibitor to slow down solidification of the BMC material inside the runner and mold in flow process, the inhibition
Agent is hydroquinone, benzoquinones, p-tert-Butylcatechol or quaternary ammonium salt.Preferably, the inhibitor is Chun Du≤98%
Hydroquinone or benzoquinones.By adding above-mentioned inhibitor, material can be effectively increased inside the runner and mold in flow process
Curing time (slows down cured effect), so that solidification is more complete, further solves the scarce material, pre- solid of material forming process
The problems such as change, ripple glaze, sand hole.
For the filling effect for further increasing filler, calcium carbonate and aluminium hydroxide pass through ball milling reduction partial size, the carbon
The partial size D50=5-8um of sour calcium, the partial size D50=8-10um of the aluminium hydroxide, the spherical glass beads are 100-
The hollow ball shape glass microballoon of 150 mesh can effectively reduce powder corner angle, increase mobility, reduce oil absorbency, reduce resin and use
Amount, to reduce material cost.
The resin is unsaturated-resin and low shrink resin；The unsaturated polyester resin is isophthalic resin, second
Ene based resins, epoxy resin or adjacent benzene resin；The low shrink resin is PS solution, and PMMA solution, PVAC solution, EVA is molten
Liquid, rubber, PE powder or saturated resin；The release agent is calcium stearate, zinc stearate or barium stearate；The curing agent
For bis- (t-amyl peroxy) hexamethylenes of 1,1-, penta rouge of peroxidating 2- ethyl acetic acid uncle, peroxidized t-butyl perbenzoate, peroxidating is different
Three tert-butyl acrylate of propyl, the peroxidating 2- ethyl acid tert-butyl ester, 1,1- bis- (t-butyl peroxy) -3, in 3,5- trimethyl-cyclohexanes
Any one or more mixtures.
Preferably, the unsaturated polyester resin is isophthalic neopentyl glycol resins, and the resin viscosity is in 2000-
3000mPa.S, solid content is in 60-65%, relative to other unsaturated polyester resins, has more excellent water resistance, weather-proof
Property and glass wellability；The low shrink resin is modified PS solution, with impact, excellent color compatibility and
Heat-resisting weatherability.
A kind of direct current generator plastic packaging BMC material, the raw material including following weight percent: resin 15-30%；Release agent
1-3%；Curing agent 0.1-0.5%；Glass fibre 4-12%；Calcium carbonate 45-60%；Aluminium hydroxide 10-20%；Spherical glass is micro-
Pearl 1-8%；Inhibitor 0-0.6%.
Preferably, the raw material including following weight percent: resin 15-25%；Release agent 1-2%；Curing agent 0.1-
0.5%；Glass fibre 6-12%；Calcium carbonate 50-60%；Aluminium hydroxide 10-18%；Spherical glass beads 2-7%；Inhibitor
0.1-0.5%.
Preferably, the raw material including following weight percent: resin 15-23%；Release agent 1-2%；Curing agent 0.1-
0.5%；Glass fibre 6-10%；Calcium carbonate 55-60%；Aluminium hydroxide 10-15%；Spherical glass beads 2-5%；Inhibitor
0.1-0.3%.
The invention also discloses the preparation methods of direct current generator plastic packaging BMC material, easy to operate with simple process
The characteristics of.
A kind of preparation method of direct current generator high performance material, includes the following steps:
(1) by resin, curing agent, release agent, which is placed in dispersion machine, stirs 10min, obtains the mixed uniform liquid of paste；
(2) by spherical glass beads, calcium carbonate and aluminium hydroxide by ball milling are added in the liquid that step 1 obtains, and are stirred
15min is mixed, uniformly mixed paste is obtained；
(3) it is uniformly added into glass fibre in the paste in step 2, stirs 10min, obtains the material mixed production
Product.
Compared with prior art, the present invention having the advantages that following prominent and good effect:
(1) by the way that the spherical glass beads of low oil absorption ferric are added in filler, there is direct current generator plastic packaging with BMC material
Preferable viscosity and intensity, mobility are also significantly increased, and can effectively reduce the impact in forming process to motor enamel-covered wire,
To reduce motor turn-to-turn short circuit rate, also there is good mouldability, be conducive to the more complicated product of molding structure, it can be effective
The problems such as lacking material, sand hole in material forming process is avoided or reduced, industrialized mass production is suitble to.
(2) screening is compared by further investigation to existing direct current generator plastic packaging BMC material and test, to calcium carbonate,
Aluminium hydroxide, spherical glass beads and unsaturated polyester resin, low shrink resin, inhibitor raw material optimize choosing
With in conjunction with the rational proportion of each component raw material, the excellent properties for each component raw material that energy complex optimum is selected reduce resin
Usage amount to reduce material cost, while making BMC plastic packaging product have excellent surface smoothness, compactness and machinery
Intensity is able to satisfy the requirement of high-performance direct current motor plastic package material.
Detailed description of the invention
Fig. 1 is the curing reaction curve comparison figure (temperature/time) of embodiment 1 and comparative example.
Label declaration: 1 is the curing reaction curve of comparative example, and 2 be the curing reaction curve of embodiment 1.
Specific embodiment
Embodiment 1
A kind of direct current generator plastic packaging BMC material, the raw material including following weight percent: (isophthalic is new for unsaturated-resin
Pentanediol resin) 12%；Low shrink resin (PMMA solution) 11.2%；Release agent (calcium stearate) 1.3%；Curing agent (1,1-
Bis- (t-amyl peroxy) hexamethylenes) 0.3%；Glass fibre 8%；Calcium carbonate (through ball milling) 46%；Aluminium hydroxide 18%；Spherical glass
Glass microballon 3%；Inhibitor (hydroquinone) 0.2%.
A kind of preparation method of direct current generator plastic packaging BMC material, includes the following steps:
(1) by unsaturated-resin, low shrink resin, curing agent, release agent, which is placed in dispersion machine, stirs 10min, is mixed
Paste uniform liquid；
(2) by spherical glass beads, the liquid that step (1) obtains is added in calcium carbonate and aluminium hydroxide by ball mill
In, 15min is stirred, uniformly mixed paste is obtained；
(3) it is uniformly added into glass fibre in the paste in step (2), stirs 10min, obtains the material mixed production
Product.
The component of embodiment 2-6 and comparative example such as following table
Wherein, for the inhibitor that the embodiment 1 uses for hydroquinone, the inhibitor that embodiment 2-3 is used is real for benzoquinones
The inhibitor that a 4-5 is used is applied as p-tert-Butylcatechol, the inhibitor that embodiment 6 uses is quaternary ammonium salt.
Measure the specific gravity of comparative example and embodiment 1-6, shrinking percentage, curing time, mobility, tensile strength, bending strength,
Impact strength, motor turn-to-turn rate data are as follows:
As it can be seen that embodiment 1-6 improves 25-50% in terms of mobility compared to comparative example, motor turn-to-turn rate reduces 20-
60%.
Above specific embodiment is only presently preferred embodiments of the present invention, is not intended to limit the invention, all in this hair
Any modification, equivalent substitution, improvement and etc. done within bright spirit and principle, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of direct current generator plastic packaging BMC material, including resin, release agent, curing agent, glass fibre, filler；Its feature exists
In: the filler is calcium carbonate, aluminium hydroxide, the mixture of spherical glass beads.
2. a kind of direct current generator plastic packaging BMC material as described in claim 1, it is characterised in that: further include inhibitor；It is described
Inhibitor be hydroquinone, benzoquinones, p-tert-Butylcatechol or quaternary ammonium salt.
3. a kind of direct current generator plastic packaging BMC material as claimed in claim 2, it is characterised in that: the inhibitor is pure
The hydroquinone or benzoquinones of Du≤98%.
4. a kind of direct current generator plastic packaging BMC material as described in claim 1, it is characterised in that: the partial size of the calcium carbonate
D50=5-8um, partial size D50=8-10um of the aluminium hydroxide, the spherical glass beads are the hollow sphere of 100-150 mesh
Shape glass microballoon.
5. a kind of direct current generator plastic packaging BMC material as described in claim 1, it is characterised in that: the resin is insatiable hunger
With resin and low shrink resin；The unsaturated polyester resin is isophthalic resin, vinylite, epoxy resin or adjacent benzene tree
Rouge；The low shrink resin is PS solution, PMMA solution, PVAC solution, EVA solution, rubber, PE powder or saturated resin；Institute
The release agent stated is calcium stearate, zinc stearate or barium stearate；The curing agent is bis- (t-amyl peroxy) hexamethylenes of 1,1-
Alkane, penta rouge of peroxidating 2- ethyl acetic acid uncle, peroxidized t-butyl perbenzoate, three tert-butyl acrylate of isopropyl peroxide, peroxidating 2-
The ethyl acid tert-butyl ester, 1,1- bis- (t-butyl peroxy) -3, any one of 3,5- trimethyl-cyclohexanes or more than one is mixed
Close object.
6. a kind of direct current generator plastic packaging BMC material as described in claim 1, it is characterised in that: the unsaturated polyester (UP)
Resin is isophthalic neopentyl glycol resins；The low shrink resin is modified PS solution.
7. a kind of direct current generator plastic packaging BMC material as described in claim 1-6 is any, which is characterized in that including weighing as follows
Measure the raw material of percentage: resin 15-30%；Release agent 1-3%；Curing agent 0.1-0.5%；Glass fibre 4-12%；Calcium carbonate 45-
60%；Aluminium hydroxide 10-20%；Spherical glass beads 1-8%；Inhibitor 0-0.6%.
8. a kind of direct current generator plastic packaging BMC material as described in claim 1-6 is any, which is characterized in that including weighing as follows
Measure the raw material of percentage: resin 15-25%；Release agent 1-2%；Curing agent 0.1-0.5%；Glass fibre 6-12%；Calcium carbonate 50-
60%；Aluminium hydroxide 10-18%；Spherical glass beads 2-7%；Inhibitor 0.1-0.5%.
9. the direct current generator plastic packaging BMC material as described in claim 1-6 is any, which is characterized in that including following weight hundred
Divide the raw material of ratio: resin 15-23%；Release agent 1-2%；Curing agent 0.1-0.5%；Glass fibre 6-10%；Calcium carbonate 55-60%；Hydrogen
Aluminium oxide 10-15%；Spherical glass beads 2-5%；Inhibitor 0.1-0.3%.
10. a kind of preparation method of the direct current generator plastic packaging BMC material as described in claim 1-6 is any, feature exist
In including the following steps:
(1) by resin, curing agent, release agent, which is placed in dispersion machine, stirs 10min, obtains the mixed uniform liquid of paste；
(2) by spherical glass beads, calcium carbonate and aluminium hydroxide by ball milling are added in the liquid that step 1 obtains, stirring
15min obtains uniformly mixed paste；
(3) it is uniformly added into glass fibre in the paste in step 2, stirs 10min, obtains the material product mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629149.0A CN109679310B (en) | 2018-12-29 | 2018-12-29 | BMC material for direct current motor plastic package and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629149.0A CN109679310B (en) | 2018-12-29 | 2018-12-29 | BMC material for direct current motor plastic package and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109679310A true CN109679310A (en) | 2019-04-26 |
| CN109679310B CN109679310B (en) | 2022-01-28 |
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| CN201811629149.0A Active CN109679310B (en) | 2018-12-29 | 2018-12-29 | BMC material for direct current motor plastic package and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113999540A (en) * | 2021-11-16 | 2022-02-01 | 绍兴金创意塑化电器有限公司 | Low-density high-strength high-thermal-conductivity molding compound for motor and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022004A1 (en) * | 2009-08-19 | 2011-02-24 | Cereplast, Inc. | Polymer compositions having poly(lactic acid) |
| CN102643524A (en) * | 2012-04-24 | 2012-08-22 | 上海昭和高分子有限公司 | Unsaturated polyester bulk molding compound as well as method and application thereof |
-
2018
- 2018-12-29 CN CN201811629149.0A patent/CN109679310B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022004A1 (en) * | 2009-08-19 | 2011-02-24 | Cereplast, Inc. | Polymer compositions having poly(lactic acid) |
| CN102643524A (en) * | 2012-04-24 | 2012-08-22 | 上海昭和高分子有限公司 | Unsaturated polyester bulk molding compound as well as method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| 沈开猷: "《不饱和聚酯树脂及其应用》", 31 January 2000, 化学工业出版社 * |
| 谢圣英等: "《塑料材料》", 31 January 2010, 中国轻工业出版社 * |
| 贺曼罗: "《环氧树脂胶粘剂》", 30 April 2004, 中国石化出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113999540A (en) * | 2021-11-16 | 2022-02-01 | 绍兴金创意塑化电器有限公司 | Low-density high-strength high-thermal-conductivity molding compound for motor and preparation method thereof |
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| Publication number | Publication date |
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| CN109679310B (en) | 2022-01-28 |
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