CN102391503A - Preparation method for composite material of cast nylon/attapulgite clay - Google Patents
Preparation method for composite material of cast nylon/attapulgite clay Download PDFInfo
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- CN102391503A CN102391503A CN201110316827XA CN201110316827A CN102391503A CN 102391503 A CN102391503 A CN 102391503A CN 201110316827X A CN201110316827X A CN 201110316827XA CN 201110316827 A CN201110316827 A CN 201110316827A CN 102391503 A CN102391503 A CN 102391503A
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Abstract
The invention discloses a preparation method for a composite material of cast nylon/attapulgite clay. The preparation method includes the steps as follows: firstly, preparing suspension colloid by hexamethylphosphoric triamide, attapulgite clay and toluene diisocynate in given proportion; adding the suspension colloid as a function modifier of the cast nylon in caprolactam polymerization monomer; and taking sodium hydroxide-toluene diisocynate as a catalyzing-activating system and triggering caprolactam anionic ring-opening polymerization, and finishing polymerization in a mould at normal pressure and simultaneously moulding. The preparation technology is simple and high efficient and has an industrial practical value; and for the prepared composite material of cast nylon/attapulgite clay, on the basis that the high stretching strength of the common cast nylon is kept, the toughness and the impact resistance are effectively reinforced, and the prepared composite material can meet the using requirements of substituting for non-ferrous metal and alloy steel to manufacture mechanical parts in multiple industrial fields.
Description
Technical field
The present invention relates to the preparation method of a kind of monomer cast nylon/attapulgite clay matrix material, be specifically related to a kind of preparation method who utilizes the catalytic activation anionic ring-opening polymerization to prepare monomer cast nylon/attapulgite clay matrix material.
Background technology
It is simple to be based upon the monomer cast nylon production technique that exploitation is made on the catalytic activation anionic ring-opening polymerization basis; The physical strength of foundry goods is superior to hydrolysis polycondensation nylon, can replace non-ferrous metal and steel alloy to make wear resistant mechanical components such as slide block, axle sleeve, bearing shell, carrying roller, pulley, cam, guide deflection sheave in field parts such as metallurgy, mine, traffic, transportations.
The polymer-based carbon clay composite material is present research focus, has both helped to improve the material property of polymkeric substance, has expanded the value added applications of these natural resource of clay again.Nylon/attapulgite clay matrix material and preparing method's patent mainly concentrates on hydrolysis polycondensation nylon (like Granted publication CN 100487053C patent), reaction in is extruded nylon (like Granted publication CN 1314730C patent, publication number CN 101235198A patented claim) and nylon polymerization body and the direct melt blending granulation of attapulgite clay (like Granted publication CN 100503727C patent).
The contained micro-moisture of raw material removed with the water that reaction generates fully before the key of monomer cast nylon manufacturing was to guarantee polymerization, and dewatering process adopts the vacuum distilling operation to realize.The resistance that contained outside surface planar water, duct planar water and the crystal water of attapulgite crystal all constitutes monomer cast nylon/attapulgite clay Composite Preparation process gathers factor; Must carry out high-temperature calcination to attapulgite clay in advance and handle, could effectively remove planar water and crystal water.Attapulgite clay after high-temperature calcination is handled can face the problem that contains planar water and crystal water again in the process that the surface organic that carries out prior art is modified; Only utilize the vacuum distilling dehydration in the monomer cast nylon ME can not remove these moisture fully; Yet; When preparation monomer cast nylon/attapulgite clay matrix material; It is important using through the attapulgite clay of modifying that organises; Contain the zeopan inorganic mineral because attapulgite clay is the chain laminate structure, inorganic mineral only in organic polymer monomer cast nylon matrix good compatible and abundant dispersion could effectively bring into play improved action to the monomer cast nylon material property, it is the prerequisite of assurance raising monomer cast nylon/attapulgite clay matrix material micro interface bonding force and consistency that attapulgite clay is carried out in advance that specific organising modify; And the attapulgite clay of modifying that organises also helps the abundant dispersion in organic polymer monomer cast nylon matrix.One Chinese patent application (publication number CN 101768355A) discloses the method that a kind of negatively charged ion open loop legal system is equipped with attapulgite clay/nylon 6 nano-composite; Used the exsiccant attapulgite clay; With the intensified by ultrasonic wave dispersion effect; Whether do not mention the attapulgite clay modification that organises, do not announce the prepared composite material mechanical performance yet.
