CN105732951A - Method for preparing sepiolite composite basalt fiber reinforced shape memory polyurethane - Google Patents
Method for preparing sepiolite composite basalt fiber reinforced shape memory polyurethane Download PDFInfo
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- CN105732951A CN105732951A CN201610198004.4A CN201610198004A CN105732951A CN 105732951 A CN105732951 A CN 105732951A CN 201610198004 A CN201610198004 A CN 201610198004A CN 105732951 A CN105732951 A CN 105732951A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2280/00—Compositions for creating shape memory
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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Abstract
The invention discloses a method for preparing sepiolite composite basalt fiber reinforced shape memory polyurethane, belonging to the technical field of preparation of shape memory polyurethane. The preparation method disclosed by the invention comprises the following steps: respectively grinding and screening basalt and sepiolite, mixing according to a ratio, and preparing mixed melt in a muffle furnace, thereby obtaining mixed fibers through threading; and grinding the fibers, mixing with poly-ethylene succinate and methylbenzene and heating in a water bath, dropwise adding methylene diphenyl diisocyanate and 1,4-butanediol, maintaining the temperature and heating, drying, cutting, hot pressing and performing cold pressing treatment on a glass plate, thereby obtaining the sepiolite composite basalt fiber reinforced shape memory polyurethane. The method disclosed by the invention has the beneficial effects that the preparation steps are simple, the prepared product, namely the shape memory polyurethane, is high in shape recovery capacity, the shape recovery time is reduced by 10-15 seconds, the recovery precision is high, and a repeated memory effect is improved by 25.3 percent. Moreover, the sepiolite composite basalt fiber reinforced shape memory polyurethane is high in pertinence.
Description
Technical field
The present invention relates to a kind of meerschaum and be combined the preparation method of basalt fibre enhancing shape memory polyurethane, belong to shape memory polyurethane preparing technical field.
Background technology
Shape memory high molecule (SMP) material has the advantages such as condition variation sensing to external world is sharp, memory recovery temperature wide ranges, easily forming, deformation quantity big, light weight, low price.At present, use value is the highest, applied research is most commonly used is Thermally stimulated shape memory polymer material (TSMP).Shape memory polyurethane (SMPU) is the novel TSMP that the class being all the time widely studied is important, can directly shape below room temperature, can return to the original form immediately again when being heated to more than transition temperature, can be by regulating the composition of each component and proportioning obtains the material with different memory temperature.SMPU has soft section, the alternately arranged many block structures of hard section, and hard section is generally that rigidity is big, polarity strong and forms aromatic series or the aliphatic diisocyanate of hydrogen bond；Soft section is then the most regular linear structure, degree of crystallinity is the highest and fusing point is relatively low end hydroxy polyether or polyester.SMPU have shock resistance good, repeat the features such as deformation effects is good, light refraction is good, moisture vapor permeability is excellent, application potential is huge.But because of SMPU have that shape recovery force is little, resume speed compared with slow, recover that precision is low, repetitive memory effect is not ideal enough, mechanical strength and the defect such as chemical durability is the best.
Summary of the invention
The technical problem to be solved: little for current shape memory polyurethane shape recovery force, resume speed is low with recovery precision, the drawback of repetitive memory poor effect, provide one and take basalt, meerschaum is milled respectively to sieve and is mixed in proportion, mixed melting body is prepared in Muffle furnace, composite fibre is obtained through drawing silk, with poly adipate succinic acid ester after milling, toluene mixing heating in water bath, dropping methyl diphenylene diisocyanate, 1, 4-butanediol Heat preservation, drying on glass plate, cutting, hot pressing, cold pressing treatment prepares meerschaum and is combined basalt fibre enhancing shape memory polyurethane, by the basalt fibre granule that meerschaum is modified, effective hypermnesis polyurethane recovery strength and the method for precision.Preparation process of the present invention is simple, and shape of product restoring force is high, and mechanical strength and chemical durability are good.
