CN101081927A - Glass micro-bead filling modified mould nylon plate and preparation method thereof - Google Patents
Glass micro-bead filling modified mould nylon plate and preparation method thereof Download PDFInfo
- Publication number
- CN101081927A CN101081927A CN 200710055847 CN200710055847A CN101081927A CN 101081927 A CN101081927 A CN 101081927A CN 200710055847 CN200710055847 CN 200710055847 CN 200710055847 A CN200710055847 A CN 200710055847A CN 101081927 A CN101081927 A CN 101081927A
- Authority
- CN
- China
- Prior art keywords
- reactor
- glass
- nylon plate
- minutes
- glass microballon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to glass bead stuffing modified cast nylon plate and its production process, and belongs to the field of material science. The enhanced cast nylon plate is produced with the material comprising caprolactam as base component, hollow glass bead as the enhancing component, stearate as the dispersant, main antioxidant, auxiliary antioxidant, stabilizer, sodium methoxide as the catalyst and toluene diisocyanate as the co-catalyst in certain weight proportion, and through a molding and sintering process. The enhanced cast nylon plate has high comprehensive mechanical performance and physical performance.
Description
Technical field
The present invention relates to a kind of hollow glass micropearl filling modified mould nylon plate and preparation method thereof, belong to material science.
Technical background
Monomer cast nylon is a kind of engineering plastics of excellent property, it has characteristics such as polymerization temperature is low, technology is simple, degree of crystallinity is high, molecular weight is big, good mechanical performance, damping and silencing, grease resistance, resistance to chemical attack, but at metallic substance such as some occasion Alloy instead of Copper, aluminium, steel.But the monomer cast nylon of non-modified exists in actual applications, and flexural strength, resistance to impact shock and ultimate compression strength are on the low side, wear resistance and self lubricity are not good enough, and wear rate is big, the not high shortcoming of dimensional stability, has limited the widespread use of monomer cast nylon goods.
Therefore, invent a kind of method of modifying that overcomes the above-mentioned defective of monomer cast nylon, improve monomer cast nylon machinery, physics and mechanical property, it is very necessary enlarging its range of application.
Summary of the invention
The objective of the invention is to overcome monomer cast nylon and have all shortcomings, a kind of glass micro-bead filling modified mould nylon plate and preparation method thereof is provided.
Above-mentioned purpose of the present invention is achieved in that
A kind of glass micro-bead filling modified mould nylon plate, its each component hexanolactam: glass microballon: dispersion agent: primary antioxidant: auxiliary antioxidant: stablizer: catalyzer: it is 1: 0.2 that the mass ratio of promotor closes: (0.001～0.01): (0.002～0.005): (0.002～0.005): (0.002～0.005): (0.002～0.003): (0.002～0.003).
Said glass microballon is a hollow minute particle, and shell contains rare gas elementes such as nitrogen and carbonic acid gas, and granularity is 200～400 orders.
A kind of preparation method who is used for glass micro-bead filling modified mould nylon plate, with the hexanolactam is basic raw material, with the glass microballon is to strengthen high-abrasive material, add sodium methoxide catalyst and tolylene diisocyanate (TDI) promotor, adopt the molding sintering forming method to make the enhancing mould nylon plate, concrete technology is as follows:
1) carries out surface modification treatment by above-mentioned each required component of glass micro-bead filling modified mould nylon plate quality proportioning configuration, and to glass microballon;
2) hollow glass micropearl after hexanolactam and the modification is joined in the reactor, heating and melting, when temperature reaches 100 ℃ of left and right sides, the decompression of unlatching vacuum pump, vacuum tightness should reach about 1.01MPa, and at 120～130 ℃ of 10～15min that dewater down, solution is in boiling state, close vacuum pump, stop to vacuumize;
3) open reactor cap, the catalyzer methyl alcohol that adds the regulation proportioning is received, continuing heating makes reactor temperature keep 130～140 ℃, and the unlatching vacuum pump vacuumizes, vacuum tightness should reach about 1.01MPa, and the mixture boiling continues about 20 minutes, reactor temperature reaches 140～150 ℃, stops to vacuumize;
4) dispersion agent, primary antioxidant, auxiliary antioxidant, stablizer etc. are joined in the reactor, mix stirring with hexanolactam, hollow glass micropearl and sodium methylate, and continue to bleed as stated above, reduce pressure, dewater, continue 20 minutes, reactor temperature reaches 150～155 ℃, and vacuum tightness reaches about 1.01MPa, the mixture boiling, continue about 20 minutes, close vacuum pump, stop to vacuumize;
5) open reactor cap, under normal pressure, add cocatalyst toluene diisocyanate in the reactor immediately, stir rapidly, and be poured into immediately in the mould that has been heated in advance 170～180 ℃, matched moulds is forced into 0.5～40MPa, is heated to 190～230 ℃, keeps temperature polymerization 25～30 minutes, stops to heat pouring furnace, when treating that temperature cools to the furnace below 60 ℃, the demoulding.
