CN104479316B - A kind of oil resistant, corrosion-resistant, fire-retardant BMC plastics - Google Patents
A kind of oil resistant, corrosion-resistant, fire-retardant BMC plastics Download PDFInfo
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- CN104479316B CN104479316B CN201410635100.1A CN201410635100A CN104479316B CN 104479316 B CN104479316 B CN 104479316B CN 201410635100 A CN201410635100 A CN 201410635100A CN 104479316 B CN104479316 B CN 104479316B
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Abstract
The present invention relates to a kind of BMC plastics, object is to provide one and has reliable physical performance, and corrosion-resistant, oil resistant, fire-retardant reinforced plastics are made.Technical essential is: the weight part composition of Bulk Molding Compound: unsaturated polyester 34 ~ 47 parts, cobalt naphthenate 0.3 ~ 0.4 part, methylethyl ketone peroxide 0.3 ~ 0.35 part, carbonic acid Ca45 ~ 47 part, 0.1 ~ 0.3 part, static inhibitor, 0.1 ~ 0.15 part, oxidation inhibitor, pentabromophenol 0.1 ~ 0.15, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.1 ~ 0.3 part, trimeric cyanamide 0.1 ~ 0.2 part, the silane coupling agent of nano silicon 0.08 ~ 0.1 part and adaptive amount, fortifying fibre 28 ~ 31 parts.Plastics can the temperature of resistance to 360 DEG C and-64 DEG C, keeps physicals substantially constant.And there is the advantage of high tenacity and high strength, effectively improve the shock-resistance of unsaturated polyester fiber reinforcement Bulk Molding Compound.Highly corrosion-resistant, anti-aging, oil resistant, fire-retardant performance, be applicable to oil tank manufacture.
Description
The application is application number: 201310156434.6, and patent name is: the divisional application of the patent of invention of " a kind of corrosion-resistant, oil resistant, fire-retardant plastic oil tank ", the original bill applying date: 2013-4-29.
Technical field
The present invention relates to reinforced plastics, also relate to oil tank.
Background technology
In prior art, middle-size and small-size oil tank is based on steel horizontal type structure.There is shortcomings in such oil tank:
1, easily corrode.Corrode particularly serious in soil under strong acid, alkali environment.Domestic tank design is generally 15 years work-ing life.Related documents discloses Tank corrosion and reveals the important source of pollution having become EU countries's environment, and the service station as Britain 1/3 causes severe contamination to soil and groundwater.
2, oil tank production energy consumption is large.In the production, installation process of starting material and product, large to the consumption of water, electricity, coal and fuel wet goods traditional energy.Such as: 50 cubic metres of horizontal tanks need to consume nearly 9 tons of steel; And produce steel inherently high energy consumption, high pollution.
3, quality control is difficult.In-place forming is installed the objective factor such as weather, environment dependency large, to construction technology and personnel's skill set requirements high, wartime, making was difficult to reach desirable construction effect.
4, hoisting transportation is difficult.National standard drawing concentrates the diameter of 30 cubic metres of oil tanks to be 2.4 meters, and length is 7.8 meters, transport by road difficulty.More than 50 cubic metres are almost difficult to transport, lifting, can only field fabrication.
In sum, the energy consumption of conventional steel oil tank is large, corrosion-resistant, and the manufacturing cycle is long, is unfavorable for the prolonged storage of oil plant at ordinary times, is also difficult to meet the quick turnover of oil plant in wartime, transmitting-receiving and protection needs.
These technical problem long-term existence, but not improving feasible technical scheme so far solves these technical barriers.
Summary of the invention
Main purpose of the present invention is to provide one and has reliable physical performance, the BMC plastics of corrosion-resistant, oil resistant, fire-retardant enhancing, namely Bulk Molding Compound.
