CN1290923C - Wear-resisting phenol aldehyde moulding compound without dirt-water discharge and its preparing process - Google Patents
Wear-resisting phenol aldehyde moulding compound without dirt-water discharge and its preparing process Download PDFInfo
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- CN1290923C CN1290923C CN 200410025831 CN200410025831A CN1290923C CN 1290923 C CN1290923 C CN 1290923C CN 200410025831 CN200410025831 CN 200410025831 CN 200410025831 A CN200410025831 A CN 200410025831A CN 1290923 C CN1290923 C CN 1290923C
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Abstract
The present invention relates to a preparation method of wear-resistance phenolic moulding plastic without sewage discharge. The present invention is characterized in that (1) wear-resistance phenolic resin without sewage discharge is used as basic raw materials; through added carboxy nitrile rubber toughening agents, grafting reaction occurs in the process of phenolic resin solidification to play the function of internal plasticization, and the carboxy nitrile rubber toughening agents and polyamide in the wear-resistance phenolic resin form two kinds of compound toughening phenolic resin of toughening agents; in the structure, the shock resistance of materials and the bending preventing performance of materials are improved; (2) the addition of mildew inhibitor and coupling agents improves the mold resistance and the interfacial adhesion performance of the wear-resistance phenolic moulding plastic; (3) cotton cloth and cotton fibers are used as reinforcing materials. According to the preparation method provided by the present invention, wear-resistance structural components can be used for preparing wear-resistance structural members, such as pulleys of flight control systems, airborne component parts, guiding ring sealed supporting ring for various oil cylinders, guiding ring sealed supporting rings for missile launching vehicles, corrosion resistance structural members, instruments and meters, electrical members, etc.
Description
Affiliated technical field: the present invention relates to abrasion-resistant moulded bakelite of a kind of without sewage discharge and preparation method thereof.Adopting wear-resisting resol, toughner, mould inhibitor, coupling agent, cotton (cotton fibre), the solvent of without sewage discharge is raw material, prepares by series of steps.
Background technology: at present, seal supporting cup, missile launching automobile-used guide ring sealing supporting cup etc. with pulley structure spare, various oil cylinder with guide ring in flight control system and require the field that material mechanical performance is good, wear resistance is good, ubiquity product manufacturability is poor, problem big for environment pollution, that product percent of pass is low.
In order to address the above problem, we are on the basis of the wear-resisting resol of preparation without sewage discharge, adopting cotton (cotton fibre) is strongthener, take all factors into consideration its every mechanical property and wear resistance, obtained a kind of without sewage discharge, good mechanical performance, wear resistance be good, the product good manufacturability, abrasion-resistant moulded bakelite that qualification rate is high and preparation method thereof.
Summary of the invention: for avoiding the defective of conventional art, it is basic raw material that the present invention has adopted a kind of wear-resisting resol of without sewage discharge, make resol generation graft reaction when solidifying play internally plasticized effect by adding carboxy nitrile rubber toughner, and the polymeric amide in carboxy nitrile rubber and the wear-resisting resol forms two kinds of toughner composite toughening resol, such structure had both helped improving the shock resistance of material, helped improving the bending resistance of material again; Adopting cotton, cotton fibre is strongthener, preparation method by the abrasion-resistant moulded bakelite of without sewage discharge provided by the invention can be used for preparing abrasion-proof structure, is used to prepare flight control system pulley, airborne part, various oil cylinder and seals supporting cup, the automobile-used guide ring sealing of missile launching supporting cup, corrosion-resistant structural part, instrument and electric component etc. with guide ring.
The invention is characterized in: the component of moulding compound is: wear-resisting resol 100 mass parts of without sewage discharge, toughner 10～20 mass parts, mould inhibitor 3～5 mass parts, coupling agent 3～5 mass parts, cotton (cotton fibre) 60～65 mass parts, solvent 300 mass parts.
Toughner is carboxy nitrile rubber.
Mould inhibitor is a sodium pentachlorophenate.
Coupling agent is a silane coupling agent.
Solvent is an ethanol.
