CN109337077A - A kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer - Google Patents
A kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer Download PDFInfo
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/458—Block-or graft-polymers containing polysiloxane sequences containing polyurethane sequences
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
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- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl groups
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- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/10—Block or graft copolymers containing polysiloxane sequences
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Abstract
The invention discloses a kind of preparation methods of pectinate texture polysiloxane-polyurethane copolymer, it is that first prefabricated single-ended polyhydroxy blocks phenyl modified polysiloxanes and amino-terminated polysiloxanes, polyisocyanates is reused successively to be reacted with polyalcohol and aforementioned two kinds of modified polyorganosiloxanes, again through chain extension to get arrive pectinate texture polysiloxane-polyurethane copolymer.Polymer prepared by the present invention has both the advantages of polyurethane and polysiloxanes, on the one hand has the mechanical and physical performances such as good caking property, adhesion, wearability, extensibility, enables integral material applications well in all kinds of surface and interface occasions；On the other hand the thermal stability and weatherability of polymer entirety are enhanced, products application range is expanded, makes it that there is excellent application prospect in fields such as release agent, coating and sealants.
Description
Technical field
The invention belongs to modified polyurethane synthesis technical field, in particular to a kind of pectinate texture polysiloxane-polyurethane is total
The preparation method of polymers.
Background technique
Organosilicon material by Si-O-Si main chain and organic side chain special molecular structure and form, it is existing excellent resistance to
The series excellent characteristics such as hot oxidative resistance, cold resistance, low ultraviolet ray absorption, electrical insulating property, weatherability, corrosion resistance, simultaneously also
The features such as providing high resiliency, plasticity, bio-compatibility is known as " the industrial monosodium glutamate " of modern industry and science and technology, still
Lower polarity, cause with other organic materials compatibility it is lower, which has limited its applications in many fields.
Polyurethane is a kind of high molecular polymer fast-developing in recent years, contains alternate soft, hard chain in strand
Section, so that its aggregated structure is heterogeneous structure, which dictates that adhesion, wearability, flexibility etc. that polyurethane material is excellent
Mechanical property, however single polyurethane material equally exist heat resistance, in terms of weatherability the shortcomings that.
Using organosilicon and the respective structure of two kinds of components of polyurethane and performance characteristics, and by reasonably designing to prepare
Polysiloxane-polyurethane copolymer can be realized the mutual supplement with each other's advantages of the two, promote effective breakthrough of material property.Numerous scholars and
Technical staff has carried out important and beneficial research and exploration in this regard.
Chinese patent CN104387546A disclose a kind of phenyl organic silicon modified polyurethane resin and preparation method thereof and
Using it is that one kind is gathered as hydroxyl/amino-terminated methyl phenyl silicone with linear structure made of di-isocyanate reaction
Object is closed, the introducing of phenyl can act synergistically with organosilicon, improve the whole heat resistance of material, but due to the position of introduced phenyl
It sets close to backbone silicon atoms, largely weakens the expression of polysiloxanes segment flexibility, and cannot completely embody organosilicon
Modified structure and performance advantage.
Chinese patent CN106565933A discloses a kind of preparation method of silicone thermoplastic's polyurethane, and this method will contain
There are macromolecular organosilicon, other macromoleculars containing active hydrogen, the di-isocyanate reaction of active hydrogen to obtain isocyanate-terminated pre-
Aggressiveness, then it is poured curing after mixing with small molecule chain extender, it has obtained with excellent mechanical performances, hydrophobicity and lower temperature resistance
Silicone thermoplastic's polyurethane, but its straight chain type, without side group protection molecular structure heat-resisting effect is poor in a high temperauture environment.
Chinese patent CN103834038A discloses a kind of system of pectination organic silicon modified polyurethane grafting EVA water-based emulsion
Preparation Method, it is grafted with isocyanate terminated cation polyurethane and acrylamide copolymer emulsion, then is hydrolyzed with organosilan
Object is modified, the hydrolysis for obtaining having both the product of EVA resin, polyurethane and polysiloxanes, but passing through silane coupling agent
Organosilicon is introduced, is formed by organosilicon accounting very little in molecular structure, while organosilicon is fully located at the end of graft
End, thus it is relatively limited for the help of polymer body performance.
