CN107661543A - A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production - Google Patents
A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production Download PDFInfo
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- CN107661543A CN107661543A CN201711119954.4A CN201711119954A CN107661543A CN 107661543 A CN107661543 A CN 107661543A CN 201711119954 A CN201711119954 A CN 201711119954A CN 107661543 A CN107661543 A CN 107661543A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4063—Mixtures of compounds of group C08G18/62 with other macromolecular compounds
-
- 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
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6212—Polymers of alkenylalcohols; Acetals thereof; Oxyalkylation products thereof
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/06—Coatings containing a mixture of two or more compounds
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production, comprise the following steps：（1）First aromatic diisocyanate, dehydrating agent are put into reactor jointly, it is 30 ~ 35 DEG C to keep the temperature in reactor, is stirred continuously 15 ~ 20min of processing；（2）Polyether Glycols, polyvinyl alcohol, defoamer, dispersant, lubricant, compounded mix composition are added into reactor, then it is 65 ~ 70 DEG C that heating, which keeps the temperature in reactor, and the pressure in reactor is increased into 0.5 ~ 0.7MPa, it is stirred continuously taking-up after 1 ~ 2h of processing.Polyurethane resin performed polymer produced by the present invention is used in the production of Macromolecular splint, can effectively lift its intensity, gas permeability, and with good moulding, biocidal property, and cost is cheap, is readily produced, application and popularizations value is higher.
Description
Technical field
The invention belongs to medical material technical field, and in particular to a kind of polyurethane tree of Medical macromolecular splint production
The processing method of fat performed polymer.
Background technology
Medical macromolecular splint is to be made up of the superimposition of layer high molecule layer of the bandage with special non-woven cloth, and it is used as bone
The outer fixation of section, orthopedic orthopedic tool, artificial limb miscellaneous function apparatus, branch stake tool, the local protective support of Department of B urn
Deng, have the characteristics that easy to operate, flexible, plasticity is good, it is good compared with the using effect of conventional gypsum, it is applied widely.Polyurethane
Polymer is the component in most Macromolecular splints, and its characteristic substantial connection the use characteristic of Macromolecular splint, and shows
With the presence of polyether polyols integrated quality it is poor, the problems such as mechanical characteristic is bad, need badly and be improved.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of polyurethane tree of Medical macromolecular splint production
The processing method of fat performed polymer.
The present invention is achieved by the following technical solutions：
A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production, comprises the following steps：
（1）The material of following parts by weight is first added into reactor：40 ~ 45 parts of aromatic diisocyanates, 0.2 ~ 0.5 part of dehydration
Agent, it is 30 ~ 35 DEG C that then heating, which keeps the temperature in reactor, is stirred continuously standby after 15 ~ 20min of processing；
（2）To step（1）The material of following parts by weight is added in reactor after processing：25 ~ 30 parts of polyether Glycols, 7 ~ 10 parts
Polyvinyl alcohol, 2 ~ 5 parts of defoamers, 1 ~ 3 part of dispersant, 1 ~ 2 part of lubricant, 8 ~ 12 parts of compounded mixs, then heating keep reaction
Temperature in kettle is 65 ~ 70 DEG C, and the pressure in reactor is increased into 0.5 ~ 0.7MPa, is taken out i.e. after being stirred continuously 1 ~ 2h of processing
Can.
Further, step（1）Described in stir process rotating speed be 500 ~ 600 revs/min.
Further, step（2）Described in defoamer be silicone oil, calcium oxide, any one in calcium hydroxide.
Further, step（2）Described in dispersant be sodium tripolyphosphate, calgon and sodium pyrophosphate in appoint
Meaning is a kind of.
Further, step（2）Described in lubricant be polyethylene glycol oxide.