A kind of preparation method who realizes above-mentioned without sewage discharge abrasion-resistant moulded bakelite is characterized in that: make by following steps:
A: the wear-resisting resol device of without sewage discharge is being had agitator, in the reactor of reflux exchanger;
B: under agitation condition, add toughner;
C: under agitation condition, add mould inhibitor, coupling agent;
D: in reactor, add solvent, make the resin dilution;
E: with the even solvent impregnated resin of cotton (directed cotton fibre);
F: the dipping former plastics are dried, make moisture content and fugitive constituent;
G: on dicing machine with the pelletizing of dipping former plastics;
H: charging and preheating in mould, preheating temperature is 90 ± 5 ℃, the time is 15min;
I: compression molding, 150 ± 5 ℃ of molding temperatures, molding pressure 20～40MPa, press time 1～3min/mm.
Described the dipping former plastics are dried, the content that makes moisture content and fugitive constituent is 2～5%.
Described on dicing machine with the size of dipping former plastics pelletizing at 8～20mm.
The characteristics of abrasion-resistant moulded bakelite of the present invention's development and preparation method thereof are: it is basic raw material that (1) the present invention has adopted a kind of wear-resisting resol of without sewage discharge, make resol generation graft reaction when solidifying play internally plasticized effect by adding carboxy nitrile rubber toughner, and the polymeric amide in carboxy nitrile rubber toughner and the wear-resisting resol forms two kinds of toughner composite toughening resol, such structure had both helped improving the shock resistance of material, helped improving the bending resistance of material again; (2) add mildew resistance and the interface adhesion that mould inhibitor and coupling agent improve abrasion-resistant moulded bakelite; (3) adopting cotton, cotton fibre is strongthener, can be used for making the structural part of various wear-resisting, good mechanical performance by the preparation method of abrasion-resistant moulded bakelite provided by the invention, this invention can be applicable to production flight control system pulley, airborne part, various oil cylinder and seals supporting cup, the automobile-used guide ring sealing of missile launching supporting cup, corrosion-resistant structural part, instrument and electric component etc. with guide ring.The abrasion-resistant moulded bakelite of without sewage discharge and with the pulley performance of its preparation referring to table 1, table 2.
Description of drawings:
Fig. 1: embodiment synoptic diagram.
Embodiment:
Now 1 couple of the present invention is further described in conjunction with the accompanying drawings:
Umber among the embodiment 1:(embodiment is weight part)
A: the wear-resisting resol device of without sewage discharge is being had agitator, in the reactor of reflux exchanger;
B: under agitation condition, add 10 parts of toughner;
C: under agitation condition, add 3 parts of mould inhibitors, 4 parts of coupling agents;
D: in reactor, add 300 parts of solvents, make the resin dilution;
E: with the even solvent impregnated resin of cotton;
F: the dipping former plastics are dried, and making moisture content and volatile content is 2～5%;
G: with the pelletizing of dipping former plastics, its size is about 8mm on dicing machine;
H: charging and preheating in mould, preheating temperature is 90 ± 5 ℃, the time is 15min;
I: compression molding, 150 ± 5 ℃ of molding temperatures, molding pressure 30MPa, press time 1～3min/mm.
Embodiment 2:
A: the wear-resisting resol device of without sewage discharge is being had agitator, in the reactor of reflux exchanger;
B: under agitation condition, add 20 parts of toughner;
C: under agitation condition, add 3 parts of mould inhibitors, 5 parts of coupling agents;
D: in reactor, add 300 parts of solvents, make the resin dilution;
E: with the even solvent impregnated resin of directed cotton fibre;
F: the dipping former plastics are dried, and making moisture content and volatile content is 2～5%;
G: with the pelletizing of dipping former plastics, its size is about 20mm on dicing machine;
H: charging and preheating in mould, preheating temperature is 90 ± 5 ℃, the time is 15min;
I: compression molding, 150 ± 5 ℃ of molding temperatures, molding pressure 20MPa, press time 1～3min/mm.
The wear-resisting phenoplast of table 1 without sewage discharge compare (cotton enhancing) with domestic and international similar advanced material performance
The comparison of table 2 pulley performance test value and external advanced Russia standard value (cotton fibre enhancing)
Claims (8)
1, a kind of without sewage discharge abrasion-resistant moulded bakelite, it is characterized in that: the component of moulding compound is: wear-resisting resol 100 mass parts of without sewage discharge, toughner 10～20 mass parts, mould inhibitor 3～5 mass parts, coupling agent 3～5 mass parts, cotton or cotton fibre 60～65 mass parts, solvent 300 mass parts.