For solving above-mentioned technical problem, the present invention uses the technical scheme as described below to be:
(1) it is placed in high tension unit milling and sieving by clean for basalt, is prepared into the basalt granule of 80～100 mesh, then chooses meerschaum, clean and be placed in high tension unit milling and sieving, be prepared into the sepiolite particle of 80～100 mesh；
(2) 1:5 in mass ratio, mixes the sepiolite particle of above-mentioned preparation with the stirring of basalt granule and is placed in tungsten crucible, be subsequently placed in Muffle furnace, be warming up to 1500～1600 DEG C with the speed program of 120～150 DEG C/min so that it is insulation melted 1～2h；
(3) after insulation has melted, tungsten crucible is taken out, when temperature is down to 1280～1350 DEG C, carry out drawing silk with Glass rod by the tungsten crucible place of leting slip a remark, collect a diameter of 20～30 μm composite fibre, stand subsequently and be cooled to 20～30 DEG C, be prepared into meerschaum and be combined basalt fibre；
(4) meerschaum of above-mentioned preparation is combined basalt fibre to mill and sieve, it is prepared into 80～100 mesh meerschaums and is combined basalt granule, count the most by weight, the meerschaum weighing 55～75 parts of poly adipate succinic acid esters, 10～20 parts of toluene and 15～25 parts of preparations respectively is combined basalt granule in there-necked flask, and stirring mixing is placed in heating in water bath 25～30min at 80～90 DEG C；
(5) to be heated complete after, drip the methyl diphenylene diisocyanate identical in quality with above-mentioned toluene, controlling each time for adding is 3～5min, repeats to drip once every 5min, after dripping 3～5 times, Heat preservation 1～2h, to be heated complete after, be placed on heating in water bath at 80～90 DEG C, be simultaneously added dropwise the 1 of above-mentioned poly adipate succinic acid ester gross mass 1/10,4-butanediol, Heat preservation 1～2h；
(6) after Heat preservation completes, it is placed on the glass plate scribbling releasing agent, 20～24h it are dried at 110～130 DEG C, subsequently to its cutting and at 170～190 DEG C hot pressing 10～15min, controlling hot pressing pressure is 10～15MPa, after hot pressing completes, to its cold pressing treatment 2～3min under identical pressure, a kind of meerschaum can be prepared into and be combined basalt fibre enhancing shape memory polyurethane.
The meerschaum that the present invention prepares is combined basalt fibre enhancing shape memory polyurethane shape recovery rate and reaches more than 99.3%, and deformation at yield rate is 1505～1780%, and percentage elongation is 785～1256%, and Young's modulus is 340～652N/m2, hot strength is 2807～5845MPa.
The present invention is compared with additive method, and Advantageous Effects is:
(1) preparation process of the present invention is simple, and products obtained therefrom shape memory polyurethane shape recovery force is high, and the recovery of shape time decreases 10～15s, recovers precision high, and repetitive memory effect improves 25.3%；
(2) utilize meerschaum to be combined basalt fibre and strengthen shape memory polyurethane, with strong points, it is effectively increased its mechanical strength and chemical durability.
Detailed description of the invention
First basalt is cleaned and be placed in high tension unit milling and sieving, be prepared into the basalt granule of 80～100 mesh, then choose meerschaum, clean and be placed in high tension unit milling and sieving, be prepared into the sepiolite particle of 80～100 mesh；1:5 the most in mass ratio, mixes the sepiolite particle of above-mentioned preparation with the stirring of basalt granule and is placed in tungsten crucible, be subsequently placed in Muffle furnace, be warming up to 1500～1600 DEG C with the speed program of 120～150 DEG C/min so that it is insulation melted 1～2h；After insulation has melted, tungsten crucible is taken out, when temperature is down to 1280～1350 DEG C, carry out drawing silk with Glass rod by the tungsten crucible place of leting slip a remark, collect a diameter of 20～30 μm composite fibre, stand subsequently and be cooled to 20～30 DEG C, be prepared into meerschaum and be combined basalt fibre；Again the meerschaum of above-mentioned preparation is combined basalt fibre to mill and sieve, it is prepared into 80～100 mesh meerschaums and is combined basalt granule, count the most by weight, the meerschaum weighing 55～75 parts of poly adipate succinic acid esters, 10～20 parts of toluene and 15～25 parts of preparations respectively is combined basalt granule in there-necked flask, and stirring mixing is placed in heating in water bath 25～30min at 80～90 DEG C；To be heated complete after, drip the methyl diphenylene diisocyanate identical in quality with above-mentioned toluene, controlling each time for adding is 3～5min, repeats to drip once every 5min, after dripping 3～5 times, Heat preservation 1～2h, to be heated complete after, be placed on heating in water bath at 80～90 DEG C, be simultaneously added dropwise the 1 of above-mentioned poly adipate succinic acid ester gross mass 1/10,4-butanediol, Heat preservation 1～2h；Finally after Heat preservation completes, it is placed on the glass plate scribbling releasing agent, 20～24h it are dried at 110～130 DEG C, subsequently to its cutting and at 170～190 DEG C hot pressing 10～15min, controlling hot pressing pressure is 10～15MPa, after hot pressing completes, to its cold pressing treatment 2～3min under identical pressure, a kind of meerschaum can be prepared into and be combined basalt fibre enhancing shape memory polyurethane.
Example 1
First basalt is cleaned and be placed in high tension unit milling and sieving, be prepared into the basalt granule of 80 mesh, then choose meerschaum, clean and be placed in high tension unit milling and sieving, be prepared into the sepiolite particle of 80 mesh；1:5 the most in mass ratio, mixes the sepiolite particle of above-mentioned preparation with the stirring of basalt granule and is placed in tungsten crucible, be subsequently placed in Muffle furnace, be warming up to 1500 DEG C with the speed program of 120 DEG C/min so that it is the melted 1h of insulation；After insulation has melted, tungsten crucible is taken out, when temperature is down to 1280 DEG C, carries out drawing silk with Glass rod by the tungsten crucible place of leting slip a remark, collect a diameter of 20 μm composite fibre, stand subsequently and be cooled to 20 DEG C, be prepared into meerschaum and be combined basalt fibre；Again the meerschaum of above-mentioned preparation is combined basalt fibre to mill and sieve, it is prepared into 80 mesh meerschaums and is combined basalt granule, count the most by weight, the meerschaum weighing 55 parts of poly adipate succinic acid esters, 20 parts of toluene and 25 parts of preparations respectively is combined basalt granule in there-necked flask, and stirring mixing is placed in heating in water bath 25min at 80 DEG C；To be heated complete after, drip the methyl diphenylene diisocyanate identical in quality with above-mentioned toluene, controlling each time for adding is 3min, repeats to drip once every 5min, after dripping 3 times, Heat preservation 1h, to be heated complete after, be placed on heating in water bath at 80 DEG C, be simultaneously added dropwise the 1 of poly adipate succinic acid ester gross mass 1/10,4-butanediol, Heat preservation 1h；Finally after Heat preservation completes, it is placed on the glass plate scribbling releasing agent, 20h it is dried at 110 DEG C, subsequently to its cutting and at 170 DEG C hot pressing 10min, controlling hot pressing pressure is 10MPa, after hot pressing completes, to its cold pressing treatment 2min under identical pressure, a kind of meerschaum can be prepared into and be combined basalt fibre enhancing shape memory polyurethane.
Preparation process of the present invention is simple, and products obtained therefrom shape memory polyurethane shape recovery force is high, and the recovery of shape time decreases 10s, recovers precision high, and repetitive memory effect improves 25.3%；Utilize meerschaum to be combined basalt fibre and strengthen shape memory polyurethane, with strong points, it is effectively increased its mechanical strength and chemical durability；The meerschaum prepared is combined basalt fibre enhancing shape memory polyurethane shape recovery rate and reaches 99.39%, and deformation at yield rate is 1505%, and percentage elongation is 785%, and Young's modulus is 340N/m2, hot strength is 2807MPa.
Example 2
First basalt is cleaned and be placed in high tension unit milling and sieving, be prepared into the basalt granule of 90 mesh, then choose meerschaum, clean and be placed in high tension unit milling and sieving, be prepared into the sepiolite particle of 90 mesh；1:5 the most in mass ratio, mixes the sepiolite particle of above-mentioned preparation with the stirring of basalt granule and is placed in tungsten crucible, be subsequently placed in Muffle furnace, be warming up to 1550 DEG C with the speed program of 135 DEG C/min so that it is the melted 2h of insulation；After insulation has melted, tungsten crucible is taken out, when temperature is down to 1320 DEG C, carries out drawing silk with Glass rod by the tungsten crucible place of leting slip a remark, collect a diameter of 25 μm composite fibre, stand subsequently and be cooled to 25 DEG C, be prepared into meerschaum and be combined basalt fibre；Again the meerschaum of above-mentioned preparation is combined basalt fibre to mill and sieve, it is prepared into 90 mesh meerschaums and is combined basalt granule, count the most by weight, the meerschaum weighing 65 parts of poly adipate succinic acid esters, 15 parts of toluene and 20 parts of preparations respectively is combined basalt granule in there-necked flask, and stirring mixing is placed in heating in water bath 28min at 85 DEG C；To be heated complete after, drip the methyl diphenylene diisocyanate identical in quality with above-mentioned toluene, controlling each time for adding is 4min, repeats to drip once every 5min, after dripping 4 times, Heat preservation 2h, to be heated complete after, be placed on heating in water bath at 85 DEG C, be simultaneously added dropwise the 1 of poly adipate succinic acid ester gross mass 1/10,4-butanediol, Heat preservation 2h；Finally after Heat preservation completes, it is placed on the glass plate scribbling releasing agent, 22h it is dried at 120 DEG C, subsequently to its cutting and at 180 DEG C hot pressing 13min, controlling hot pressing pressure is 13MPa, after hot pressing completes, to its cold pressing treatment 3min under identical pressure, a kind of meerschaum can be prepared into and be combined basalt fibre enhancing shape memory polyurethane.
Preparation process of the present invention is simple, and products obtained therefrom shape memory polyurethane shape recovery force is high, and the recovery of shape time decreases 13s, recovers precision high, and repetitive memory effect improves 25.3%；Utilize meerschaum to be combined basalt fibre and strengthen shape memory polyurethane, with strong points, it is effectively increased its mechanical strength and chemical durability；The meerschaum prepared is combined basalt fibre enhancing shape memory polyurethane shape recovery rate and reaches 99.65%, and deformation at yield rate is 1642%, and percentage elongation is 1020%, and Young's modulus is 496N/m2, hot strength is 4326MPa.
Example 3
First basalt is cleaned and be placed in high tension unit milling and sieving, be prepared into the basalt granule of 100 mesh, then choose meerschaum, clean and be placed in high tension unit milling and sieving, be prepared into the sepiolite particle of 100 mesh；1:5 the most in mass ratio, mixes the sepiolite particle of above-mentioned preparation with the stirring of basalt granule and is placed in tungsten crucible, be subsequently placed in Muffle furnace, be warming up to 1600 DEG C with the speed program of 150 DEG C/min so that it is the melted 2h of insulation；After insulation has melted, tungsten crucible is taken out, when temperature is down to 1350 DEG C, carries out drawing silk with Glass rod by the tungsten crucible place of leting slip a remark, collect a diameter of 30 μm composite fibre, stand subsequently and be cooled to 30 DEG C, be prepared into meerschaum and be combined basalt fibre；Again the meerschaum of above-mentioned preparation is combined basalt fibre to mill and sieve, it is prepared into 100 mesh meerschaums and is combined basalt granule, count the most by weight, the meerschaum weighing 75 parts of poly adipate succinic acid esters, 10 parts of toluene and 15 parts of preparations respectively is combined basalt granule in there-necked flask, and stirring mixing is placed in heating in water bath 30min at 90 DEG C；To be heated complete after, drip the methyl diphenylene diisocyanate identical in quality with above-mentioned toluene, controlling each time for adding is 5min, repeats to drip once every 5min, after dripping 5 times, Heat preservation 2h, to be heated complete after, be placed on heating in water bath at 90 DEG C, be simultaneously added dropwise the 1 of poly adipate succinic acid ester gross mass 1/10,4-butanediol, Heat preservation 2h；Finally after Heat preservation completes, it is placed on the glass plate scribbling releasing agent, 24h it is dried at 130 DEG C, subsequently to its cutting and at 190 DEG C hot pressing 15min, controlling hot pressing pressure is 15MPa, after hot pressing completes, to its cold pressing treatment 3min under identical pressure, a kind of meerschaum can be prepared into and be combined basalt fibre enhancing shape memory polyurethane.
Preparation process of the present invention is simple, and products obtained therefrom shape memory polyurethane shape recovery force is high, and the recovery of shape time decreases 15s, recovers precision high, and repetitive memory effect improves 25.3%；Utilize meerschaum to be combined basalt fibre and strengthen shape memory polyurethane, with strong points, it is effectively increased its mechanical strength and chemical durability；The meerschaum prepared is combined basalt fibre enhancing shape memory polyurethane shape recovery rate and reaches 99.83%, and deformation at yield rate is 1780%, and percentage elongation is 1256%, and Young's modulus is 652N/m2, hot strength is 5845MPa.