Summary of the invention
It is an object of the invention to for organosilicon material poor compatibility and polyurethane material are heat-resisting, resistance in the prior art
The problem for waiting performance deficiency, provides a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer, which has pole
Good temperature tolerance, weatherability make it have excellent application prospect in fields such as release agent, coating and sealants.
The present invention is achieved by the following technical solutions:
A kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer, includes the following steps:
(1) pentamethyl disiloxane is mixed with phenyl siloxane ring body, the sulfuric acid of catalytic amount is added, be heated to 40-70 DEG C instead
It answers 4-8 hours, is filtered after excess bicarbonate neutralizes, then glycerine is added into filtrate, react 1-2 at 100-120 DEG C
Hour, it obtains single-ended polyhydroxy and blocks phenyl modified polysiloxanes；
(2) methylsiloxane ring body is mixed with amino double-seal head, the sulfuric acid of catalytic amount is added, be heated to 40-70 DEG C of reaction 4-
It 8 hours, is filtered after excess bicarbonate neutralizes, obtains amino-terminated polysiloxanes；
(3) polyisocyanates being mixed with polyalcohol, the rear catalyst that is added reacts 1.5-3.5 hours at 60-80 DEG C, then plus
Enter the single-ended polyhydroxy that step (1) is prepared block phenyl modified polysiloxanes and step (2) be prepared it is amino-terminated
Polysiloxanes, and butanone dilution is added, the reaction was continued 2-4 hours；
(4) chain extender is added in the solution after step (3) reaction, controls reaction 0.5-1.5 hours of 30-60 DEG C of temperature, obtains
Pectinate texture polysiloxane-polyurethane copolymer；
Wherein, polyisocyanates is selected from aliphatic, one kind of alicyclic, aromatic series, araliphatic polyisocyanate of degree of functionality >=2
Or it is several；Chain extender is selected from the chain extender with hydroxyl or amido, and degree of functionality is 2 to 4；Catalyst is selected from tertiary amine catalyst or has
Machine acid metal compound catalyst.
The technical solution that the present invention further solves is that the phenyl siloxane ring body in the step (1) includes tetramethyl
Any one of tetraphenyl cyclotetrasiloxane, octaphenylcyclotetrasiloxane, trimethyl triphenyl cyclotrisiloxane.
The technical solution that the present invention further solves is that the methylsiloxane ring body in the step (2) includes prestox
Any one of cyclotetrasiloxane, decamethylcyclopentaandoxane and dimethyl siloxane mixed methylcyclosiloxane.
The technical solution that the present invention further solves is that the amino double-seal head in the step (2) includes bis- (the 3- ammonia of 1,3-
Base propyl) -1,1,3,3- tetramethyl disiloxane, bis- (4- aminobutyl) tetramethyl disiloxanes of 1,3- and the bis- (4- of 1,3-
Any one of aminoisobutyric base) tetramethyl disiloxane.
The technical solution that the present invention further solves is that the polyisocyanates in the step (3) includes toluene diisocyanate
Acid esters, hexamethylene diisocyanate, diphenylmethylene diisocyanate, isophorone diisocyanate, dicyclohexyl first
Alkane diisocyanate, phenylene diisocyanate, biphenyl diisocyanate, benzene dimethylene diisocyanate, toluene diisocynate
Any one of ester tripolymer and tetramethylene diisocyanate.
The technical solution that the present invention further solves is that the polyalcohol in the step (3) includes polyester polyol, polyethers
Any one of polyalcohol, blocked polyether polyol, polycarbonate polyol and polyurethane polyol.
The technical solution that the present invention further solves is that the polyalcohol is polycaprolactone glycol, polyethylene glycol, gathers own carbon
Any one of acid esters glycol and polypropylene glycol.
The technical solution that the present invention further solves is, the catalyst in the step (3) include triethylenediamine, it is double-
Any one of (3- dimethyl propylene amino) amine, three (dimethylaminopropyl) amine and N, N- dimethyl benzylamine.