Summary of the invention
The objective of the invention is to: the preparation method that a kind of monomer cast nylon/attapulgite clay matrix material is provided; The matrix material that obtains through this preparation method kept common monomer cast nylon than high tensile; Simultaneously efficient hardening toughness and shock resistance, can satisfy the request for utilization that replaces non-ferrous metals and steel alloy manufacturing machine parts at numerous industrial circles better.
Technical solution of the present invention is: at first; Prepare a kind of dispersion suspensoids; This disperses the functional modifier of suspensoids as monomer cast nylon, by HMPA, calcine exsiccant attapulgite clay and tolylene diisocyanate and process in proportion, wherein; HMPA is the dispersion medium of suspensoids; Simultaneously with the good miscible character of caprolactam monomer and nylon polymerization body, attapulgite clay is as the suspensoids dispersoid, the NCO of its surface silanol group and the tolylene diisocyanate generation chemically bonded that reacts; Disperseing suspensoids to prepare the modification that organises of accomplishing attapulgite clay in the process, this dispersion suspensoids does not contain the moisture that follow-up monomer cast nylon/attapulgite clay Composite Preparation is produced inhibition; Then; In removing the hexanolactam melt of moisture, add a certain proportion of this dispersion suspensoids; Cause the reaction of caprolactam anionic ring-opening polymerization through sodium hydroxide-tolylene diisocyanate catalytic activation system; Under normal pressure, reaction mass is cast into and accomplishes polymerization and moulding simultaneously in the preheating insulation mould, obtain monomer cast nylon/attapulgite clay matrix material.
Wherein, the monomer hexanolactam is the polymerization-grade industrial goods; Attapulgite clay is Jiangsu nine river clay development in science and technology ltd classification purification commodity, and model JC-J503, purity>=99.9%, fineness of dispersion (＜6.5 μ m)>=98, molecular formula are Mg
5Si
8O
20(OH)
2(OH
2)
44H
2O through thermal treatment, calcines the 2hr postcooling to normal temperature in 500 ℃ before preparation disperses suspensoids; HMPA is industrial goods, and purity>=99.0%, specific density 1.024 (25 ℃), molecular formula are C
6H
18N
3OP through the underpressure distillation purification process, collects 105～107 ℃ of cuts when 1.47kPa pressure before preparation disperses suspensoids; Sodium hydroxide and tolylene diisocyanate are the SILVER REAGENT chemical; Preparation disperses the raw material mass mixture ratio of suspensoids to be: hexamethyl phosphorus acyl San An ︰ attapulgite Nian Tu ︰ tolylene diisocyanate=16 ︰, 1 ︰ 1; The raw material mass mixture ratio of preparation monomer cast nylon/attapulgite clay matrix material is: (monomer) ︰ disperses suspensoids (functional modifier) ︰ sodium hydroxide (polymerizing catalyst) ︰ tolylene diisocyanate (polymerization activator)=100 ︰ 2.25～9 ︰ 0.1～0.2 ︰ 0.15～0.35 to hexanolactam; Wherein, the preferred mass proportioning is: 100 ︰, 4.5～6.5 ︰, 0.14～0.16 ︰ 0.25～0.3; The polymerization mould is stainless steel or ordinary steel material.