Saidly be: be mixed and made into properties-correcting agent in 1: 40 by volume with silane coupling agent KH550 and alcohol solvent to the glass microballon processing technology for surface modification; the proportioning of glass microballon, silane coupling agent and alcohol solvent is 100g: 1mL: 40mL; glass microballon with specified amount adds in the high-speed mixer earlier; properties-correcting agent with the regulation proportioning divides slow the adding in the mixing machine 2～3 times then; make itself and glass microballon high-speed mixing more than 30 minutes; shut down blowing; drying is 1 hour in 120 ℃ stoving oven, and is standby.
Mould nylon plate provided by the present invention has favorable mechanical physicals and mechanical property (seeing the following form), has higher resistance to impact shock and ultimate compression strength, good self-lubricating property and wear resistance, good thermotolerance and dimensional stability, and has a favorable mechanical processing characteristics, enlarged its range of application widely, can be applied even more extensively, replaced sheet metals such as iron, steel widely in mechanical field.
Embodiment
Embodiment 1:
(1) the 20g hollow glass micropearl is carried out surface modification.During processing; glass microballon: silane coupling agent: the proportioning of alcohol solvent (95%) is 100g: 1mL: 40mL; glass microballon with specified amount adds in the high-speed mixer earlier; properties-correcting agent with the regulation proportioning divides slow the adding in the mixing machine 2～3 times then; make itself and glass microballon high-speed mixing more than 30 minutes; shut down blowing, drying is 1 hour in 120 ℃ stoving oven, and is standby.
(2) hollow glass micropearl after 100g hexanolactam and the modification is joined in the reactor, heating and melting, when temperature reaches 100 ℃ of left and right sides, the decompression of unlatching vacuum pump, vacuum tightness should reach about 1.01MPa, dewaters 10～15 minutes down at 120～130 ℃, and solution is in boiling state, close vacuum pump, stop to vacuumize.
(3) open reactor cap, add 0.25g catalyzer sodium methylate, continuing heating makes reactor temperature keep 130～140 ℃, and open vacuum pump and vacuumize, vacuum tightness should reach about 1.01MPa, and mixture seethes with excitement, continue about 20 minutes, reactor temperature reaches 140～150 ℃, closes vacuum pump, stops to vacuumize.
(4) with dispersion agent 0.5g, primary antioxidant 0.35g, auxiliary antioxidant 0.35g, stablizer 0.35g, join in the reactor, mix stirring with hexanolactam, hollow glass micropearl and sodium methylate, and continue to bleed as stated above, reduce pressure, dewater, continue 20 minutes, reactor temperature reaches 150～155 ℃, vacuum tightness reaches about 1.01MPa, and the mixture boiling continues about 20 minutes, close vacuum pump, stop to vacuumize.
(5) open reactor cap, under normal pressure, add cocatalyst toluene diisocyanate 0.25g in the reactor immediately, stir rapidly, and be poured into immediately in the mould that has been heated in advance 170～180 ℃, (pressure 0.5～40MPa), heating (190～230 ℃) keep temperature polymerization 25～30 minutes, stop to heat pouring furnace in the matched moulds pressurization, when treating that temperature cools to the furnace below 60 ℃, the demoulding makes modified cast mylon.
Embodiment 2:
(1) the 20g hollow glass micropearl is carried out surface modification.During processing; glass microballon: silane coupling agent: the proportioning of alcohol solvent (95%) is 100g: 1mL: 40mL; glass microballon with specified amount adds in the high-speed mixer earlier; properties-correcting agent with the regulation proportioning divides slow the adding in the mixing machine 2～3 times then; make itself and glass microballon high-speed mixing more than 30 minutes; shut down blowing, drying is 1 hour in 120 ℃ stoving oven, and is standby.