Claims (1)
1. a meerschaum is combined basalt fibre and strengthens the preparation method of shape memory polyurethane, it is characterised in that concrete preparation process is:
(1) it is placed in high tension unit milling sieving by clean for basalt, is prepared into the basalt granule of 80～100 mesh, then chooses meerschaum, clean and be placed in high tension unit milling and sieving, be prepared into the sepiolite particle of 80～100 mesh；
(2) 1:5 in mass ratio, the sepiolite particle of above-mentioned preparation is mixed with the stirring of basalt granule and is placed in tungsten crucible, subsequently tungsten crucible is placed in Muffle furnace, is warming up to 1500～1600 DEG C with the speed program of 120～150 DEG C/min so that it is insulation melted 1～2h；
(3) after insulation has melted, tungsten crucible is taken out, when temperature is down to 1280～1350 DEG C, carry out drawing silk with Glass rod by the tungsten crucible place of leting slip a remark, collect a diameter of 20～30 μm composite fibre, stand subsequently and be cooled to 20～30 DEG C, be prepared into meerschaum and be combined basalt fibre；
(4) meerschaum of above-mentioned preparation is combined basalt fibre to mill and sieve, it is prepared into 80～100 mesh meerschaums and is combined basalt granule, count the most by weight, the meerschaum weighing 55～75 parts of poly adipate succinic acid esters, 10～20 parts of toluene and 15～25 parts of preparations respectively is combined basalt granule in there-necked flask, and stirring mixing is placed in heating in water bath 25～30min at 80～90 DEG C；
(5) to be heated complete after, drip the methyl diphenylene diisocyanate identical in quality with above-mentioned toluene, controlling each time for adding is 3～5min, repeats to drip once every 5min, after dripping 3～5 times, Heat preservation 1～2h, to be heated complete after, be placed on heating in water bath at 80～90 DEG C, be simultaneously added dropwise the 1 of above-mentioned poly adipate succinic acid ester gross mass 1/10,4-butanediol, Heat preservation 1～2h；
(6) after Heat preservation completes, it is placed on the glass plate scribbling releasing agent, 20～24h it are dried at 110～130 DEG C, subsequently to its cutting and at 170～190 DEG C hot pressing 10～15min, controlling hot pressing pressure is 10～15MPa, after hot pressing completes, to its cold pressing treatment 2～3min under identical pressure, a kind of meerschaum can be prepared into and be combined basalt fibre enhancing shape memory polyurethane.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736042A (en) * | 2016-12-25 | 2017-05-31 | 常州市鼎日环保科技有限公司 | A kind of preparation method of high tenacity Anti-moisture-absorbing sintered flux |
| CN107352218A (en) * | 2017-06-02 | 2017-11-17 | 浙江龙圣华橡胶有限公司 | A kind of preparation method of basalt fibre canvas core conveyor belt |
| CN108238715A (en) * | 2018-01-12 | 2018-07-03 | 江苏巨盈节能环保科技有限公司 | A kind of inorganic fibre insulation board and preparation method thereof |
| CN110105529A (en) * | 2019-06-10 | 2019-08-09 | 镇江利德尔复合材料有限公司 | A kind of processing synthetic method of novel shape memory polyurethane material |
-
2016
- 2016-03-31 CN CN201610198004.4A patent/CN105732951A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736042A (en) * | 2016-12-25 | 2017-05-31 | 常州市鼎日环保科技有限公司 | A kind of preparation method of high tenacity Anti-moisture-absorbing sintered flux |
| CN107352218A (en) * | 2017-06-02 | 2017-11-17 | 浙江龙圣华橡胶有限公司 | A kind of preparation method of basalt fibre canvas core conveyor belt |
| CN108238715A (en) * | 2018-01-12 | 2018-07-03 | 江苏巨盈节能环保科技有限公司 | A kind of inorganic fibre insulation board and preparation method thereof |
| CN110105529A (en) * | 2019-06-10 | 2019-08-09 | 镇江利德尔复合材料有限公司 | A kind of processing synthetic method of novel shape memory polyurethane material |
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Application publication date: 20160706 |