For achieving the above object, present invention employs following improvement opportunity scheme:
A kind of oil resistant, fire-retardant, corrosion resistant unsaturated polyester fiber reinforcement Bulk Molding Compound, described plastics are made up of following weight part: unsaturated polyester 34 ~ 47 parts, cobalt naphthenate 0.3 ~ 0.4 part, methylethyl ketone peroxide 0.3 ~ 0.35 part, carbonic acid Ca45 ~ 47 part, 0.1 ~ 0.3 part, static inhibitor, 0.1 ~ 0.15 part, oxidation inhibitor, pentabromophenol 0.1 ~ 0.15, micro encapsulation three-(2, 3-dibromopropyl) chlorinated isocyanurates 0.1 ~ 0.3 part, trimeric cyanamide 0.1 ~ 0.2 part, the silane coupling agent of nano silicon 0.08 ~ 0.1 part and adaptive amount, fortifying fibre 28 ~ 31 parts, described unsaturated polyester is tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester or Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester or the mixture of the two.
Preferably, described unsaturated polyester is Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester and tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester in the composite mixture of the ratio of 1:5.Adopt these two kinds of unsaturated polyesters to be ensure product physicals, and play guarantee that is corrosion-resistant, flame retardant properties together with enhancing, fire-retardant additive.
Preferably, described fortifying fibre is the one in the non-twist glass roving of alkali-free, carbon fiber, organic polymeric fiber, ceramic fiber and steel fiber.
Preferably, described static inhibitor comprise in quaternary ammonium salt, amine salt, phosphoric acid salt, quatemay ammonium inner salt, L-Ala salt one or more.
The preparation method of foregoing plastics, step comprises:
A. nano silicon silane coupling agent is done silicone covering process;
B, the raw material except fortifying fibre is joined in unsaturated polyester, mix with stirrer, obtain unsaturated polyester Bulk Molding Compound resin paste;
C. the resin paste sized reinforcing fibres in kneader will made, fiber is limited to and adds completely within 5min, mediate 10 ~ 20min relief its fully mix;
D. the material group forcing machine having infiltrated fortifying fibre is extruded, pack with polyethylene film, place under normal temperature and within 24 hours, obtain unsaturated polyester fiber reinforcement Bulk Molding Compound.
Utilize the oil tank that described plastics manufacture, prefabricated component made by described plastics in a mold mold pressing, and prefabricated component connects and composes horizontal tank, and oil tank top arranges manhole, and the one end on oil tank top arranges oil inlet pipe, and one end of oil tank bottom sets out oil pipe.
Preferably, described oil tank end face is arc surface, and the submarginal position of this end face arranges the recess to tank sunken inside, and described oil inlet pipe and oil outlet pipe are connected in this recess, and oil inlet pipe and oil outlet pipe external end head do not exceed the top of oil tank end face.
Preferably, described oil inlet pipe and oil outlet pipe major part are positioned at recess.
Preferably, described tank surface arrange around oil tank and or the stiffening web arranged along oil tank length direction.
Preferably, described oil tank is connected and composed by both ends and middle part, and both ends and middle part are connected and composed by upper prefabricated component and lower prefabricated component separately respectively; Described connection is the flange hole mechanics flange connection structure arranged by prefabricated component edge.
Advantageous Effects of the present invention:
1, the unsaturated polyester fiber reinforcement Bulk Molding Compound prepared of the present invention can the temperature of resistance to 360 DEG C and-64 DEG C, keeps physicals substantially constant.And there is the advantage of high tenacity and high strength, effectively improve the shock-resistance of unsaturated polyester fiber reinforcement Bulk Molding Compound.
2, adopt specific unsaturated polyester and the specific functional additive such as fire-retardant, reach that plastics height is corrosion-resistant, anti-aging, oil resistant, fire-retardant performance, be applicable to oil tank manufacture.
3, antistatic, good seal performance, realizes zero seepage, absorbs microwave, hidden property is good.
4, anti-hitting power is strong, and meet conventional wartime requirement, can resist 30Mpa blast impulse wave pressure, the material of 7mm thickness is equal to the homogeneous armor of 12mm thickness.
5, not crisp, do not split, at military use and earthquake hotspot use safety, reliably.
6, economical.Compare with the steel oil tank of same capacity, it manufactures cycle time 2/3, and comprehensive cost only accounts for 70%.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is stereographic map of the present invention.