(2) hollow glass micropearl after 100g hexanolactam and the modification is joined in the reactor, heating and melting, when temperature reaches 100 ℃ of left and right sides, the decompression of unlatching vacuum pump, vacuum tightness should reach about 1.01MPa, dewaters 10～15 minutes down at 120～130 ℃, and solution is in boiling state, close vacuum pump, stop to vacuumize.
(3) open reactor cap, add 0.2g catalyzer sodium methylate, continuing heating makes reactor temperature keep 130～140 ℃, and open vacuum pump and vacuumize, vacuum tightness should reach about 1.01MPa, and mixture seethes with excitement, continue about 20 minutes, reactor temperature reaches 140～150 ℃, closes vacuum pump, stops to vacuumize.
(4) with dispersion agent 0.1g, primary antioxidant 0.2g, auxiliary antioxidant 0.2g, stablizer 0.2g, join in the reactor, mix stirring with hexanolactam, hollow glass micropearl and sodium methylate, and continue to bleed as stated above, reduce pressure, dewater, continue 20 minutes, reactor temperature reaches 150～155 ℃, vacuum tightness reaches 1.01MPa, and the mixture boiling continues about 20 minutes, close vacuum pump, stop to vacuumize.
(5) open reactor cap, under normal pressure, add cocatalyst toluene diisocyanate 0.2g in the reactor immediately, stir rapidly, and be poured into immediately in the mould that has been heated in advance 170～180 ℃, (pressure 0.5～40MPa), heating (190～230 ℃) keep temperature polymerization 25～30 minutes, stop to heat pouring furnace in the matched moulds pressurization, when treating that temperature cools to the furnace below 60 ℃, the demoulding makes modified cast mylon.
Embodiment 3:
(1) the 20g hollow glass micropearl is carried out surface modification.During processing; glass microballon: silane coupling agent: the proportioning of alcohol solvent (95%) is 100g: 1mL: 40mL; glass microballon with specified amount adds in the high-speed mixer earlier; properties-correcting agent with the regulation proportioning divides slow the adding in the mixing machine 2～3 times then; make itself and glass microballon high-speed mixing more than 30 minutes; shut down blowing, drying is 1 hour in 120 ℃ stoving oven, and is standby.
(2) hollow glass micropearl after 100g hexanolactam and the modification is joined in the reactor, heating and melting, when temperature reaches 100 ℃ of left and right sides, the decompression of unlatching vacuum pump, vacuum tightness should reach about 1.01MPa, dewaters 10～15 minutes down at 120～130 ℃, and solution is in boiling state, close vacuum pump, stop to vacuumize.
(3) open reactor cap, add 0.3g catalyzer sodium methylate, continuing heating makes reactor temperature keep 130～140 ℃, and open vacuum pump and vacuumize, vacuum tightness should reach about 1.01MPa, and mixture seethes with excitement, continue about 20 minutes, reactor temperature reaches 140～150 ℃, closes vacuum pump, stops to vacuumize.
(4) with dispersion agent 1g, primary antioxidant 0.5g, auxiliary antioxidant 0.5g, stablizer 0.5g, join in the reactor, mix stirring with hexanolactam, hollow glass micropearl and sodium methylate, and continue to bleed as stated above, reduce pressure, dewater, continue 20 minutes, reactor temperature reaches 150～155 ℃, vacuum tightness reaches about 1.01MPa, and the mixture boiling continues about 20 minutes, close vacuum pump, stop to vacuumize.
(5) open reactor cap, under normal pressure, add cocatalyst toluene diisocyanate 0.3g in the reactor immediately, stir rapidly, and be poured into immediately in the mould that has been heated in advance 170～180 ℃, (pressure 0.5～40MPa), heating (190～230 ℃) keep temperature polymerization 25～30 minutes, stop to heat pouring furnace in the matched moulds pressurization, when treating that temperature cools to the furnace below 60 ℃, the demoulding makes modified cast mylon.
Mould nylon plate provided by the present invention has favorable mechanical physicals and mechanical property (seeing the following form), has higher resistance to impact shock and ultimate compression strength, good self-lubricating property and wear resistance, good thermotolerance and dimensional stability, and has a favorable mechanical processing characteristics, enlarged its range of application widely, can be applied even more extensively, replaced sheet metals such as iron, steel widely in mechanical field.