The preparation method of monomer cast nylon of the present invention/attapulgite clay matrix material comprises following concrete steps:
(1) disperses the suspensoids preparation: with HMPA, heat-treatment attapulgite clay and the tolylene diisocyanate accurately metering respectively of the purification process of above-mentioned quality proportioning; Place stirred reactor, feed the drying nitrogen protection, fully stir; React 4hr down in 80 ℃ of temperature, normal pressure; Make and disperse the suspensoids slurry, cooling should disperse suspensoids to normal temperature, was stored in the moisture eliminator that fills Calcium Chloride Powder Anhydrous subsequent use;
(2) concentration response active material preparation: the hexanolactam and the sodium hydroxide of above-mentioned 1/3 quality are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 120～135 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 160～170 ℃;
(3) the compound material preparation of function: the hexanolactam of above-mentioned residue 2/3 quality is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 120～135 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the accurately dispersion suspensoids slurry of metering to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 160～170 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the above-mentioned polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 170～190 ℃ the mould; 160～170 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Beneficial effect of the present invention is:
1, the monomer cast nylon that is obtained by preparation method of the present invention/attapulgite clay matrix material is keeping on the basis than high tensile that common monomer cast nylon possessed; Efficient hardening toughness and shock resistance, can satisfy the request for utilization that replaces non-ferrous metals and steel alloy manufacturing machine parts at numerous industrial circles better.
2, it is simple to disperse suspensoids to prepare process, and being stored in the moisture eliminator functional modifier as monomer cast nylon can repeatedly take, and measures and adds easy to operate;
3, when preparation monomer cast nylon/attapulgite clay matrix material, adopted conventional monomer cast nylon ME, simple efficient, have industrial utility value.
Embodiment
Below in conjunction with specific embodiment technical solution of the present invention is described further, these embodiment can not be interpreted as it is the restriction to technical solution.
Embodiment 1: prepare matrix material according to following concrete steps
(1) disperses the suspensoids preparation: with HMPA, 50g heat-treatment attapulgite clay and the 50g tolylene diisocyanate accurately metering respectively of 800g purification process; Place stirred reactor, feed the drying nitrogen protection, fully stir; React 4hr down in 80 ℃ of temperature, normal pressure; Make and disperse the suspensoids slurry, cooling should disperse the suspensoids slurry to normal temperature, was stored in the moisture eliminator that fills Calcium Chloride Powder Anhydrous subsequent use;
(2) concentration response active material preparation: 1000g hexanolactam and 3.0g sodium hydroxide are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 120 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 160 ℃;
(3) the compound material preparation of function: the 2000g hexanolactam is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 120 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the dispersion suspensoids slurry of 67.5g step 1 to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 160 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the 10.5g polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 170 ℃ the mould; 160 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Embodiment 2: prepare matrix material according to following concrete steps
(1) disperses the suspensoids preparation: i.e. embodiment 1 step 1;
(2) concentration response active material preparation: 1000g hexanolactam and 4.5g sodium hydroxide are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 128 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 165 ℃;
(3) the compound material preparation of function: the 2000g hexanolactam is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 128 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the dispersion suspensoids slurry of 170g step 1 to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 165 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the 7.5g polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 180 ℃ the mould; 165 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Embodiment 3: prepare matrix material according to following concrete steps
(1) disperses the suspensoids preparation: i.e. embodiment 1 step 1;
(2) concentration response active material preparation: 1000g hexanolactam and 6.0g sodium hydroxide are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 135 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 170 ℃;
(3) the compound material preparation of function: the 2000g hexanolactam is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 135 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the dispersion suspensoids slurry of 270g step 1 to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 170 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the 4.5g polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 190 ℃ the mould; 170 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Embodiment 4: prepare matrix material according to following concrete steps
(1) disperses the suspensoids preparation: i.e. embodiment 1 step 1;
(2) concentration response active material preparation: 1000g hexanolactam and 4.8g sodium hydroxide are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 130 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 170 ℃;
(3) the compound material preparation of function: the 2000g hexanolactam is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 130 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the dispersion suspensoids slurry of 135g step 1 to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 170 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the 9.0g polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 180 ℃ the mould; 170 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Embodiment 5: prepare matrix material according to following concrete steps
(1) disperses the suspensoids preparation: i.e. embodiment 1 step 1;
(2) concentration response active material preparation: 1000g hexanolactam and 4.5g sodium hydroxide are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 120 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 160 ℃;
(3) the compound material preparation of function: the 2000g hexanolactam is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 120 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the dispersion suspensoids slurry of 165g step 1 to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 160 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the 8.25g polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 185 ℃ the mould; 160 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Embodiment 6: prepare matrix material according to following concrete steps
(1) disperses the suspensoids preparation: i.e. embodiment 1 step 1;
(2) concentration response active material preparation: 1000g hexanolactam and 4.2g sodium hydroxide are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 135 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 165 ℃;
(3) the compound material preparation of function: the 2000g hexanolactam is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 135 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the dispersion suspensoids slurry of 195g step 1 to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 165 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the 7.5g polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 190 ℃ the mould; 165 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
Comparative Examples: with the 1000g caprolactam monomer is the example polymerization, and the catalyzer addition amount of sodium hydroxide is 0.14% of a caprolactam monomer quality, and acvator tolylene diisocyanate add-on is 0.30% of a caprolactam monomer quality; 1000g hexanolactam and 1.4g sodium hydroxide are dropped in the active material still simultaneously, be decompressed to 1.33kPa, under 125 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the reactive behavior material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping reactive behavior material temperature is 160 ℃; The 3g tolylene diisocyanate is mixed with the reactive behavior material rapidly, be molded into temperature and be in 180 ℃ the mould, 160 ℃ of casting liquid temps are incubated 30min behind casting liquid polymerization and the coagulation forming, and progressively cooling and demolding obtains common monomer cast nylon material.