Embodiment
For making those skilled in the art clearly and technical scheme clearly of the present invention, spy provides preferred embodiment below, but technological thought of the present invention is not limited to following examples.
Plastic oil tank shown in composition graphs 1,2, by plastics in a mold mold pressing make prefabricated component, prefabricated component connects and composes horizontal tank, and oil tank top arranges manhole 20, and the one end on oil tank top arranges oil inlet pipe 30, and one end of oil tank bottom sets out oil pipe 40.As a rule, the middle-size and small-size oil tank of a volume within 100 cubes, preferred prefabricated component connection scheme is: oil tank is connected and composed by both ends and middle part, and both ends and middle part are connected and composed by upper prefabricated component and lower prefabricated component separately respectively; Described connection is the flange hole mechanics flange connection structure 50 arranged by prefabricated component edge.
Namely as shown in Figure 1, left, center, right, bottom prefabricated component 11,12,13 connects and composes the halfbody of ship type; Prefabricated component 11`, 12`, 13` position, left, center, right, top and three, bottom prefabricated component 11,12,13 corresponding, and connect and compose whole oil tank.The structure of six prefabricated components makes the surface shape of prefabricated component as far as possible simply regular, is convenient to mold pressing processing; Connection section is evenly distributed simultaneously, easy to connect.Six prefabricated component edges arrange flange hole, then connect adjacent preforms with bolt and form.Easy to connect like this, uniform force, is also convenient to arrange the sealed structures such as gasket.And flange connection 50 plays the effect of structural strengthening.
Preferably, described tank surface arrange around oil tank and or the stiffening web 60 arranged along oil tank length direction.As only illustrated the stiffening web 60 around oil tank in figure.Stiffening web 60 can ensure the structure properties of oil tank further.
Preferably, as shown in Figure 2, described oil tank end face 70 is arc surface, this submarginal position of end face 70 arranges the recess 71 to tank sunken inside, described oil inlet pipe 30 and oil outlet pipe 40 are connected in this recess 71, and oil inlet pipe 30 and oil outlet pipe 40 external end head do not exceed the top 72 of oil tank end face 70.Be more preferably, described oil inlet pipe 30 and oil outlet pipe 40 major part are positioned at recess 71.
The structure of oil inlet pipe 30 and oil outlet pipe 40 is also through particular design, and oil tank end face 70 is the structure that arc surface namely can be regarded as common circular head, and this and existing design class are seemingly.Core is to arrange recess 71, and the object of recess 71 allows the junction of oil pipe directly highlight in tank surface, itself is played the effect strengthened tank structure like this by recess 71.Oil inlet pipe 30, oil outlet pipe 40 can be connected with oil pipeline easily, and now recess 71 protects the connection of oil inlet pipe 30 or oil outlet pipe 40 and oil pipeline, and the support effect of recess 71 edge to oil pipeline avoids stress concentrate to connection section and damage.
Above-mentioned is design improvement to plastic oil tank structural shape.But realize the scheme manufacturing oil tank with plastics, still must material itself be researched and developed and be improved.
Oil resistant of the present invention, fire-retardant, corrosion resistant unsaturated polyester fiber reinforcement Bulk Molding Compound, be made up of following weight part: unsaturated polyester 34 ~ 47 parts, cobalt naphthenate 0.3 ~ 0.4 part, methylethyl ketone peroxide 0.3 ~ 0.35 part, carbonic acid Ca45 ~ 47 part, 0.1 ~ 0.3 part, static inhibitor, 0.1 ~ 0.15 part, oxidation inhibitor, pentabromophenol 0.1 ~ 0.15, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.1 ~ 0.3 part, trimeric cyanamide 0.1 ~ 0.2 part, the silane coupling agent of nano silicon 0.08 ~ 0.1 part and adaptive amount, fortifying fibre 28 ~ 31 parts; Described unsaturated polyester is tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester or Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester or the mixture of the two.
