CN103172978B - Biodegradable seismic charge housing and preparation method thereof - Google Patents
Biodegradable seismic charge housing and preparation method thereof Download PDFInfo
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- CN103172978B CN103172978B CN201110432426.0A CN201110432426A CN103172978B CN 103172978 B CN103172978 B CN 103172978B CN 201110432426 A CN201110432426 A CN 201110432426A CN 103172978 B CN103172978 B CN 103172978B
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- 239000004622 biodegradable polyester Substances 0.000 claims abstract description 13
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- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
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- 239000001384 succinic acid Substances 0.000 claims description 11
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- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 150000007521 triprotic acids Chemical class 0.000 claims description 6
- 239000004255 Butylated hydroxyanisole Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 4
- 235000019282 butylated hydroxyanisole Nutrition 0.000 claims description 4
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 claims description 4
- 229940043253 butylated hydroxyanisole Drugs 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 4
- 150000002009 diols Chemical class 0.000 claims description 4
- 150000007520 diprotic acids Chemical class 0.000 claims description 4
- 150000002466 imines Chemical class 0.000 claims description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229960000892 attapulgite Drugs 0.000 claims description 3
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 229960001545 hydrotalcite Drugs 0.000 claims description 3
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 229920002961 polybutylene succinate Polymers 0.000 claims description 3
- 239000004631 polybutylene succinate Substances 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- 229920005601 base polymer Polymers 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- VJVOPINBJQWMNY-UHFFFAOYSA-N butanedioic acid;ethane-1,2-diol Chemical compound OCCO.OC(=O)CCC(O)=O VJVOPINBJQWMNY-UHFFFAOYSA-N 0.000 claims description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229960004063 propylene glycol Drugs 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 3
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- 239000004698 Polyethylene Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
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- GLDOVTGHNKAZLK-UHFFFAOYSA-N n-octadecyl alcohol Natural products CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 1
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- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a biodegradable seismic charge housing applicable to petroleum seismic exploration and a preparation method of the biodegradable seismic charge housing. The biodegradable seismic charge housing is characterized in that a biodegradable seismic charge is prepared from completely biodegradable polyester, a hydrolysis resisting agent, a stabilizer, a nucleating agent and an auxiliary. The preparation method specifically comprises the following steps of: mixing the raw materials through an extruder; and then carrying out extrusion and blow molding through a machine head die, thus obtaining the biodegradable seismic charge housing. The biodegradable seismic charge housing provided by the invention can be degraded into small molecules in the soil within a short time, and can meet the usage requirements on mechanical property, stability and degradability, etc.
Description
Technical field
The present invention relates to a kind of biological degradation explosive column shell of seismic focus and preparation method thereof.
Background technology
Traditional explosive column shell of seismic focus selects the general-purpose plastics such as polyethylene, polypropylene to be starting material, this explosive column shell of seismic focus is after explosive miss-fires, and its plastic casing can keep the several years in soil, cannot degrade, make explosive keep explosive power always, thus cause serious safety problem and environmental problem.In recent years, along with the development of plastics industry and the enhancing of people's awareness of safety, because the explosive-source explosive post safety problem adopting conventional plastic shell to cause just progressively gets more and more people's extensive concerning.How effectively to solve the safety problem of the powder column that miss-fires, what just show is more and more important.Biological degradation plastics, because it can degrade, after explosive miss-fires under physical environment, because shell can be degraded under environment residing for it, make it lose explosivity, so in fields such as petroleum prospectings, the research of biological degradation explosive column shell of seismic focus material seems particularly important.
At home, be that the explosive column shell of seismic focus production technology of raw material is very ripe with polyethylene, but also do not develop the precedent of complete biodegradable explosive column shell of seismic focus.
Summary of the invention
The object of the invention is to provide a kind of biological degradation explosive column shell of seismic focus for petroleum prospecting and preparation method thereof.
Biological degradation explosive column shell of seismic focus provided by the present invention, the raw material making it comprises: complete biodegradable polyester.
Certainly, this biological degradation explosive column shell of seismic focus also can only be prepared by Biodegradable polyester.
In addition, in order to make the performance of biological degradation explosive column shell of seismic focus more excellent, degradation process is controlled, and the raw material making it also comprises stablizer, nucleator and hydrolysis-resisting agent; Further also can comprise other auxiliary agent.
Preferred scheme is specifically made up of following raw material: Biodegradable polyester, hydrolysis-resisting agent, stablizer and nucleator; Or Biodegradable polyester, hydrolysis-resisting agent, stablizer, nucleator and auxiliary agent.
In the present invention, the repeated structural unit in described Biodegradable polyester is reacted by monomer A and monomers B and is formed; Described monomer A is binary aliphatic and the above carboxylic acid of binary, or the mixture of binary aliphatic and the above carboxylic acid of binary and aromatic binary carboxylic acid, and in described mixture, the mass content of aromatic binary carboxylic acid is less than 30%.Described monomers B is binary aliphatic and the above alcohol of binary.
Described binary aliphatic and the above carboxylic acid of binary comprise following at least one: succinic acid, C
3alkane diprotic acid, C
3alkane triprotic acid, C
5~ C
8alkane diprotic acid and C
5~ C
8alkane triprotic acid; Described aromatic binary carboxylic acid specifically can be terephthalic acid.
Described monomers B comprises following at least one: butyleneglycol, ethylene glycol, C
3alkane diol, C
3alkane trivalent alcohol, C
5~ C
10alkane diol and C
5~ C
10alkane triprotic acid.
Described Biodegradable polyester specifically can be selected from following at least one: poly butylene succinate, polyethylene glycol succinate, poly-succinic acid-butanediol-altogether-EGS ethylene glycol succinate, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-propylene glycol ester, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-hexylene glycol ester, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-pentadiol ester, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-decanediol ester, poly-succinic acid-butanediol-altogether-hexanodioic acid butyleneglycol, poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, poly-succinic acid-butanediol-altogether-terephthalic acid butyleneglycol-altogether-tetramethylene adipate, poly-succinic acid-butanediol-altogether-succinic acid 1, 2, 3-glycerine ester, preferred poly-succinic acid-butanediol-altogether-tetramethylene adipate.
In the present invention, described stablizer includes but not limited to following substances: triphenyl phosphite, B215, BHT (2,6-di-tert-butyl-4-methy phenol), BHA (butylated hydroxy anisole) and B900 (β-(3,5-di-tert-butyl-hydroxy phenyl) mixture of the positive octadecanol ester of propionic acid and three [2.4-di-tert-butyl-phenyl] phosphorous acid ester), the mixture of preferred triphenyl phosphite and B215, both mass ratioes can be 1:1.
Described nucleator includes but not limited to following substances: talcum powder, hydrotalcite, boron nitride, attapulgite and graphite.
Described auxiliary agent comprises conventional lubricant, strengthening agent, tinting material, fire retardant and tackifier.
Described hydrolysis-resisting agent includes but not limited to carbonization imine compound and/or carbonization imines base polymer, preferred polycarbodiimide.
In described biological degradation explosive column shell of seismic focus, the mass content of described Biodegradable polyester is 60%-100%, preferred 95.5%-99%; The mass content of described stablizer is 0%-5%, preferred 0.1%-1%; The mass content of described nucleator is 0%-10%, preferred 0.3%-1%; The mass content of described auxiliary agent is 0%-40%, preferred 0.3%-0.5%; The mass content of described hydrolysis-resisting agent is 0%-5%, preferred 0.1%-2%.
The method of the described biological degradation explosive column shell of seismic focus of preparation provided by the present invention, comprises the steps: to make the raw material of described biological degradation explosive column shell of seismic focus at forcing machine.
Carry out mixing, then by extrusion die extrusion and blow molding and get final product.
Wherein, described forcing machine can be single screw extrusion machine or twin screw extruder;
The temperature of described forcing machine is: feed end 40-180 DEG C, preferably 60 DEG C-120 DEG C; Other spot temperature are 100-290 DEG C, preferred 140-190 DEG C; Extruder head temperature is 80-280 DEG C, preferred 100-140 DEG C.
The horizontal and vertical tensile yield strength of biological degradation seismic charge shell prepared by the present invention is 20-60MPa, can keep shape and can not surrender when powder charge.Whole housing freely falls from 6m eminence and there will not be damage.Whole housing can meet application needs.In addition, by carrying out degraded test to housing fragment under ISO14855 composting conditions, 3 months degradation rates are 5-90%.It is intact or by other mode of connection such as thermo-weldings that the case cover that housing and same material injection moulding are made utilizes general polyester adhesive to bond.Whole housing soaks and there will not be drainage in three months in water.Biological degradation explosive-source explosive post provided by the invention can become small molecules in degraded in soil at short notice, and in mechanical property, the aspect such as stability and degradation property all can meet service requirements.
Embodiment
Below by specific embodiment, the present invention will be described, but the present invention is not limited thereto.
Experimental technique described in following embodiment, if no special instructions, is ordinary method; Described reagent and biomaterial, if no special instructions, all can obtain from commercial channels.
Housing stretching strength determination method is: housing is radially cut into width and is about the rectangular of 1cm, be cut into the rectangle batten that length is about 10cm subsequently, tensile testing machine carries out Elongation test experiment, rate of extension gets 10mm/s, get different barrel, and the batten of different sites carries out repeated test and is about 15-20 group, get statistical average value as experimental result.
Embodiment 1, prepare complete biodegradable explosive column shell of seismic focus
In material prescription, each material mass content is as follows: poly-succinic acid-butanediol-altogether-tetramethylene adipate (number-average molecular weight is 100,000) 98.4%, polycarbodiimide (number-average molecular weight is 614) 1%, triphenyl phosphite 0.2%, B2150.2%, talcum powder 0.2%, adds single screw extrusion machine through simple mixing, arranging feed end temperature is 60 DEG C, interlude temperature is 140 DEG C, and extruder head temperature is 100 DEG C, obtains seismic charge shell.
The cross directional stretch yield strength measuring this housing is 32.5MPa, and longitudinal stretching yield strength 29.3MPa, can keep shape when powder charge and can not surrender.Whole housing freely falls from 6m eminence and there will not be damage.Whole housing can meet application needs.In addition, by carrying out degraded test to housing fragment under ISO14855 composting conditions, within 3 months, degradation rate is 41.9%.It is intact that the case cover that housing and same material injection moulding are made utilizes general polyester adhesive to bond.Whole housing soaks and there will not be drainage in three months in water.
Embodiment 2, prepare complete biodegradable explosive column shell of seismic focus
In material prescription, each material mass content is as follows: poly-succinic acid-butanediol-altogether-succinic acid 1,2,3 glycerine esters (number-average molecular weight is 200,000) 93%, polycarbodiimide (number-average molecular weight is 912) 1%, B2155%, boron nitride 1%, add single screw extrusion machine through simple mixing, arranging feed end temperature is 180 DEG C, and interlude temperature is 230 DEG C, extruder head temperature is 190 DEG C, obtains seismic charge shell.
Measuring this seismic charge shell cross directional stretch yield strength is 33.1MPa, and longitudinal stretching yield strength 31.9MPa, can keep shape when powder charge and can not surrender.Whole housing freely falls from 6m eminence and there will not be damage.Whole housing can meet application needs.In addition, by carrying out degraded test to housing fragment under ISO14855 composting conditions, within 3 months, degradation rate is 11.2%.It is intact that the case cover that housing and injection moulding are made utilizes general polyester adhesive to bond.It is intact that the case cover that housing and same material injection moulding are made utilizes general polyester adhesive to bond.Whole housing soaks and there will not be drainage in three months in water.
Embodiment 3, prepare complete biodegradable explosive column shell of seismic focus
Material is poly butylene succinate (number-average molecular weight is 50,000) 100%, adds single screw extrusion machine, and arranging feed end temperature is 120 DEG C, and interlude temperature is 190 DEG C, and extruder head temperature is 140 DEG C, obtains seismic charge shell.
Measure this seismic charge shell cross directional stretch yield strength 30.7MPa, longitudinal stretching yield strength 30.3MPa, can keep shape when powder charge and can not surrender.Whole housing freely falls from 6m eminence and there will not be damage.Whole housing can meet application needs.By carrying out degraded test to housing fragment under ISO14855 composting conditions, within 3 months, degradation rate is 70.1%.Explosive-source explosive post soaks the case cover that housing and injection moulding make and adopts thermo-compression bonding intact in water.Whole housing soaks and there will not be drainage in three months in water.