Comparative Examples adopts common processes to produce common monomer cast nylon, tests its main mechanical property, compares with embodiment.The main mechanical property of Comparative Examples and embodiment is shown in subordinate list.
Subordinate list: the main mechanical property of Comparative Examples and embodiment
The invention is not restricted to these disclosed embodiment; The present invention is with the described scope of soverlay technique scheme; And the various modification of claim scope change with equivalence; Under the prerequisite that does not depart from technical solution of the present invention, any modification or improvement that those skilled in the art that the present invention did are realized easily all belong to the present invention's scope required for protection.
Claims (3)
1. the preparation method of monomer cast nylon/attapulgite clay matrix material; It is characterized in that: this preparation method at first processes dispersion suspensoids by HMPA, attapulgite clay and tolylene diisocyanate in definite ratio; Again the functional modifier of this dispersion suspensoids as monomer cast nylon added in the caprolactam polymerization monomer; With sodium hydroxide-tolylene diisocyanate is the catalytic activation system; Cause the reaction of hexanolactam anionic ring-opening polymerization, normal pressure is accomplished polymerization and moulding simultaneously down in mould; Wherein, the monomer hexanolactam is the polymerization-grade industrial goods; Attapulgite clay is Jiangsu nine river clay development in science and technology ltd classification purification commodity, and model JC-J503, purity>=99.9%, fineness of dispersion (＜6.5 μ m)>=98, molecular formula are Mg
5Si
8O
20(OH)
2(OH
2)
44H
2O through thermal treatment, calcines the 2hr postcooling to normal temperature in 500 ℃ before preparation disperses suspensoids; HMPA is industrial goods, and purity>=99.0%, specific density 1.024 (25 ℃), molecular formula are C
6H
18N
3OP through the underpressure distillation purification process, collects 105～107 ℃ of cuts when 1.47kPa pressure before preparation disperses suspensoids; Sodium hydroxide and tolylene diisocyanate are the SILVER REAGENT chemical; Preparation disperses the raw material mass mixture ratio of suspensoids to be: hexamethyl phosphorus acyl San An ︰ attapulgite Nian Tu ︰ tolylene diisocyanate=16 ︰, 1 ︰ 1; The raw material mass mixture ratio of preparation monomer cast nylon/attapulgite clay matrix material is: (monomer) ︰ disperses suspensoids (functional modifier) ︰ sodium hydroxide (polymerizing catalyst) ︰ tolylene diisocyanate (polymerization activator)=100 ︰ 2.25～9 ︰ 0.1～0.2 ︰ 0.15～0.35 to hexanolactam; The polymerization mould is stainless steel or ordinary steel material.
2. the preparation method of monomer cast nylon according to claim 1/attapulgite clay matrix material is characterized in that: the raw material mass mixture ratio of preparation monomer cast nylon/attapulgite clay matrix material is: (monomer) ︰ disperses suspensoids (functional modifier) ︰ sodium hydroxide (polymerizing catalyst) ︰ tolylene diisocyanate (polymerization activator)=100 ︰ 4.5～6.5 ︰ 0.14～0.16 ︰ 0.25～0.3 to hexanolactam.