The technical solution that the present invention further solves is that the chain extender in the step (4) includes ethylenediamine, Isosorbide-5-Nitrae-fourth two
Amine, hexamethylene diamine, hexamethylene dimethylamine, isophorone diamine, ethylene glycol, 1,4- butanediol, cyclohexanedimethanol, methyl propanediol, water
Close hydrazine, dimethylolpropionic acid, dihydromethyl propionic acid, dihydroxy half ester, second diamino ethanesulfonic acid sodium, 1,4- butanediol -2- sulfonic acid
Sodium and its derivative, diethanol amine, dimethylethanolamine, N methyldiethanol amine, N- ethyldiethanolamine and N- propyl two
Any one of ethanol amine.
The technical solution that the present invention further solves is, the pentamethyl disiloxane, phenyl siloxane ring body, the third three
Alcohol, methylsiloxane ring body, amino double-seal head, polyisocyanates, polyalcohol and chain extender molar ratio be 1: (2-5):
(0.9-1.1) : (2-10) : (0.5-2) : (2-4) : (0.5-1) : (0.2-0.4)。
The invention has the benefit that
(1) polyurethane portion in main polymer chain prepared by the present invention has a large amount of carbamate groups isopolarity base
Group, can be combined with various components by chemical bond or intermolecular force, and with good caking property, adhesion,
The mechanical and physical performances such as wearability, extensibility enable integral material applications well in all kinds of surface and interface occasions.
(2) polysiloxane fraction in main polymer chain prepared by the present invention, with polyurethane portion in the form of block copolymerization
It combines, imparts the good heat resistance of main polymer chain, weatherability, hydrophobicity, effectively compensate for single polyurethane material
Performance deficiency.
(3) the phenyl modified polysiloxane fraction in polymer lateral chain prepared by the present invention, due to after phenyl modified with it is poly-
Urethane solubility parameter difference reduces, and can be effectively improved phenomenon of phase separation, and further enhance the heat of polymer entirety
Stability and weatherability expand products application range, have it in fields such as release agent, coating and sealants excellent
Application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pectinate texture polysiloxane-polyurethane copolymer made from the embodiment of the present invention.
Specific embodiment
Summary of the invention of the invention is further described with reference to the accompanying drawings and examples.
Embodiment 1
14.8g pentamethyl disiloxane is mixed with 109.0g tetramethyl tetraphenyl cyclotetrasiloxane, 2000ppm sulfuric acid is added,
It is heated to 60 DEG C to react 4 hours, be filtered after excess bicarbonate neutralizes, then 9.2g glycerine is added into filtrate, 100 DEG C anti-
It answers 1 hour, it is stand-by to obtain the phenyl modified polysiloxanes of single-ended polyhydroxy sealing end；
59.3g octamethylcy-clotetrasiloxane and bis- (3- the aminopropyl) -1,1,3,3- tetramethyl disiloxanes of 12.5g1,3- is mixed
It closes, 2000ppm sulfuric acid is added, be heated to 60 DEG C and react 6 hours, filtered after sodium bicarbonate neutralizes, obtain amino-terminated poly- silicon
Oxygen alkane is stand-by；
34.8g toluene di-isocyanate(TDI) is mixed with the polycaprolactone glycol that 50.0g molecular weight is 1000, tri- second of 100ppm is added
Diamines is supportted, is reacted 3.5 hours in 60 DEG C, above-mentioned obtained single-ended polyhydroxy is added and blocks phenyl modified polysiloxanes and ammonia
Base terminated polysiloxane, and 100g butanone is added and is diluted, the reaction was continued 4 hours；1.2g ethylenediamine, control temperature is then added
Degree reacts 1.5 hours at 30 DEG C, obtains pectinate texture polysiloxane-polyurethane copolymer.