Further, step（2）Described in the preparation method of compounded mix comprise the following steps：
A., oyster shell is put into pulverizer to 200 mesh excessively after carrying out pulverization process and obtains oyster shell powder, then puts oyster shell powder
Enter 10 ~ 15min of immersion treatment into the hydrochloric acid solution that mass fraction is 3 ~ 5%, it is 4 ~ 7% that mass fraction is placed into after taking-up
15 ~ 20min of immersion treatment in sodium hydroxide solution, finally taking-up are standby after being rinsed one time with clear water；
B. the oyster shell powder after a is handled will be operated to be put into calcining furnace, it is 480 ~ 520 DEG C to keep the temperature in calcining furnace, is forged
Taken out after 1 ~ 2h of burning processing standby；
C. will operate b processing after oyster shell powder be put into treatment fluid after 2 ~ 3h of immersion treatment filter out it is standby；Described processing
Liquid by following parts by weight material composition：9 ~ 13 parts of myrobalan's Aqueous extracts, 5 ~ 8 parts of kaolin, 2 ~ 5 parts of neopelexes,
1 ~ 3 part of aluminum stearate, 100 ~ 120 parts of water；
D. the oyster shell powder after c is filtered out will be operated to be put into drying box, it is 80 ~ 85 DEG C to control dry temperature, drying process
Taken out after 45 ~ 50min.
Further, it is 1 ~ 15 μm to operate the kaolinic particle diameter described in c.
The invention provides a kind of polyurethane resin performed polymer, the table of its bandage base fabric being used in Macromolecular splint production
Face coats, to strengthen the use quality of Macromolecular splint, in order to lift the using effect of polyurethane resin performed polymer, in its system
Compounded mix composition is with the addition of during standby, compounded mix used is to be modified to form using oyster shell as bulk composition, is made
Compounded mix there is good antibacterial, bonding characteristic, improve the compactness of polyurethane resin performed polymer institutional framework, strengthen
Its mechanical characteristic and moisture-penetrable ventilated ability.
The present invention has advantages below compared with prior art：
Polyurethane resin performed polymer produced by the present invention be used for Macromolecular splint production in, can effectively be lifted its intensity, thoroughly
Gas, and with good moulding, biocidal property, and cost is cheap, is readily produced, application and popularizations value is higher.
Embodiment
Embodiment 1
A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production, comprises the following steps：
（1）The material of following parts by weight is first added into reactor：40 parts of aromatic diisocyanates, 0.2 part of dehydrating agent, then
Heating keep reactor in temperature be 30 DEG C, be stirred continuously processing 15min after it is standby；
（2）To step（1）The material of following parts by weight is added in reactor after processing：25 parts of polyether Glycols, 7 parts of polyethylene
Alcohol, 2 parts of defoamers, 1 part of dispersant, 1 part of lubricant, 8 parts of compounded mixs, it is 65 that then heating, which keeps the temperature in reactor,
DEG C, and the pressure in reactor is increased into 0.5MPa, taken out after being stirred continuously processing 1h.
Further, step（1）Described in stir process rotating speed be 500 revs/min.
Further, step（2）Described in defoamer be silicone oil.
Further, step（2）Described in dispersant be sodium tripolyphosphate.
Further, step（2）Described in lubricant be polyethylene glycol oxide.
Further, step（2）Described in the preparation method of compounded mix comprise the following steps：
A., oyster shell is put into pulverizer to 200 mesh excessively after carrying out pulverization process and obtains oyster shell powder, then puts oyster shell powder
Enter the immersion treatment 10min into the hydrochloric acid solution that mass fraction is 3%, the hydroxide that mass fraction is 4% is placed into after taking-up
Immersion treatment 15min in sodium solution, finally taking-up are standby after being rinsed one time with clear water；
B. the oyster shell powder after a is handled will be operated to be put into calcining furnace, it is 480 DEG C to keep the temperature in calcining furnace, at calcining
Taken out after reason 1h standby；
C. will operate b processing after oyster shell powder be put into treatment fluid after immersion treatment 2h filter out it is standby；Described treatment fluid
By the material composition of following parts by weight：9 parts of myrobalan's Aqueous extracts, 5 parts of kaolin, 2 parts of neopelexes, 1 part of stearic acid
Aluminium, 100 parts of water；
D. the oyster shell powder after c is filtered out will be operated to be put into drying box, it is 80 DEG C to control dry temperature, drying process
Taken out after 45min.