Preferably, described unsaturated polyester is Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester and tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester in the composite mixture of the ratio of 1:5.Described fortifying fibre is the one in the non-twist glass roving of alkali-free, carbon fiber, organic polymeric fiber, ceramic fiber and steel fiber; Described static inhibitor comprise in quaternary ammonium salt, amine salt, phosphoric acid salt, quatemay ammonium inner salt, L-Ala salt one or more.
The preparation method of foregoing plastics, step comprises:
A. nano silicon silane coupling agent is done silicone covering process;
B, the raw material except fortifying fibre is joined in unsaturated polyester, mix with stirrer, obtain unsaturated polyester Bulk Molding Compound resin paste;
C. the resin paste sized reinforcing fibres in kneader will made, fiber is limited to and adds completely within 5min, mediate 10 ~ 20min relief its fully mix;
D. the material group forcing machine having infiltrated fortifying fibre is extruded, pack with polyethylene film, place under normal temperature and within 24 hours, obtain unsaturated polyester fiber reinforcement Bulk Molding Compound.
As for being those skilled in the art by plastics further manufacture parts group according to prior art and enforceable.Then prefabricated component connects and can form oil tank.
The embodiment of several groups of preferred plastics is provided below:
Embodiment one
According to weight ratio formula: tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester 35 parts, cobalt naphthenate 0.3 part, methylethyl ketone peroxide 0.3 part, carbonic acid Ca45 part, static inhibitor: quaternary ammonium salt 0.1 part, antioxidant 1010: 0.1 part, pentabromophenol 0.1, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.2 part, trimeric cyanamide 0.2 part, nano silicon 0.09 part, silane coupling agent 0.005 part;
Preparation process:
Nano silicon silane coupling agent is done silicone covering process;
Raw material is joined in unsaturated polyester, mix with stirrer, obtain unsaturated polyester Bulk Molding Compound resin paste;
The resin paste made is infiltrated in kneader the non-twist glass roving of alkali-free of 28 parts of weight, glass roving adds within 5min, mixes after mediating 15min.
The material group forcing machine having infiltrated glass roving is extruded, packs with polyethylene film, place in environment dry under normal temperature and within 24 hours, obtain unsaturated fiber enhancing Bulk Molding Compound.
Embodiment two
According to weight ratio formula: Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester 45 parts, cobalt naphthenate 0.4 part, methylethyl ketone peroxide 0.35 part, 47 parts, calcium carbonate, static inhibitor: phosphoric acid salt 0.3 part, antioxidant 1076: 0.12 part, pentabromophenol 0.14, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.3 part, trimeric cyanamide 0.1 part, nano silicon 0.08 part, silane coupling agent 0.008 part;
The carbon fiber of 30 parts of weight;
Preparation process is with embodiment one.
Embodiment three
According to weight ratio formula: Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester 7 parts, tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester 35 parts, cobalt naphthenate 0.3 part, methylethyl ketone peroxide 0.32 part, 46 parts, calcium carbonate, static inhibitor: quatemay ammonium inner salt 0.2 part, antioxidant 1076: 0.13 part, pentabromophenol 0.13, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.2 part, trimeric cyanamide 0.1 part, nano silicon 0.1 part, silane coupling agent 0.01 part;
The organic polymeric fiber of 28 parts of weight;
Preparation process is with embodiment one.
Embodiment four
According to weight ratio formula: Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester 7 parts, tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester 35 parts, cobalt naphthenate 0.4 part, methylethyl ketone peroxide 0.3 part, carbonic acid Ca45 part, static inhibitor: L-Ala salt 0.15 part, antioxidant 1076: 0.12 part, pentabromophenol 0.1, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.2 part, trimeric cyanamide 0.1 part, nano silicon 0.1 part, silane coupling agent 0.01 part;
The ceramic fiber of 31 parts of weight;
Preparation process is with embodiment one.
Embodiment five
According to weight ratio formula: Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester 7 parts, tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester 35 parts, cobalt naphthenate 0.35 part, methylethyl ketone peroxide 0.35 part, 47 parts, calcium carbonate, static inhibitor: quaternary ammonium salt 0.1 part, antioxidant 1076: 0.15 part, pentabromophenol 0.15, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.3 part, trimeric cyanamide 0.1 part, nano silicon 0.1, silane coupling agent 0.01 part;
The carbon fiber of 30 parts of weight;
Preparation process is with embodiment one.