Strengthen monomer cast nylon performance table (nylon/glass microballon (400 order)=100/20)
| Tensile strength MPa | Flexural strength MPa | Notched Izod impact strength kJ/m2 | Compressive strength MPa | Heat-drawn wire ℃ | Shrinking percentage % | Mohs' hardness |
| 158 | 163 | 83 | 222 | 171 | 0.60 | 28 |
Claims (4)
1, a kind of glass micro-bead filling modified mould nylon plate is characterized in that each component hexanolactam: glass microballon: dispersion agent: primary antioxidant: auxiliary antioxidant: stablizer: catalyzer: it is 1: 0.2 that the mass ratio of promotor closes: (0.001～0.01): (0.002～0.005): (0.002～0.005): (0.002～0.005): (0.002～0.003): (0.002～0.003).
2, glass micro-bead filling modified mould nylon plate according to claim 1 is characterized in that said glass microballon is a hollow minute particle, and shell contains rare gas elementes such as nitrogen and carbonic acid gas, and granularity is 200～400 orders.
3, a kind of preparation method who is used for glass micro-bead filling modified mould nylon plate, it is characterized in that with the hexanolactam being basic raw material, with the glass microballon is to strengthen high-abrasive material, add sodium methoxide catalyst and toluene diisocynate vinegar (TDI) promotor, adopt the molding sintering forming method to make the enhancing mould nylon plate, concrete technology is as follows:
1) the quality proportioning by claim 1 disposes each required component, and glass microballon is carried out surface modification treatment;
2) hollow glass micropearl after hexanolactam and the modification is joined in the reactor, heating and melting, when temperature reaches 100 ℃ of left and right sides, the decompression of unlatching vacuum pump, vacuum tightness should reach about 1.01MPa, and at 120～130 ℃ of 10～15min that dewater down, solution is in boiling state, close vacuum pump, stop to vacuumize;
3) open reactor cap, the catalyzer sodium methylate that adds the regulation proportioning, continuing heating makes reactor temperature keep 130～140 ℃, and the unlatching vacuum pump vacuumizes, vacuum tightness should reach about 1.01MPa, and the mixture boiling continues about 20 minutes, reactor temperature reaches 140～150 ℃, stops to vacuumize;
4) dispersion agent, primary antioxidant, auxiliary antioxidant, stablizer etc. are joined in the reactor, mix stirring with hexanolactam, hollow glass micropearl and sodium methylate, and continue to bleed as stated above, reduce pressure, dewater, continue about 20 minutes, reactor temperature reaches 150～155 ℃, and vacuum tightness reaches about 1.01MPa, the mixture boiling, continue about 20 minutes, close vacuum pump;
5) open reactor cap, under normal pressure, add cocatalyst toluene diisocyanate in the reactor immediately, stir rapidly, and be poured into immediately in the mould that has been heated in advance 170～180 ℃, matched moulds is forced into 0.5～40MPa, is heated to 190～230 ℃, keeps temperature polymerization 25～30 minutes, stops to heat pouring furnace, when treating that temperature cools to the furnace below 60 ℃, the demoulding.
4; the preparation method who is used for glass micro-bead filling modified mould nylon plate according to claim 3; it is characterized in that saidly being: be mixed and made into properties-correcting agent in 1: 40 by volume with silane coupling agent KH550 and alcohol solvent to the glass microballon processing technology for surface modification; glass microballon; the proportioning of silane coupling agent and alcohol solvent is 100g: 1mL: 40mL; glass microballon with specified amount adds in the high-speed mixer earlier; properties-correcting agent with the regulation proportioning divides slow the adding in the mixing machine 2～3 times then; make itself and glass microballon high-speed mixing more than 30 minutes; shut down blowing; drying is 1 hour in 120 ℃ stoving oven, and is standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710055847 CN101081927A (en) | 2007-07-05 | 2007-07-05 | Glass micro-bead filling modified mould nylon plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710055847 CN101081927A (en) | 2007-07-05 | 2007-07-05 | Glass micro-bead filling modified mould nylon plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101081927A true CN101081927A (en) | 2007-12-05 |