Further, it is 1 ~ 15 μm to operate the kaolinic particle diameter described in c.
Polyurethane resin performed polymer produced by the present invention is used in the production of Macromolecular splint, can be more existing by its strength characteristics
Commercially available Macromolecular splint lifting more than 25%, 30% or so can be shortened by hardening fixed duration, and use value is higher.
Embodiment 2
A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production, comprises the following steps：
（1）The material of following parts by weight is first added into reactor：45 parts of aromatic diisocyanates, 0.5 part of dehydrating agent, then
Heating keep reactor in temperature be 35 DEG C, be stirred continuously processing 20min after it is standby；
（2）To step（1）The material of following parts by weight is added in reactor after processing：30 parts of polyether Glycols, 10 parts of poly- second
Enol, 5 parts of defoamers, 3 parts of dispersants, 2 parts of lubricants, 12 parts of compounded mixs, the temperature then heated in holding reactor are
70 DEG C, and the pressure in reactor is increased into 0.7MPa, taken out after being stirred continuously processing 2h.
Further, step（1）Described in stir process rotating speed be 600 revs/min.
Further, step（2）Described in defoamer be calcium hydroxide.
Further, step（2）Described in dispersant be sodium pyrophosphate.
Further, step（2）Described in lubricant be polyethylene glycol oxide.
Further, step（2）Described in the preparation method of compounded mix comprise the following steps：
A., oyster shell is put into pulverizer to 200 mesh excessively after carrying out pulverization process and obtains oyster shell powder, then puts oyster shell powder
Enter the immersion treatment 15min into the hydrochloric acid solution that mass fraction is 5%, the hydroxide that mass fraction is 7% is placed into after taking-up
Immersion treatment 20min in sodium solution, finally taking-up are standby after being rinsed one time with clear water；
B. the oyster shell powder after a is handled will be operated to be put into calcining furnace, it is 520 DEG C to keep the temperature in calcining furnace, at calcining
Taken out after reason 2h standby；
C. will operate b processing after oyster shell powder be put into treatment fluid after immersion treatment 3h filter out it is standby；Described treatment fluid
By the material composition of following parts by weight：13 parts of myrobalan's Aqueous extracts, 8 parts of kaolin, 5 parts of neopelexes, 3 parts of tristearin
Sour aluminium, 120 parts of water；
D. the oyster shell powder after c is filtered out will be operated to be put into drying box, it is 85 DEG C to control dry temperature, drying process
Taken out after 50min.
Further, it is 1 ~ 15 μm to operate the kaolinic particle diameter described in c.
Polyurethane resin performed polymer produced by the present invention is used in the production of Macromolecular splint, can be more existing by its strength characteristics
Commercially available Macromolecular splint lifting more than 27%, 32% or so can be shortened by hardening fixed duration, and use value is higher.
Claims (7)
1. a kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production, it is characterised in that including such as
Lower step：
（1）The material of following parts by weight is first added into reactor：40 ~ 45 parts of aromatic diisocyanates, 0.2 ~ 0.5 part of dehydration
Agent, it is 30 ~ 35 DEG C that then heating, which keeps the temperature in reactor, is stirred continuously standby after 15 ~ 20min of processing；
（2）To step（1）The material of following parts by weight is added in reactor after processing：25 ~ 30 parts of polyether Glycols, 7 ~ 10 parts
Polyvinyl alcohol, 2 ~ 5 parts of defoamers, 1 ~ 3 part of dispersant, 1 ~ 2 part of lubricant, 8 ~ 12 parts of compounded mixs, then heating keep reaction
Temperature in kettle is 65 ~ 70 DEG C, and the pressure in reactor is increased into 0.5 ~ 0.7MPa, is taken out i.e. after being stirred continuously 1 ~ 2h of processing
Can.