Embodiment 4, prepare complete biodegradable explosive column shell of seismic focus
In material prescription, each material mass content is as follows: poly-succinic acid-butanediol-altogether-tetramethylene adipate (number-average molecular weight is 100,000) 88.6%, polycarbodiimide (number-average molecular weight is 614) 1%, triphenyl phosphite 0.2%, B2150.2%, attapulgite 10% adds single screw extrusion machine through simple mixing, and arranging feed end temperature is 100 DEG C, and interlude temperature is 190 DEG C, extruder head temperature is 125 DEG C, obtains seismic charge shell.
Measuring this seismic charge shell cross directional stretch yield strength is 42.4MPa, longitudinal stretching yield strength 39.5MPa, can shape be kept when powder charge and can not surrender.Whole housing freely falls from 6m eminence and there will not be damage.Whole housing can meet application needs.In addition, by carrying out degraded test to housing fragment under ISO14855 composting conditions, within 3 months, degradation rate is 55.0%.It is intact that the case cover that housing and same material injection moulding are made utilizes general polyester adhesive to bond.Whole housing buries 3 months in 5 meters of dark soil, and shell does not have fragmentation.
Embodiment 5, prepare complete biodegradable explosive column shell of seismic focus
In material prescription, each material mass content is as follows: poly-succinic acid-butanediol-altogether-terephthalic acid butyleneglycol-altogether-tetramethylene adipate (number-average molecular weight is 140,000) 84.1%, polycarbodiimide (number-average molecular weight is 1532) 5%, BHA 0.2%, B2150.2%, hydrotalcite 0.5%, fire retardant 10% adds single screw extrusion machine through simple mixing, arranging feed end temperature is 40 DEG C, interlude temperature is 100 DEG C, extruder head temperature is 80 DEG C, the seismic charge shell cross directional stretch yield strength obtained is 22.8MPa, longitudinal stretching yield strength 20.3MPa, , can shape be kept when powder charge and can not surrender.Whole housing freely falls from 6m eminence and there will not be damage.Whole housing can meet application needs.In addition, by carrying out degraded test to housing fragment under ISO14855 composting conditions, within 3 months, degradation rate is 10.0%.It is intact that the case cover that housing and same material injection moulding are made utilizes general polyester adhesive to bond.Whole housing soaks and there will not be drainage in three months in water.
Claims (7)
1. a biological degradation explosive column shell of seismic focus, the raw material making it comprises:
Biodegradable polyester, hydrolysis-resisting agent, stablizer and nucleator;
In described biological degradation explosive column shell of seismic focus, the mass content of described Biodegradable polyester is 95.5%-99%; The mass content of described hydrolysis-resisting agent is 0.1%-2%; The mass content of described stablizer is 0.1%-1%; The mass content of described nucleator is 0.3%-1%; The mass content of described auxiliary agent is 0.3%-0.5%;
Repeated structural unit in described Biodegradable polyester is reacted by monomer A and monomers B and is formed;
Described monomer A is binary aliphatic and the above carboxylic acid of binary, or the mixture of binary aliphatic and the above carboxylic acid of binary and aromatic binary carboxylic acid, and wherein, in described mixture, the mass content of aromatic binary carboxylic acid is less than 30%;
Described binary aliphatic and the above carboxylic acid of binary are specifically selected from following at least one: succinic acid, C
3alkane diprotic acid, C
3alkane triprotic acid, C
5~ C
8alkane diprotic acid and C
5~ C
8alkane triprotic acid; Described aromatic binary carboxylic acid is specially terephthalic acid;
Described monomers B is binary aliphatic and the above alcohol of binary;
Described monomers B is specifically selected from following at least one: butyleneglycol, ethylene glycol, C
3alkane diol, C
3alkane trivalent alcohol, C
5~ C
10alkane diol and C
5~ C
10alkane triprotic acid;
Described stablizer: triphenyl phosphite, B215,2,6 di tert butyl 4 methyl phenol, butylated hydroxy anisole and B900;
Described nucleator is selected from following at least one: talcum powder, hydrotalcite, boron nitride, attapulgite and graphite;
Described auxiliary agent is selected from following at least one: lubricant, strengthening agent, tinting material, fire retardant and tackifier;
Described hydrolysis-resisting agent is carbonization imine compound and/or carbonization imines base polymer.
2. biological degradation explosive column shell of seismic focus according to claim 1, is characterized in that: described biological degradation explosive column shell of seismic focus is made up of following raw material: Biodegradable polyester, hydrolysis-resisting agent, stablizer, nucleator and auxiliary agent.
3. biological degradation explosive column shell of seismic focus according to claim 1 and 2, it is characterized in that: described Biodegradable polyester is selected from following at least one: poly butylene succinate, polyethylene glycol succinate, poly-succinic acid-butanediol-altogether-EGS ethylene glycol succinate, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-propylene glycol ester, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-hexylene glycol ester, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-pentadiol ester, poly-succinic acid-butanediol-altogether-succinic acid 1, 2-decanediol ester, poly-succinic acid-butanediol-altogether-tetramethylene adipate, poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, poly-succinic acid-butanediol-altogether-terephthalic acid butyleneglycol-altogether-tetramethylene adipate, poly-succinic acid-butanediol-altogether-succinic acid 1, 2, 3-glycerine ester.
4. biological degradation explosive column shell of seismic focus according to claim 1 and 2, is characterized in that: described stablizer is the mixture of triphenyl phosphite and B215;
Described hydrolysis-resisting agent is polycarbodiimide.
5. prepare the method for biological degradation explosive column shell of seismic focus according to any one of claim 1-4 for one kind, comprise the steps: the raw material making biological degradation explosive column shell of seismic focus according to any one of claim 1-4 to carry out mixing at forcing machine, then by extrusion die extrusion and blow molding and get final product.
6. method according to claim 5, is characterized in that: described forcing machine is single screw extrusion machine or twin screw extruder;
The temperature of described forcing machine is: feed end 40-180 DEG C; Other spot temperature are 100-290 DEG C; Extruder head temperature is 80-280 DEG C.
7. method according to claim 6, is characterized in that: the temperature of described forcing machine is: feed end 60 DEG C-120 DEG C; Other spot temperature are 140-190 DEG C; Extruder head temperature is 100-140 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110432426.0A CN103172978B (en) | 2011-12-21 | 2011-12-21 | Biodegradable seismic charge housing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110432426.0A CN103172978B (en) | 2011-12-21 | 2011-12-21 | Biodegradable seismic charge housing and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103172978A CN103172978A (en) | 2013-06-26 |
| CN103172978B true CN103172978B (en) | 2015-03-04 |
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| CN108102317A (en) * | 2017-04-05 | 2018-06-01 | 安徽理工大学 | A kind of degredation plastic explosive column shell of seismic focus |
| CN109867921A (en) * | 2018-12-19 | 2019-06-11 | 长春工业大学 | A kind of PBS composite material and preparation method of the toughener containing PBST |
| CN113831707A (en) * | 2021-08-30 | 2021-12-24 | 武汉华丽环保产业有限公司 | Biodegradable seismic charge shell and preparation method thereof |
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| CN101609159A (en) * | 2009-07-17 | 2009-12-23 | 山东北方民爆器材有限公司 | Degradable, safe and environment-friendly seismic explosive column |
| CN201819634U (en) * | 2010-09-17 | 2011-05-04 | 新疆天河化工有限公司 | Seismic explosive column capable of being destroyed timedly |
| CN201837321U (en) * | 2010-10-22 | 2011-05-18 | 新疆天河化工有限公司 | Seismic charge with built-in active connecting joint |
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| CN101609159A (en) * | 2009-07-17 | 2009-12-23 | 山东北方民爆器材有限公司 | Degradable, safe and environment-friendly seismic explosive column |
| CN201819634U (en) * | 2010-09-17 | 2011-05-04 | 新疆天河化工有限公司 | Seismic explosive column capable of being destroyed timedly |
| CN201837321U (en) * | 2010-10-22 | 2011-05-18 | 新疆天河化工有限公司 | Seismic charge with built-in active connecting joint |
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