Family
ID=38911721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710055847 Pending CN101081927A (en) | 2007-07-05 | 2007-07-05 | Glass micro-bead filling modified mould nylon plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101081927A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614220B (en) * | 2009-07-15 | 2011-01-12 | 重庆市泰伯铸型尼龙有限责任公司 | High-strength nylon formula for blower impeller and preparation method thereof |
| CN102694259A (en) * | 2012-05-02 | 2012-09-26 | 深圳光启创新技术有限公司 | Glass fiber reinforced plastic radome and preparation method thereof |
| CN102694258A (en) * | 2012-05-02 | 2012-09-26 | 深圳光启创新技术有限公司 | Glass fiber reinforced plastic radome and preparation method thereof |
| CN102757556A (en) * | 2011-04-27 | 2012-10-31 | 合肥杰事杰新材料股份有限公司 | Nanodiamond powder-filled nylon composite material and preparation method thereof |
| CN103012775A (en) * | 2012-12-03 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | Cast nylon 6 composite and preparation method thereof |
| CN103232595A (en) * | 2012-04-16 | 2013-08-07 | 齐齐哈尔北坤合成高分子材料有限公司 | Modified MC nylon |
| CN103709736A (en) * | 2013-11-14 | 2014-04-09 | 四川大学 | Preparation method of reactive hindered-phenol in-situ stable nylon |
| CN103834005A (en) * | 2012-11-27 | 2014-06-04 | 上海特种电线电缆（集团）启东有限公司 | Method for preparing high-performance plastic cable bridge rack |
| CN103965465A (en) * | 2013-01-29 | 2014-08-06 | 合肥杰事杰新材料股份有限公司 | Casting nylon 6 nanometer composite material and preparation method thereof |
| CN103965617A (en) * | 2013-01-29 | 2014-08-06 | 合肥杰事杰新材料股份有限公司 | Nylon nanometer composite material and preparing method thereof |
| CN104974512A (en) * | 2015-07-18 | 2015-10-14 | 乐清市国海传动设备有限公司 | Anion polymerized nylon roller and manufacturing method thereof |
| CN105441162A (en) * | 2015-12-07 | 2016-03-30 | 深圳市鑫昌龙新材料科技股份有限公司 | Optical cable filling paste and preparation method thereof |
| CN106188533A (en) * | 2016-07-07 | 2016-12-07 | 株洲时代新材料科技股份有限公司 | A kind of modified cast mylon and preparation method thereof |
| CN109054371A (en) * | 2018-07-17 | 2018-12-21 | 赵守彬 | A kind of ageing-resistant stretchy nylon material and preparation method thereof |
| CN111848949A (en) * | 2020-07-30 | 2020-10-30 | 吴光辉 | Reinforced nylon plate based on silicon-aluminum-based hollow microspheres and preparation process thereof |
| CN113045748A (en) * | 2019-12-28 | 2021-06-29 | 合肥杰事杰新材料股份有限公司 | Modified hollow glass microsphere, cast nylon 6 composition containing modified hollow glass microsphere and preparation method thereof |
-
2007
- 2007-07-05 CN CN 200710055847 patent/CN101081927A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614220B (en) * | 2009-07-15 | 2011-01-12 | 重庆市泰伯铸型尼龙有限责任公司 | High-strength nylon formula for blower impeller and preparation method thereof |
| CN102757556A (en) * | 2011-04-27 | 2012-10-31 | 合肥杰事杰新材料股份有限公司 | Nanodiamond powder-filled nylon composite material and preparation method thereof |
| CN102757556B (en) * | 2011-04-27 | 2015-03-04 | 合肥杰事杰新材料股份有限公司 | Nanodiamond powder-filled nylon composite material and preparation method thereof |
| CN103232595A (en) * | 2012-04-16 | 2013-08-07 | 齐齐哈尔北坤合成高分子材料有限公司 | Modified MC nylon |
| CN102694259A (en) * | 2012-05-02 | 2012-09-26 | 深圳光启创新技术有限公司 | Glass fiber reinforced plastic radome and preparation method thereof |
| CN102694258A (en) * | 2012-05-02 | 2012-09-26 | 深圳光启创新技术有限公司 | Glass fiber reinforced plastic radome and preparation method thereof |
| CN103834005A (en) * | 2012-11-27 | 2014-06-04 | 上海特种电线电缆（集团）启东有限公司 | Method for preparing high-performance plastic cable bridge rack |
| CN103012775A (en) * | 2012-12-03 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | Cast nylon 6 composite and preparation method thereof |
| CN103965465B (en) * | 2013-01-29 | 2018-01-12 | 合肥杰事杰新材料股份有限公司 | A kind of nano composite material of nylon monomer-cast nylon 6 and preparation method thereof |
| CN103965617A (en) * | 2013-01-29 | 2014-08-06 | 合肥杰事杰新材料股份有限公司 | Nylon nanometer composite material and preparing method thereof |
| CN103965465A (en) * | 2013-01-29 | 2014-08-06 | 合肥杰事杰新材料股份有限公司 | Casting nylon 6 nanometer composite material and preparation method thereof |