3. the preparation method of monomer cast nylon according to claim 1/attapulgite clay matrix material is characterized in that the preparation method of matrix material comprises following concrete steps:
(1) disperses the suspensoids preparation: with HMPA, heat-treatment attapulgite clay and the tolylene diisocyanate accurately metering respectively of the purification process of above-mentioned quality proportioning; Place stirred reactor, feed the drying nitrogen protection, fully stir; React 4hr down in 80 ℃ of temperature, normal pressure; Make and disperse the suspensoids slurry, cooling should disperse suspensoids to normal temperature, was stored in the moisture eliminator that fills Calcium Chloride Powder Anhydrous subsequent use;
(2) concentration response active material preparation: the hexanolactam and the sodium hydroxide of above-mentioned 1/3 quality are dropped in the stainless steel active material still simultaneously, be decompressed to 1.33kPa, under 120～135 ℃ of temperature, react with overdraft; Distillation removes moisture; Keep decompression state 30min, obtain containing the concentration response active material of hexanolactam sodium salt, remove vacuum; Feed drying nitrogen to normal pressure, keeping concentration response active material temperature is 160～170 ℃;
(3) the compound material preparation of function: the hexanolactam of above-mentioned residue 2/3 quality is dropped in the stainless steel batching still, be decompressed to 1.33kPa with overdraft, distillation removes moisture under 120～135 ℃ of temperature; Keep decompression state 20min; Remove vacuum, feed drying nitrogen, add the accurately dispersion suspensoids slurry of metering to normal pressure; Mixing becomes the compound material of function, and keeping the compound material temperature of this function is 160～170 ℃;
(4) reaction solution cast poymerization: the concentration response active material of step 2, the compound material of function and the above-mentioned polymerization activator tolylene diisocyanate of step 3 are mixed into reaction solution rapidly; Be molded into temperature and be in 170～190 ℃ the mould; 160～170 ℃ of reaction casting liquid temps; Be incubated 30min behind reaction casting liquid polymerization and the coagulation forming, progressively cooling and demolding obtains monomer cast nylon/attapulgite clay matrix material.
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|---|---|---|---|
| CN 201110316827 CN102391503B (en) | 2011-10-19 | 2011-10-19 | Preparation method for composite material of cast nylon/attapulgite clay |
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|---|---|---|---|
| CN 201110316827 CN102391503B (en) | 2011-10-19 | 2011-10-19 | Preparation method for composite material of cast nylon/attapulgite clay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450469A (en) * | 2013-08-23 | 2013-12-18 | 淮阴工学院 | Preparation method of cast nylon composite material with high friction-reducing and anti-wear surface layer |
| CN109441952A (en) * | 2018-12-25 | 2019-03-08 | 浙江双金机械集团股份有限公司 | The processing method of crusher axle sleeve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392096A (en) * | 2008-09-17 | 2009-03-25 | 邱玉佩 | Cold-proof, impactive and high toughness casting nylon and method for producing the same |
| CN101768355A (en) * | 2008-12-29 | 2010-07-07 | 合肥杰事杰新材料有限公司 | Method for preparing attapulgite/nylon 6 nano-composite by negative ion ring-open method |
-
2011
- 2011-10-19 CN CN 201110316827 patent/CN102391503B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392096A (en) * | 2008-09-17 | 2009-03-25 | 邱玉佩 | Cold-proof, impactive and high toughness casting nylon and method for producing the same |
| CN101768355A (en) * | 2008-12-29 | 2010-07-07 | 合肥杰事杰新材料有限公司 | Method for preparing attapulgite/nylon 6 nano-composite by negative ion ring-open method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450469A (en) * | 2013-08-23 | 2013-12-18 | 淮阴工学院 | Preparation method of cast nylon composite material with high friction-reducing and anti-wear surface layer |
| CN109441952A (en) * | 2018-12-25 | 2019-03-08 | 浙江双金机械集团股份有限公司 | The processing method of crusher axle sleeve |
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| Publication number | Publication date |
|---|---|
| CN102391503B (en) | 2012-12-05 |
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