CN111320740A - Preparation method of medical TPU developing material - Google Patents
Preparation method of medical TPU developing material Download PDFInfo
- Publication number
- CN111320740A CN111320740A CN202010233840.8A CN202010233840A CN111320740A CN 111320740 A CN111320740 A CN 111320740A CN 202010233840 A CN202010233840 A CN 202010233840A CN 111320740 A CN111320740 A CN 111320740A
- Authority
- CN
- China
- Prior art keywords
- raw materials
- parts
- preparation
- developing material
- tpu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: 35-45 of 4-diphenylmethane diisocyanate, 18-30 of polytetrahydrofuran, 15-25 of 1, 4-butanediol, and the invention also provides a preparation method of the medical TPU developing material, which comprises the following steps: s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor; s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa; s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product. The TPU prepared by the invention has excellent biocompatibility, no toxicity, no anaphylactic reaction, no local irritation and no pyrogenicity, thus being widely applied to related products of medical treatment, health and the like as well as sports and protective equipment.
Description
Technical Field
The invention relates to the technical field of TPU (thermoplastic polyurethane) preparation methods, in particular to a preparation method of a medical TPU developing material.
Background
TPU is known by the name thermoplastic polyurethane elastomer rubber. The halogen-free flame-retardant TPU can be widely applied to the fields of daily necessities, sports goods, toys, decorative materials and the like, and can also replace soft PVC to meet the environmental protection requirements of more and more fields.
The existing medical TPU developing material has the defects of complicated preparation process and low yield, so a preparation method of the medical TPU developing material is provided.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a preparation method of a medical TPU developing material, and the prepared TPU has excellent biocompatibility, no toxicity, no anaphylactic reaction, no local irritation and no pyrogenicity, so that the TPU developing material is widely applied to medical, health and other related products and sports and protection equipment.
The invention provides a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: 35-45 parts of 4-diphenylmethane diisocyanate, 18-30 parts of polytetrahydrofuran, 15-25 parts of 1, 4-butanediol, 1-6 parts of medical alcohol, 1-5 parts of coupling agent, 1-4 parts of antioxidant and the balance of other auxiliary agents.
Preferably, the feed comprises the following raw materials in parts by weight: 37-42 parts of 4-diphenylmethane diisocyanate, 22-38 parts of polytetrahydrofuran and 17-23 parts of 1, 4-butanediol.
Preferably, the feed comprises the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23, 1, 4-butanediol 20, medical alcohol 4, a coupling agent 3, an antioxidant 3 and the balance of other auxiliary agents.
Preferably, the weight ratio of the 4-diphenylmethane diisocyanate to the polytetrahydrofuran to the 1, 4-butanediol is 37-42: 22-38: 17-23.
The invention also provides a preparation method of the medical TPU developing material, which comprises the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
The TPU prepared by the invention has excellent biocompatibility, no toxicity, no anaphylactic reaction, no local irritation and no pyrogenicity, thus being widely applied to related products of medical treatment, health and the like as well as sports and protective equipment.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention provides a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23 and 1, 4-butanediol 20.
The invention also provides a preparation method of the medical TPU developing material, which comprises the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
Example two
The invention provides a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23, 1, 4-butanediol 20, medical alcohol 4, a coupling agent 3, an antioxidant 3 and the balance of other auxiliary agents.
The invention also provides a preparation method of the medical TPU developing material, which comprises the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
EXAMPLE III
The invention provides a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23 and 1, 4-butanediol 20.
The invention also provides a preparation method of the medical TPU developing material, which comprises the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
Example four
The invention provides a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23 and 1, 4-butanediol 20.
The invention also provides a preparation method of the medical TPU developing material, which comprises the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
EXAMPLE five
The invention provides a preparation method of a medical TPU developing material, which comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23 and 1, 4-butanediol 20.
The invention also provides a preparation method of the medical TPU developing material, which comprises the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
The TPU prepared by the invention has excellent biocompatibility, no toxicity, no anaphylactic reaction, no local irritation and no pyrogenicity, thus being widely applied to related products of medical treatment, health and the like as well as sports and protective equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The preparation method of the medical TPU developing material is characterized by comprising the following raw materials in parts by weight: 35-45 parts of 4-diphenylmethane diisocyanate, 18-30 parts of polytetrahydrofuran and 15-25 parts of 1, 4-butanediol.
2. The preparation method of the medical TPU developing material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 37-42 parts of 4-diphenylmethane diisocyanate, 22-38 parts of polytetrahydrofuran and 17-23 parts of 1, 4-butanediol.
3. The preparation method of the medical TPU developing material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 4-diphenylmethane diisocyanate 44, polytetrahydrofuran 23 and 1, 4-butanediol 20.
4. The method for preparing the medical TPU developing material according to claim 1, wherein the weight ratio of the 4-diphenylmethane diisocyanate to the polytetrahydrofuran to the 1, 4-butanediol is 37-42: 22-38: 17-23.