| CN103709736B (en) * | 2013-11-14 | 2015-12-09 | 四川大学 | A kind of reactive hindered phenol original position stablizes the preparation method of nylon |
| CN103709736A (en) * | 2013-11-14 | 2014-04-09 | 四川大学 | Preparation method of reactive hindered-phenol in-situ stable nylon |
| CN104974512A (en) * | 2015-07-18 | 2015-10-14 | 乐清市国海传动设备有限公司 | Anion polymerized nylon roller and manufacturing method thereof |
| CN104974512B (en) * | 2015-07-18 | 2017-12-08 | 乐清市国海传动设备有限公司 | The nylon carrying roller and its manufacture method of a kind of anionic polymerisation |
| CN105441162A (en) * | 2015-12-07 | 2016-03-30 | 深圳市鑫昌龙新材料科技股份有限公司 | Optical cable filling paste and preparation method thereof |
| CN106188533A (en) * | 2016-07-07 | 2016-12-07 | 株洲时代新材料科技股份有限公司 | A kind of modified cast mylon and preparation method thereof |
| CN109054371A (en) * | 2018-07-17 | 2018-12-21 | 赵守彬 | A kind of ageing-resistant stretchy nylon material and preparation method thereof |
| CN113045748A (en) * | 2019-12-28 | 2021-06-29 | 合肥杰事杰新材料股份有限公司 | Modified hollow glass microsphere, cast nylon 6 composition containing modified hollow glass microsphere and preparation method thereof |
| CN113045748B (en) * | 2019-12-28 | 2022-10-28 | 合肥杰事杰新材料股份有限公司 | Modified hollow glass microsphere, cast nylon 6 composition containing modified hollow glass microsphere and preparation method thereof |
| CN111848949A (en) * | 2020-07-30 | 2020-10-30 | 吴光辉 | Reinforced nylon plate based on silicon-aluminum-based hollow microspheres and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101081927A (en) | Glass micro-bead filling modified mould nylon plate and preparation method thereof | |
| CN101525433B (en) | Fiber-reinforced modified-reaction injection-molding nylon sheet and preparation method thereof | |
| CN106749838B (en) | Preparation method of wave-absorbing polymethacrylimide foam plastic | |
| CN105111675B (en) | A kind of calcium carbonate crystal whisker reinforced resin-Rubber base friction material and preparation method thereof | |
| CN102443214B (en) | Preparation method for high foaming ratio polyethylene foaming material | |
| CN102153743A (en) | Preparation method of self-lubricating and high-strength pouring nylon | |
| CN101260208B (en) | Anti-erosion material used for water turbine overflowing component | |
| CN101439405A (en) | Magnesium-based composite material and method for forming magnesium-based composite material parts | |
| CN101392096A (en) | Cold-proof, impactive and high toughness casting nylon and method for producing the same | |
| CN103570937B (en) | Phenolic resin/MC nylon composite material, and preparation method thereof | |
| CN101121787B (en) | Modified mould nylon | |
| CN102875878A (en) | Wear-resistant and corrosion-resistant composite material | |
| CN115716734B (en) | Anti-cracking corrosion-resistant ultra-high-performance concrete with thixotropic property and preparation method thereof | |
| CN108774380B (en) | Preparation method of additive type flame retardant for resin-based composite material | |
| CN111286019A (en) | Preparation method of high-bonding-force rigid polyether polyol for foaming | |
| CN101177474B (en) | Polyurethane rigid foam resin for buildings | |
| CN107915990B (en) | Lightweight foamed casting nylon material and preparation method and application thereof | |
| CN114409987A (en) | High-temperature-resistant ultrahigh molecular weight polyethylene composite pipe and preparation method thereof | |
| CN112143944B (en) | Preparation method of graphene-modified silicon-aluminum composite material | |
| CN109852049B (en) | Cast nylon/polymer microsphere composite material and preparation method and application thereof | |
| CN101077927A (en) | Mould nylon filled of grammite powder and preparation method thereof | |
| CN109437668B (en) | Production process of artificial quartz stone | |
| CN103012775A (en) | Cast nylon 6 composite and preparation method thereof | |
| CN115873566A (en) | Bridging plugging material for drilling fluid and preparation method thereof | |
| CN111620671A (en) | Red mud-based water permeable brick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |