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CN106117493A - A kind of preparation method of heat resistant type TPU film - Google Patents

A kind of preparation method of heat resistant type TPU film Download PDF

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Publication number
CN106117493A
CN106117493A CN201610480133.2A CN201610480133A CN106117493A CN 106117493 A CN106117493 A CN 106117493A CN 201610480133 A CN201610480133 A CN 201610480133A CN 106117493 A CN106117493 A CN 106117493A
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glycol
tpu film
component
preparation
heat resistant
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张勇
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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
    • C08G18/6666—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
    • 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
    • C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • 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
    • 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
    • C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • 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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films

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  • 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

A kind of preparation method of heat resistant type TPU film, with component A, organic diisocyanate and little molecule glycol are raw material, described component A is polyether polyol and/or PEPA, heat respectively, make each raw materials melt, in component A melting process, add antioxidant, carbodiimides and E wax, then with organic diisocyanate, little molecule glycol is sufficiently mixed together in double screw extruder, and carry out polymerisation in bulk at a temperature of 140 DEG C～200 DEG C, through extrusion, import in water and carry out pelletize, generate elastomer particles, vacuum drying, then by extrusion, curtain coating, blowing production obtains TPU film.Advantage is: technique is simple, is easily controlled, and production cost is low, the TPU film steady quality of preparation, environmental protection, and performance wear-resisting, high temperature resistant, warping strength is good, and has the resilience of good cryogenic property and excellence, and stability is splendid in process of production.