5. A preparation method of a medical TPU developing material is characterized by comprising the following steps:
s1: metering and mixing the raw materials, and pouring the mixture into a double-screw reactor;
s2, carrying out underwater continuous granulation at the high temperature of 140-250 ℃ and the extrusion pressure of 4-7 MPa;
s3, curing to obtain a finished product; the conveying belt method comprises the steps of metering and mixing the raw materials, pouring the raw materials onto a conveying belt with a heating system, curing the raw materials through a drying tunnel, crushing the cured raw materials and granulating the cured raw materials to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233840.8A CN111320740A (en) | 2020-03-30 | 2020-03-30 | Preparation method of medical TPU developing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233840.8A CN111320740A (en) | 2020-03-30 | 2020-03-30 | Preparation method of medical TPU developing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111320740A true CN111320740A (en) | 2020-06-23 |
Family
ID=71167851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010233840.8A Pending CN111320740A (en) | 2020-03-30 | 2020-03-30 | Preparation method of medical TPU developing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111320740A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371929A (en) * | 2001-02-28 | 2002-10-02 | 四川大学 | Process for preparing no-toxicity medical polyurethane material |
| CN101020737A (en) * | 2007-03-01 | 2007-08-22 | 烟台万华新材料科技有限公司 | Continuous production process of thermoplastic polyurethane elastomer |
| CN108699206A (en) * | 2015-10-14 | 2018-10-23 | 贝克顿·迪金森公司 | It is used to form the thermoplastic polyurethane material of medical apparatus |
| CN110922559A (en) * | 2019-12-12 | 2020-03-27 | 山东一诺威聚氨酯股份有限公司 | Thermoplastic polyurethane elastomer material for degradable medical-grade film and preparation method thereof |
| CN111218105A (en) * | 2018-11-23 | 2020-06-02 | 万华化学集团股份有限公司 | Thermoplastic polyurethane elastomer composition and preparation method and application thereof |
-
2020
- 2020-03-30 CN CN202010233840.8A patent/CN111320740A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371929A (en) * | 2001-02-28 | 2002-10-02 | 四川大学 | Process for preparing no-toxicity medical polyurethane material |
| CN101020737A (en) * | 2007-03-01 | 2007-08-22 | 烟台万华新材料科技有限公司 | Continuous production process of thermoplastic polyurethane elastomer |
| CN108699206A (en) * | 2015-10-14 | 2018-10-23 | 贝克顿·迪金森公司 | It is used to form the thermoplastic polyurethane material of medical apparatus |
| CN111218105A (en) * | 2018-11-23 | 2020-06-02 | 万华化学集团股份有限公司 | Thermoplastic polyurethane elastomer composition and preparation method and application thereof |
| CN110922559A (en) * | 2019-12-12 | 2020-03-27 | 山东一诺威聚氨酯股份有限公司 | Thermoplastic polyurethane elastomer material for degradable medical-grade film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107698860B (en) | High-resilience composition foaming material for soles and preparation method thereof | |
| CN109627416A (en) | Thermoplastic polyurethane from low free monomer prepolymer | |
| EP1704177B1 (en) | Method for the production of shoes | |
| CN101402719B (en) | Transparent high-elasticity thermoplastic polyurethane and method of producing the same | |
| CN111423837B (en) | TPU hot melt adhesive and preparation method thereof | |
| TW201527421A (en) | Production of expanded thermoplastic elastomer | |
| JPS582063B2 (en) | Manufacturing method for thermosetting polyurethane molded products | |
| EP0747409A1 (en) | Thermoplastic polyurethane elastomers | |
| CN104193957A (en) | Transparent TPU (thermoplastic Polyurethane) film and preparation method thereof | |
| CN107739589A (en) | Low melting point thermoplastic polyurethane adhesive and preparation method thereof | |
| EP0747408B1 (en) | Process for the continuous production of polyurethane urea elastomers | |
| CN114805720A (en) | Thermoplastic polyurethanes | |
| CN114806106A (en) | PBAT-based biodegradable mulch film special material | |
| CN103265676A (en) | Method of continuously producing high-performance thermoplastic polyurethane elastomer | |
| CN111320740A (en) | Preparation method of medical TPU developing material | |
| JPH0134539B2 (en) | ||
| CN107189297A (en) | A kind of water-soluble degradation material, preparation method and printing support | |
| CN110684499A (en) | Modified polyurethane resin hot melt adhesive | |
| EP0747410B1 (en) | Thermoplastic polyurethane ureas II | |
| EP3689935A1 (en) | Thermoplastic polyurethane-rubber composite and method for obtaining thermoplastic polyurethane-rubber composite | |
| CN106810668B (en) | Polyurethane resin for shoe sole and preparation method and application thereof | |
| JPH04293956A (en) | Reclaimed high-molecular thermoplastic resin and method of reclaiming it | |
| DE2615840A1 (en) | PROCESS FOR PREPARING AND COMPOUNDING POLYURETHANE WASTE | |
| EP0688815B1 (en) | Process for the preparation of hydroxy-groups containing compounds from (polyurethane)polyurea waste | |
| DE2940951A1 (en) | DIAMINOPROPYLAETHER DERIVATIVES OF ANTHRANILIC ACID AND POLYURETHANE COMPOSITIONS CONTAINING THESE DERIVATIVES |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200623 |
|
| WD01 | Invention patent application deemed withdrawn after publication |