A kind of 2. processing side of the polyurethane resin performed polymer of Medical macromolecular splint production according to claim 1
Method, it is characterised in that step（1）Described in stir process rotating speed be 500 ~ 600 revs/min.
A kind of 3. processing side of the polyurethane resin performed polymer of Medical macromolecular splint production according to claim 1
Method, it is characterised in that step（2）Described in defoamer be silicone oil, calcium oxide, any one in calcium hydroxide.
A kind of 4. processing side of the polyurethane resin performed polymer of Medical macromolecular splint production according to claim 1
Method, it is characterised in that step（2）Described in dispersant be sodium tripolyphosphate, calgon and sodium pyrophosphate in it is any
It is a kind of.
A kind of 5. processing side of the polyurethane resin performed polymer of Medical macromolecular splint production according to claim 1
Method, it is characterised in that step（2）Described in lubricant be polyethylene glycol oxide.
A kind of 6. processing side of the polyurethane resin performed polymer of Medical macromolecular splint production according to claim 1
Method, it is characterised in that step（2）Described in the preparation method of compounded mix comprise the following steps：
A., oyster shell is put into pulverizer to 200 mesh excessively after carrying out pulverization process and obtains oyster shell powder, then puts oyster shell powder
Enter 10 ~ 15min of immersion treatment into the hydrochloric acid solution that mass fraction is 3 ~ 5%, it is 4 ~ 7% that mass fraction is placed into after taking-up
15 ~ 20min of immersion treatment in sodium hydroxide solution, finally taking-up are standby after being rinsed one time with clear water；
B. the oyster shell powder after a is handled will be operated to be put into calcining furnace, it is 480 ~ 520 DEG C to keep the temperature in calcining furnace, is forged
Taken out after 1 ~ 2h of burning processing standby；
C. will operate b processing after oyster shell powder be put into treatment fluid after 2 ~ 3h of immersion treatment filter out it is standby；Described processing
Liquid by following parts by weight material composition：9 ~ 13 parts of myrobalan's Aqueous extracts, 5 ~ 8 parts of kaolin, 2 ~ 5 parts of neopelexes,
1 ~ 3 part of aluminum stearate, 100 ~ 120 parts of water；
D. the oyster shell powder after c is filtered out will be operated to be put into drying box, it is 80 ~ 85 DEG C to control dry temperature, drying process
Taken out after 45 ~ 50min.
A kind of 7. processing side of the polyurethane resin performed polymer of Medical macromolecular splint production according to claim 6
Method, it is characterised in that the kaolinic particle diameter described in operation c is 1 ~ 15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119954.4A CN107661543A (en) | 2017-11-14 | 2017-11-14 | A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119954.4A CN107661543A (en) | 2017-11-14 | 2017-11-14 | A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production |
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| Publication Number | Publication Date |
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| CN107661543A true CN107661543A (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711119954.4A Pending CN107661543A (en) | 2017-11-14 | 2017-11-14 | A kind of processing method of the polyurethane resin performed polymer of Medical macromolecular splint production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108976383A (en) * | 2018-06-27 | 2018-12-11 | 西北民族大学 | A kind of Medical macromolecular splint |
| WO2022252406A1 (en) * | 2021-06-02 | 2022-12-08 | 宁波宝亭生物科技有限公司 | Two-component polyurethane composition, preparation method therefor, and use thereof |
-
2017
- 2017-11-14 CN CN201711119954.4A patent/CN107661543A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108976383A (en) * | 2018-06-27 | 2018-12-11 | 西北民族大学 | A kind of Medical macromolecular splint |
| WO2022252406A1 (en) * | 2021-06-02 | 2022-12-08 | 宁波宝亭生物科技有限公司 | Two-component polyurethane composition, preparation method therefor, and use thereof |
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