Description

A kind of preparation method of heat resistant type TPU film
Technical field
The invention belongs to TPU film preparation field, particularly to the preparation method of a kind of heat resistant type TPU film.
Background technology
TPU film is the abbreviation of thermoplastic polyurethane thin film, belongs to non-porous hydrophilic thin film.Owing to thin film itself does not has hole Gap, waterproof effect is naturally fine, the most also makes fabric wind-proof warming simultaneously, is therefore the good succedaneum of PVC material.TPU is not Only have the high-tension of brilliance, high-tensile strength, tough and ageing-resistant characteristic, and be kind of ripe environment-friendly materials, by extensively It is applied to footwear material, ready-made clothes, toy and Boating-used equipment.
Existing polyurethane film production operation is numerous and diverse, and manufacturing cost is high, and equipment investment is big；Product is in percentage elongation, elasticity Reply, upper performance wear-resisting, warping strength not ideal enough.
Summary of the invention
It is simple that the technical problem to be solved in the present invention is to provide a kind of technique, is easily controlled, the heat resistant type that production cost is low The preparation method of TPU film, the TPU film steady quality of preparation, environmental protection, performance wear-resisting, high temperature resistant, warping strength is good, and There is the resilience of good cryogenic property and excellence, and stability is splendid in process of production.
The technical solution of the present invention is:
A kind of preparation method of heat resistant type TPU film, it comprises the concrete steps that:
With component A, organic diisocyanate and little molecule glycol as raw material, described component A be polyether polyol and/or polyester many Unit's alcohol, heats respectively, makes each raw materials melt, in component A melting process, adds antioxidant, carbodiimides and E wax, described Antioxidant is at least two in 2,6 ditertiary butyl p cresol (BHT), antioxidant 1010, irgasfos 168, antioxidant 245 Mixture, wherein, antioxidant is 0.1:1000～0.05:1000 with the mass ratio of component A；To prevent, TPU film is aging, water Solve, improve the processing characteristics during producing TPU film；Then double together with organic diisocyanate, little molecule glycol Screw extruder is sufficiently mixed 2 minutes～10 minutes, and at a temperature of 140 DEG C～200 DEG C, carries out polymerisation in bulk, through squeezing Go out, import and water carries out pelletize, generate elastomer particles, to avoid causing product degradation because polymeric reaction temperature is too high, Being vacuum dried at a temperature of 80 DEG C～105 DEG C 16 hours～32 hours, then by extrusion, curtain coating, it is thin that blowing production obtains TPU Film.
Described polyether polyol is at least one in PolyTHF (PTMG), polypropylene oxide glycol；PEPA For poly-adipic acid glycol ester glycol (PEA), poly-adipic acid ethylene glycol and 1,2-propylene glycol esterdiol, poly-adipic acid-BDO ester One or two in glycol (PBA), poly-adipic acid diglycol esterdiol (PDA), pla-pcl glycol, PCDL Kind.
Described organic diisocyanate is: 4,4 '-'-diphenylmethane diisocyanate (MDI), toluene di-isocyanate(TDI) (TDI), XDI (XDI), 1,5-naphthalene diisocyanate (NDI), hexamethylene diisocyanate (HDI), the one in PPDI (PPDI) or two kinds.
Described little molecule glycol be ethylene glycol, propylene glycol, BDO (BDO), 1,6-hexylene glycol, hydroquinone hydroxyethyl ether (HQEE) at least one in.
Described carbodiimides is 0.1:1000～0.05:1000 with the mass ratio of component A；Described E wax and the matter of component A Amount ratio is 0.1:1000～0.05:1000.
Component A, organic diisocyanate, the proportioning of little molecule glycol meet following formula: 0.95≤b/ (a c)≤1.01；Formula In: a-represents the molal quantity of component A；B-represents the molal quantity of organic diisocyanate；C-represents the molal quantity of little molecule glycol.
The invention has the beneficial effects as follows:
Technique is simple, is easily controlled, and production cost is low, the TPU film steady quality of preparation, environmental protection, wear-resisting, high temperature resistant, Warping strength performance is good, and has the resilience of good cryogenic property and excellence, and stability is splendid in process of production.
Detailed description of the invention
Embodiment 1
Choose PolyTHF (PTMG), 4,4 '-'-diphenylmethane diisocyanate (MDI) (being heated to 65 DEG C), BDO (BDO) (it is heated to 80 DEG C), makes each component be in molten condition, in PolyTHF melting process, add antioxidant (quality Than being the antioxidant 1010 of 1:1 and irgasfos 168 mixture), carbodiimides and E wax, wherein, antioxidant and PolyTHF Mass ratio be 0.1:1000, the mass ratio of carbodiimides and PolyTHF is 0.05:1000, E wax and PolyTHF Mass ratio be 0.1:1000；After metering system accurate measurement, the PolyTHF 1mol of molten condition, 4,4 '-hexichol Methane diisocyanate 3.24mol and BDO 2.25mol continuously into barrel zone temperature 140 DEG C～the temperature of 200 DEG C Being sufficiently mixed 2 minutes in double screw extruder (75 mm dias, draw ratio L/D is 64) in the range of degree, its Temperature Distribution is 140℃、145℃、150℃、170℃、180℃、180℃、180℃、180℃、195℃、195℃、180℃、180℃、180 DEG C, 180 DEG C, 180 DEG C, and under the rotating speed of 180 revs/min, carry out body melt polymerization, through extrusion, import in water, carry out water Lower pelletize, thus obtains polyurethane elastomer granule；The polyurethane elastomer granule obtained, 80 DEG C～the temperature of 105 DEG C The lower vacuum drying of degree 32 hours, afterwards, is produced the polyurethane elastomer granule being dried obtained by extrusion, curtain coating, blowing TPU film.