Embodiment 2
14.8g pentamethyl disiloxane is mixed with 396.7g octaphenylcyclotetrasiloxane, 2000ppm sulfuric acid is added, is heated to
70 DEG C are reacted 8 hours, are filtered after excess bicarbonate neutralizes, then 9.2g glycerine is added into filtrate, and 120 DEG C of reactions 2 are small
When, it is stand-by to obtain the phenyl modified polysiloxanes of single-ended polyhydroxy sealing end；
By 148.3g dimethyl siloxane mixed methylcyclosiloxane and bis- two silicon of (3- aminobutyl) -1,1,3,3- tetramethyl of 55.2g1,3-
The mixing of oxygen alkane, is added 2000ppm sulfuric acid, is heated to 40 DEG C and reacts 8 hours, filters after sodium bicarbonate neutralizes, and obtains amino envelope
Hold polysiloxanes stand-by；
The polyethylene glycol that 67.3g hexamethylene diisocyanate and 40.0g molecular weight are 400 mix, addition 200ppm is bis--
(3- dimethyl propylene amino) amine reacts 2.5 hours in 70 DEG C, and it is phenyl modified to add above-mentioned obtained single-ended polyhydroxy sealing end
Polysiloxanes and amino-terminated polysiloxanes, and 200g butanone is added and is diluted, the reaction was continued 3 hours；Then it is added
3.5g1,4- butanediamine, control temperature are reacted 0.5 hour at 60 DEG C, obtain pectinate texture polysiloxane-polyurethane copolymer.
Embodiment 3
14.8g pentamethyl disiloxane is mixed with 163.5g trimethyl triphenyl cyclotrisiloxane, 2000ppm sulfuric acid is added,
It is heated to 40 DEG C to react 6 hours, be filtered after excess bicarbonate neutralizes, then 9.2g glycerine is added into filtrate, 110 DEG C anti-
It answers 1 hour, it is stand-by to obtain the phenyl modified polysiloxanes of single-ended polyhydroxy sealing end；
By 222.3g decamethylcyclopentaandoxane and 27.7g1, bis- (4- aminobutyl) the tetramethyl disiloxane mixing of 3- are added
2000ppm sulfuric acid is heated to 70 DEG C and reacts 4 hours, filters after sodium bicarbonate neutralizes, obtain amino-terminated polysiloxanes and wait for
With；
75.2g diphenylmethylene diisocyanate is mixed with the own carbonate diol that gathers that 80.0g molecular weight is 1000, is added
200ppm tri- (dimethylaminopropyl) amine reacts 1.5 hours in 80 DEG C, adds above-mentioned obtained single-ended polyhydroxy sealing end phenyl
Modified polyorganosiloxane and amino-terminated polysiloxanes, and 200g butanone is added and is diluted, the reaction was continued 2 hours；Then it is added
3.2g diethanol amine, control temperature are reacted 1 hour at 50 DEG C, obtain pectinate texture polysiloxane-polyurethane copolymer.
Embodiment 4
14.8g pentamethyl disiloxane is mixed with 218.0g tetramethyl tetraphenyl cyclotetrasiloxane, 2000ppm sulfuric acid is added,
It is heated to 60 DEG C to react 4 hours, be filtered after excess bicarbonate neutralizes, then 10.1g glycerine is added into filtrate, 100 DEG C
It is stand-by to obtain the phenyl modified polysiloxanes of single-ended polyhydroxy sealing end for reaction 1 hour；
237.2g dimethyl siloxane mixed methylcyclosiloxane and bis- (the 4- aminoisobutyric base) tetramethyl disiloxanes of 19.9g1,3- is mixed
It closes, 2000ppm sulfuric acid is added, be heated to 60 DEG C and react 6 hours, filtered after sodium bicarbonate neutralizes, obtain amino-terminated poly- silicon
Oxygen alkane is stand-by；
55.6g isophorone diisocyanate is mixed with the polyethylene glycol that 45.0g molecular weight is 600,100ppm N, N- is added
Dimethyl benzylamine reacts 3.5 hours in 60 DEG C, adds above-mentioned obtained single-ended polyhydroxy and blocks phenyl modified polysiloxanes
With amino-terminated polysiloxanes, and 200g butanone is added and is diluted, the reaction was continued 4 hours；6.8g isophorone is then added
Diamines, control temperature are reacted 1.5 hours at 30 DEG C, obtain pectinate texture polysiloxane-polyurethane copolymer.