2, without sewage discharge abrasion-resistant moulded bakelite according to claim 1 is characterized in that: toughner is carboxy nitrile rubber.
3, without sewage discharge abrasion-resistant moulded bakelite according to claim 1 is characterized in that: mould inhibitor is a sodium pentachlorophenate.
4, without sewage discharge abrasion-resistant moulded bakelite according to claim 1 is characterized in that: coupling agent is a silane coupling agent.
5, without sewage discharge abrasion-resistant moulded bakelite according to claim 1 is characterized in that: solvent is an ethanol.
6, a kind of preparation method who realizes the described without sewage discharge abrasion-resistant moulded bakelite of claim 1 is characterized in that:
A: the wear-resisting resol device of without sewage discharge is being had agitator, in the reactor of reflux exchanger;
B: under agitation condition, add toughner;
C: under agitation condition, add mould inhibitor, coupling agent;
D: in reactor, add solvent, make the resin dilution;
E: with cotton or the even solvent impregnated resin of directed cotton fibre;
F: the dipping former plastics are dried, make moisture content and fugitive constituent;
G: on dicing machine with the pelletizing of dipping former plastics;
H: charging and preheating in mould, preheating temperature is 90 ± 5 ℃, the time is 15min;
I: compression molding, 150 ± 5 ℃ of molding temperatures, molding pressure 20～40MPa, press time 1～3min/mm.
7, preparation method according to claim 6 is characterized in that: described the dipping former plastics are dried, the content that makes moisture content and fugitive constituent is 2～5%.
8, preparation method according to claim 6 is characterized in that: described on dicing machine with the size of dipping former plastics pelletizing at 8～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025831 CN1290923C (en) | 2004-01-16 | 2004-01-16 | Wear-resisting phenol aldehyde moulding compound without dirt-water discharge and its preparing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025831 CN1290923C (en) | 2004-01-16 | 2004-01-16 | Wear-resisting phenol aldehyde moulding compound without dirt-water discharge and its preparing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1640930A CN1640930A (en) | 2005-07-20 |
| CN1290923C true CN1290923C (en) | 2006-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410025831 Expired - Fee Related CN1290923C (en) | 2004-01-16 | 2004-01-16 | Wear-resisting phenol aldehyde moulding compound without dirt-water discharge and its preparing process |
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| CN (1) | CN1290923C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985821B (en) * | 2010-08-26 | 2012-08-22 | 浙江理工大学 | Method for preparing toughened waterproof molded fiber product |
| CN102417692B (en) * | 2011-11-08 | 2012-11-14 | 桂林电器科学研究院 | Cotton fiber reinforced injection type phenolic molding compound and preparation method thereof |
| CN102775723B (en) * | 2012-06-07 | 2014-09-10 | 广西信和新合成材料有限公司 | Phenolic aldehyde moulding compound with high flexural strength |
| CN103289304A (en) * | 2013-05-09 | 2013-09-11 | 常熟市亚美模特儿衣架有限公司 | Halogen-free environmentally-friendly phenolic moulding plastic |
| CN103319846A (en) * | 2013-05-09 | 2013-09-25 | 常熟市亚美模特儿衣架有限公司 | Halogen-free environmental-protection phenol formaldehyde molding compound preparation method |
| CN105860424B (en) * | 2016-04-27 | 2018-03-23 | 宁波安力电子材料有限公司 | A kind of granular phenolaldehyde moulding compound of rule and preparation method thereof |
| CN110343360A (en) * | 2019-07-12 | 2019-10-18 | 镇江市全佑绝缘材料有限公司 | A kind of black support ring for hydraulic cylinder supporting sealing member |
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- 2004-01-16 CN CN 200410025831 patent/CN1290923C/en not_active Expired - Fee Related
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| CN1640930A (en) | 2005-07-20 |
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Granted publication date: 20061220 Termination date: 20140116 |