Embodiment 2
Choose poly-adipic acid-BDO esterdiol (PBA), 4,4 '-'-diphenylmethane diisocyanate (MDI) (is heated to 65 DEG C), BDO (BDO) (being heated to 80 DEG C), make each component be in molten condition, at poly-adipic acid-BDO ester In glycol melting process, add antioxidant (mass ratio be the 2,6 ditertiary butyl p cresol (BHT) of 1:1:1, antioxidant 1010 and The mixture of irgasfos 168), carbodiimides hydrolysis stabilizer and E wax lubricant, wherein, antioxidant and poly-adipic acid-Isosorbide-5-Nitrae- The mass ratio of butanediol ester glycol is 0.05:1000, carbodiimides and the mass ratio of poly-adipic acid-BDO esterdiol Mass ratio for 0.1:1000, E wax Yu poly-adipic acid-BDO esterdiol is 0.05:1000；Accurate by metering system After metering, the poly-adipic acid of molten condition-BDO esterdiol 1mol, 4,4 '-'-diphenylmethane diisocyanate 3.27mol With BDO 2.25mol continuously into barrel zone temperature double screw extruder within the temperature range of 140 DEG C～200 DEG C (75 mm dias, draw ratio L/D is 64) are sufficiently mixed 10 minutes, its Temperature Distribution is 140 DEG C, 145 DEG C, 150 DEG C, 170 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 195 DEG C, 195 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, and 50 Rev/min rotating speed under, carry out body melt polymerization, through extrusion, import in water and carry out granulation underwater, thus obtain polyurethane Elastomer particles；The polyurethane elastomer granule obtained, vacuum drying 32 hours at a temperature of 80 DEG C～105 DEG C, afterwards, The polyurethane elastomer granule being dried obtained is produced TPU film by extrusion, curtain coating, blowing.
Embodiment 3
Choose PolyTHF (PTMG) and poly-adipic acid-BDO esterdiol (PBA), 4,4 '-diphenyl-methane two isocyanide Acid esters (MDI) (being heated to 65 DEG C), BDO (BDO) (being heated to 80 DEG C), make each component be in molten condition, poly-four In hydrogen furan and poly-adipic acid-BDO esterdiol (PBA) melting process, (mass ratio is 1:1:1:1's to add antioxidant 2,6 ditertiary butyl p cresol (BHT), antioxidant 1010, irgasfos 168, the mixture of antioxidant 245), carbodiimides and E Wax, wherein, antioxidant is 0.06:1000 with the mass ratio of PolyTHF, carbodiimides and the mass ratio of PolyTHF Mass ratio for 0.08:1000, E wax Yu PolyTHF is 0.06:1000；After metering system accurate measurement, molten The PolyTHF 0.3mol of state, poly-adipic acid-BDO esterdiol 0.7mol, 4,4 '-'-diphenylmethane diisocyanate 3.27mol and BDO 2.24mol is continuously into the barrel zone temperature double spiral shells within the temperature range of 140 DEG C～200 DEG C Bar extruder (75 mm dias, draw ratio L/D is 64) is sufficiently mixed 8 minutes, its Temperature Distribution is 140 DEG C, 145 DEG C, 150 DEG C, 170 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 195 DEG C, 195 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, and Under the rotating speed of 100 revs/min, carry out body melt polymerization, through extrusion, import in water and carry out granulation underwater, thus obtain Polyurethane elastomer granule；The polyurethane elastomer granule obtained, at a temperature of 80 DEG C～105 DEG C, it is vacuum dried 24 little Time, afterwards, the polyurethane elastomer granule being dried obtained is produced TPU film by extrusion, curtain coating, blowing.
Embodiment 4
Choose PolyTHF (PTMG), 4,4 '-'-diphenylmethane diisocyanate (MDI) (being heated to 65 DEG C), BDO (BDO) (it is heated to 80 DEG C), makes each component be in molten condition, in PolyTHF melting process, add antioxidant (quality Than being the 2,6 ditertiary butyl p cresol (BHT) of 1:1 and the mixture of antioxidant 1010), carbodiimides and E wax, wherein, resist Oxygen agent is 0.08:1000 with the mass ratio of PolyTHF, and carbodiimides is 0.06 with the mass ratio of PolyTHF: 1000, E waxes are 0.075:1000 with the mass ratio of PolyTHF；After metering system accurate measurement, gathering of molten condition Oxolane 1mol, 4,4 '-'-diphenylmethane diisocyanate 3.24mol and BDO 2.25mol is continuously into machine barrel In temperature double screw extruder (75 mm dias, draw ratio L/D is 64) within the temperature range of 140 DEG C～200 DEG C fully Mix 6 minutes, its Temperature Distribution is 140 DEG C, 145 DEG C, 150 DEG C, 170 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 195 DEG C, 195 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, 180 DEG C, and under the rotating speed of 120 revs/min, carry out body melt polymerization, warp Cross extrusion, import in water and carry out granulation underwater, thus obtain polyurethane elastomer granule；The polyurethane elastomer obtained Grain, is vacuum dried at a temperature of 80 DEG C～105 DEG C 20 hours, afterwards, is led to by the polyurethane elastomer granule being dried obtained Crossing extrusion, curtain coating, blowing produces TPU film.
Producing the stability detecting it during TPU film, 1 be shown in Table for the performance of TPU film and index:
Table 1
Note: this index is that laboratory records.
The TPU film that the method produces, has the performances such as excellent heat resistance and elastic recovery.
These are only the specific embodiment of the present invention, be not limited to the present invention, for those skilled in the art For Yuan, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, Equivalent, improvement etc., should be included within the scope of the present invention.

Claims (6)

1. a preparation method for heat resistant type TPU film, is characterized in that: comprise the concrete steps that:
With component A, organic diisocyanate and little molecule glycol as raw material, described component A be polyether polyol and/or polyester many Unit's alcohol, heats respectively, makes each raw materials melt, in component A melting process, adds antioxidant, carbodiimides and E wax, described Antioxidant is at least two in 2,6 ditertiary butyl p cresol (BHT), antioxidant 1010, irgasfos 168, antioxidant 245 Mixture, wherein, antioxidant is 0.1:1000～0.05:1000 with the mass ratio of component A；Then with organic diisocyanate, Little molecule glycol is sufficiently mixed 2 minutes～10 minutes together in double screw extruder, and at a temperature of 140 DEG C～200 DEG C Carry out polymerisation in bulk, through extrusion, import and water carries out pelletize, generate elastomer particles, true at a temperature of 80 DEG C～105 DEG C Empty dry 16 hours～32 hours, then by extrusion, curtain coating, blowing production obtained TPU film.
The preparation method of heat resistant type TPU film the most according to claim 1, is characterized in that: described polyether polyol is poly- In oxolane (PTMG), polypropylene oxide glycol at least one；PEPA is poly-adipic acid glycol ester glycol (PEA), poly-adipic acid ethylene glycol and 1,2-propylene glycol esterdiol, poly-adipic acid-BDO esterdiol (PBA), poly-adipic acid one contract In diethylene glycol esterdiol (PDA), pla-pcl glycol, PCDL one or both.
The preparation method of heat resistant type TPU film the most according to claim 1, is characterized in that: described organic diisocyanate For: 4,4 '-'-diphenylmethane diisocyanate (MDI), toluene di-isocyanate(TDI) (TDI), XDI (XDI), 1, in 5-naphthalene diisocyanate (NDI), hexamethylene diisocyanate (HDI), PPDI (PPDI) A kind of or two kinds.
The preparation method of heat resistant type TPU film the most according to claim 1, is characterized in that: described little molecule glycol is second Glycol, propylene glycol, BDO (BDO), 1, at least one in 6-hexylene glycol, hydroquinone hydroxyethyl ether (HQEE).
The preparation method of heat resistant type TPU film the most according to claim 1, is characterized in that: described carbodiimides and group The mass ratio dividing A is 0.1:1000～0.05:1000；Described E wax is 0.1:1000～0.05:1000 with the mass ratio of component A.
The preparation method of heat resistant type TPU film the most according to claim 1, is characterized in that: component A, organic two Carbimide .s Ester, the proportioning of little molecule glycol meet following formula: 0.95≤b/ (a c)≤1.01；In formula: a-represents the molal quantity of component A；B-table Show the molal quantity of organic diisocyanate；C-represents the molal quantity of little molecule glycol.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679061A (en) * 2018-12-24 2019-04-26 山东一诺威聚氨酯股份有限公司 Thermoplastic polyurethane elastomer and preparation method thereof for flexible electrothermal membrane
CN110809591A (en) * 2017-06-26 2020-02-18 巴斯夫欧洲公司 thermoplastic polyurethane
CN112358726A (en) * 2020-11-27 2021-02-12 浙江长鸿纺织科技有限公司 Novel curtain coating coiling middle-permeation waterproof moisture-permeable TPU film

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1408768A (en) * 2001-09-30 2003-04-09 叶志成 Formulation of fully environment-friendly thermoplastic polyurethane (TPU) film and its calendering manufacturing method
CN101148494A (en) * 2007-10-26 2008-03-26 张勇 Method for producing urethane elastomer and application

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Application publication date: 20161116