Embodiment six
According to weight ratio formula: Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester 7 parts, tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester 35 parts, cobalt naphthenate 0.4 part, methylethyl ketone peroxide 0.35 part, carbonic acid Ca45 part, static inhibitor: phosphoric acid salt 0.3 part, antioxidant 1076: 0.13 part, pentabromophenol 0.12, micro encapsulation three-(2,3-dibromopropyl) chlorinated isocyanurates 0.2 part, trimeric cyanamide 0.12 part, nano silicon 0.1, silane coupling agent 0.01 part of agent;
The organic polymeric fiber of 30 parts of weight;
Preparation process is with embodiment one.
The performance test results of embodiment 1 ~ 6 is as shown in the table:
Table 1 properties of sample test chart
According to test result can find out unsaturated polyester fiber reinforcement Bulk Molding Compound prepared by the present invention can resistance to 360 DEG C of high temperature and-65 DEG C of low temperature indeformable, do not decompose.Shock strength reaches more than 170kJ/ ㎡, and flexural strength reaches more than 190MPa, and tensile strength reaches more than 95MPa, namely has the advantage of high tenacity and high strength, effectively improves the shock-resistance of unsaturated polyester fiber reinforcement Bulk Molding Compound.
Using forestland is tested: because do not have existing method reference, so the experimental program of otherwise designed.Object is the situation corrosion-resistant and aging in a state of use in order to test plastic oil tank.Experimental technique: plastics are immersed in diesel oil, gasoline, 1mol/L sodium hydroxide solution, 1mol/L sulphuric acid soln respectively; Then be placed on-25 DEG C freezing 1 hour, 100 DEG C heating 2 hours, within totally 3 hours, be a complete circulation, carry out 100 circulations altogether and carry out accelerated aging tests.Note diesel oil, the gasoline of discharging volatilization during Heating Experiment, avoid security incident, or adopt the means such as nitrogen protection to guarantee experiment safety; Four kinds of liquid are changed general every day, ensure concentration and stable in properties.Then testing product performance is as shown in table 2:
Properties of sample test chart after table 2 accelerated deterioration
From table 2, plastics of the present invention contact with material or corrosives, simulation using state; Product performance after accelerated test and initial performance do not have considerable change.Prove that plastics physicals of the present invention is superior, high oil resistant, acid-alkali-corrosive-resisting, flame retardant properties are reliable.
Claims (4)
1. an oil resistant, fire-retardant, corrosion resistant unsaturated polyester fiber reinforcement Bulk Molding Compound, it is characterized in that: described plastics are made up of following weight part: unsaturated polyester 34 ~ 47 parts, cobalt naphthenate 0.3 ~ 0.4 part, methylethyl ketone peroxide 0.3 ~ 0.35 part, carbonic acid Ca45 ~ 47 part, 0.1 ~ 0.3 part, static inhibitor, 0.1 ~ 0.15 part, oxidation inhibitor, pentabromophenol 0.1 ~ 0.15, micro encapsulation three-(2, 3-dibromopropyl) chlorinated isocyanurates 0.1 ~ 0.3 part, trimeric cyanamide 0.1 ~ 0.2 part, the silane coupling agent of nano silicon 0.08 ~ 0.1 part and adaptive amount, fortifying fibre 28 ~ 31 parts, described unsaturated polyester is tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester or Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester or the mixture of the two.
2. plastics according to claim 1, is characterized in that: described unsaturated polyester is Tetra hydro Phthalic anhydride-propylene glycol unsaturated polyester and tetrahydronaphthalic anhydride-propylene glycol unsaturated polyester in the composite mixture of the ratio of 1:5.
3. plastics according to claim 1, is characterized in that: described fortifying fibre is the one in the non-twist glass roving of alkali-free, carbon fiber, organic polymeric fiber, ceramic fiber and steel fiber.
4. plastics according to claim 1, is characterized in that: described static inhibitor comprise in quaternary ammonium salt, amine salt, phosphoric acid salt, quatemay ammonium inner salt, L-Ala salt one or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410635100.1A CN104479316B (en) | 2013-04-29 | 2013-04-29 | A kind of oil resistant, corrosion-resistant, fire-retardant BMC plastics |
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| CN201310156434.6A CN103214806B (en) | 2013-04-29 | 2013-04-29 | Anti-corrosion, oil-resistant and flame-retardant plastic oil tank |
| CN201410635100.1A CN104479316B (en) | 2013-04-29 | 2013-04-29 | A kind of oil resistant, corrosion-resistant, fire-retardant BMC plastics |
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| CN201410635100.1A Active CN104479316B (en) | 2013-04-29 | 2013-04-29 | A kind of oil resistant, corrosion-resistant, fire-retardant BMC plastics |
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| CN103214806B (en) * | 2013-04-29 | 2014-12-24 | 昆明普尔顿环保科技股份有限公司 | Anti-corrosion, oil-resistant and flame-retardant plastic oil tank |
| US20170233569A1 (en) * | 2014-08-12 | 2017-08-17 | Ocv Intellectual Capital, Llc | Electrically conductive sheet molding compound |
| JP6275067B2 (en) * | 2015-02-24 | 2018-02-07 | 信越化学工業株式会社 | Pellicle storage container |
| CN104927311A (en) * | 2015-06-26 | 2015-09-23 | 浙江海洋学院 | Portable fuel oil storing and transporting bag |
| CN106586300A (en) * | 2016-07-19 | 2017-04-26 | 北京众信远新能源技术有限公司 | Soft floating roof method for reducing evaporation of liquid fuel storage tank through hollow plastic product |
| CN108003586A (en) * | 2017-12-30 | 2018-05-08 | 定远汇利化工有限公司 | A kind of oil resistant unsaturated polyester resin and preparation method thereof |
| CN109354898A (en) * | 2018-10-29 | 2019-02-19 | 江苏常阳科技有限公司 | A kind of hydrophobic tubular molding compound and preparation method thereof |
| CN111662519A (en) * | 2020-05-25 | 2020-09-15 | 安徽普偌森环保科技有限公司 | Integrated sewage treatment equipment instrument protective cover |
| CN111793278A (en) * | 2020-07-22 | 2020-10-20 | 上海樱花塑料制品有限公司 | Preparation process and formula of corrosion-resistant ton barrel |
| CN113861649A (en) * | 2021-10-20 | 2021-12-31 | 苏州拓凡金属制品有限公司 | Corrosion-resistant plastic and corrosion-resistant distribution box |
| CN114133635A (en) * | 2021-12-09 | 2022-03-04 | 江苏爱唯生物科技有限公司 | Oxidation and corrosion resistant plastic |
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| JPH09194708A (en) * | 1996-01-24 | 1997-07-29 | Sekisui Chem Co Ltd | Production of unsaturated polyester resin composition and unsaturated polyester resin molding |
| KR20060053545A (en) * | 2004-11-17 | 2006-05-22 | 풍천실업 주식회사 | Non flammable bulk molding compound composite |
| CN100412022C (en) * | 2006-12-12 | 2008-08-20 | 武汉理工大学 | Molded fiber reinforced polymer artificial marble and its production method |
| CN101555718A (en) * | 2009-05-18 | 2009-10-14 | 上海新天和树脂有限公司 | Fiber glass reinforced plastics moulded board used for a combined shower room and a preparation method thereof |
| CN102977569A (en) * | 2012-08-22 | 2013-03-20 | 常熟市筑紫机械有限公司 | High fire retardation unsaturated polyester molding compound preparation method |
| CN103059532B (en) * | 2012-12-29 | 2015-06-03 | 昆明普尔顿环保科技股份有限公司 | Plastic pipe machined by using bulk molding compounds |
| CN103214806B (en) * | 2013-04-29 | 2014-12-24 | 昆明普尔顿环保科技股份有限公司 | Anti-corrosion, oil-resistant and flame-retardant plastic oil tank |
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