Embodiment 5
14.8g pentamethyl disiloxane is mixed with 198.4g octaphenylcyclotetrasiloxane, 2000ppm sulfuric acid is added, is heated to
70 DEG C are reacted 8 hours, are filtered after excess bicarbonate neutralizes, then 8.8g glycerine is added into filtrate, and 120 DEG C of reactions 2 are small
When, it is stand-by to obtain the phenyl modified polysiloxanes of single-ended polyhydroxy sealing end；
By 109.0g decamethylcyclopentaandoxane and bis- (3- the aminobutyl) -1,1,3,3- tetramethyl disiloxanes of 27.6g1,3-
2000ppm sulfuric acid is added in mixing, is heated to 40 DEG C and reacts 8 hours, filters after sodium bicarbonate neutralizes, and obtains amino-terminated poly-
Siloxanes is stand-by；
105.0g dicyclohexyl methyl hydride diisocyanate is mixed with 100.0g polypropylene glycol 2000, tri- ethylene two of 100ppm is added
Amine reacts 2.5 hours in 70 DEG C, adds above-mentioned obtained single-ended polyhydroxy and blocks phenyl modified polysiloxanes and amino envelope
Polysiloxanes is held, and 200g butanone is added and is diluted, the reaction was continued 3 hours；2.6g dihydromethyl propionic acid, control is then added
Temperature is reacted 0.5 hour at 60 DEG C, obtains pectinate texture polysiloxane-polyurethane copolymer.
As shown in Figure 1, in polysiloxane-polyurethane copolymer chain be polyurethane portion and polysiloxane fraction, the two with
Block copolymerization form combines；It is phenyl modified polysiloxane fraction on side chain, collectively constitutes pectinate texture with main chain.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (10)
1. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer, which comprises the steps of:
(1) pentamethyl disiloxane is mixed with phenyl siloxane ring body, the sulfuric acid of catalytic amount is added, be heated to 40-70 DEG C instead
It answers 4-8 hours, is filtered after excess bicarbonate neutralizes, then glycerine is added into filtrate, react 1-2 at 100-120 DEG C
Hour, it obtains single-ended polyhydroxy and blocks phenyl modified polysiloxanes；
(2) methylsiloxane ring body is mixed with amino double-seal head, the sulfuric acid of catalytic amount is added, be heated to 40-70 DEG C of reaction 4-
It 8 hours, is filtered after excess bicarbonate neutralizes, obtains amino-terminated polysiloxanes；
(3) polyisocyanates being mixed with polyalcohol, the rear catalyst that is added reacts 1.5-3.5 hours at 60-80 DEG C, then plus
Enter the single-ended polyhydroxy that step (1) is prepared block phenyl modified polysiloxanes and step (2) be prepared it is amino-terminated
Polysiloxanes, and butanone dilution is added, the reaction was continued 2-4 hours；
(4) chain extender is added in the solution after step (3) reaction, controls reaction 0.5-1.5 hours of 30-60 DEG C of temperature, obtains
Pectinate texture polysiloxane-polyurethane copolymer.
2. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
In, the phenyl siloxane ring body in the step (1) include tetramethyl tetraphenyl cyclotetrasiloxane, octaphenylcyclotetrasiloxane,
Any one of trimethyl triphenyl cyclotrisiloxane.
3. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
In the methylsiloxane ring body in the step (2) includes octamethylcy-clotetrasiloxane, decamethylcyclopentaandoxane and diformazan
Any one of radical siloxane mixed methylcyclosiloxane.
4. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
In, amino double-seal head in the step (2) include bis- (the 3- aminopropyls) -1 of 1,3-, 1,3,3- tetramethyl disiloxane, 1,
Any in bis- (4- aminobutyl) tetramethyl disiloxanes of 3- and bis- (the 4- aminoisobutyric base) tetramethyl disiloxanes of 1,3-
Kind.
5. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
In the polyisocyanates in the step (3) includes toluene di-isocyanate(TDI), hexamethylene diisocyanate, diphenyl methylene
Group diisocyanate, isophorone diisocyanate, dicyclohexyl methyl hydride diisocyanate, phenylene diisocyanate, biphenyl two
In isocyanates, benzene dimethylene diisocyanate, toluene diisocyanate trimer and tetramethylene diisocyanate
It is any.
6. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
It include that polyester polyol, polyether polyol, blocked polyether polyol, polycarbonate are more in, the polyalcohol in the step (3)
Any one of first alcohol and polyurethane polyol.
7. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 6, feature exist
It is polycaprolactone glycol, polyethylene glycol, any one of gathers own carbonate diol and polypropylene glycol in, the polyalcohol.
8. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
In the catalyst in the step (3) includes triethylenediamine, double-(3- dimethyl propylene amino) amine, three (dimethylaminopropyl) amine
And any one of N, N- dimethyl benzylamine.
9. a kind of preparation method of pectinate texture polysiloxane-polyurethane copolymer according to claim 1, feature exist
In, the chain extender in the step (4) include ethylenediamine, Putriscine, hexamethylene diamine, hexamethylene dimethylamine, isophorone diamine,
Ethylene glycol, 1,4- butanediol, cyclohexanedimethanol, methyl propanediol, hydrazine hydrate, dimethylolpropionic acid, dihydromethyl propionic acid, dihydroxy
Base half ester, second diamino ethanesulfonic acid sodium, 1,4- butanediol -2- sodium sulfonate and its derivative, diethanol amine, dimethylethanolamine,
Any one of N methyldiethanol amine, N- ethyldiethanolamine and N- propyl diethanol amine.
10. -9 described in any item a kind of preparation methods of pectinate texture polysiloxane-polyurethane copolymer according to claim 1,
It is characterized in that, the double envelopes of the pentamethyl disiloxane, phenyl siloxane ring body, glycerine, methylsiloxane ring body, amino
Head, polyisocyanates, polyalcohol and chain extender molar ratio be 1: (2-5): (0.9-1.1): (2-10):
(0.5-2) : (2-4) : (0.5-1) : (0.2-0.4)。
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| CN201811205741.8A CN109337077B (en) | 2018-10-17 | 2018-10-17 | Preparation method of comb-structure organic silicon-polyurethane copolymer |
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| CN201811205741.8A CN109337077B (en) | 2018-10-17 | 2018-10-17 | Preparation method of comb-structure organic silicon-polyurethane copolymer |
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| CN109337077A true CN109337077A (en) | 2019-02-15 |
| CN109337077B CN109337077B (en) | 2021-04-13 |
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| CN201811205741.8A Active CN109337077B (en) | 2018-10-17 | 2018-10-17 | Preparation method of comb-structure organic silicon-polyurethane copolymer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951030A (en) * | 2019-12-11 | 2020-04-03 | 上海华峰超纤科技股份有限公司 | Low-temperature-resistant and wear-resistant non-yellowing polyurethane resin and superfine fiber synthetic leather prepared from same |
| CN111621182A (en) * | 2020-05-27 | 2020-09-04 | 中国船舶重工集团公司第七二五研究所 | Connecting coating matched with fouling release type antifouling paint and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090326147A1 (en) * | 2006-09-20 | 2009-12-31 | Mitsui Chemicals Polyurethanes, Inc. | Aqueous polyurethane resin |
| CN104387546A (en) * | 2014-12-17 | 2015-03-04 | 武汉大学 | Phenyl organic silicon modified polyurethane resin, preparation method and application thereof |
| CN108129636A (en) * | 2017-12-19 | 2018-06-08 | 传化智联股份有限公司 | A kind of preparation method of amphipathic pectinate texture polysiloxane-polyurethane graft copolymer |
| CN108219146A (en) * | 2017-12-25 | 2018-06-29 | 山东大学 | A kind of organic-silicon-modified polyureas（Polyurethane）Elastomer and preparation method thereof |
-
2018
- 2018-10-17 CN CN201811205741.8A patent/CN109337077B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090326147A1 (en) * | 2006-09-20 | 2009-12-31 | Mitsui Chemicals Polyurethanes, Inc. | Aqueous polyurethane resin |
| CN104387546A (en) * | 2014-12-17 | 2015-03-04 | 武汉大学 | Phenyl organic silicon modified polyurethane resin, preparation method and application thereof |
| CN108129636A (en) * | 2017-12-19 | 2018-06-08 | 传化智联股份有限公司 | A kind of preparation method of amphipathic pectinate texture polysiloxane-polyurethane graft copolymer |
| CN108219146A (en) * | 2017-12-25 | 2018-06-29 | 山东大学 | A kind of organic-silicon-modified polyureas（Polyurethane）Elastomer and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951030A (en) * | 2019-12-11 | 2020-04-03 | 上海华峰超纤科技股份有限公司 | Low-temperature-resistant and wear-resistant non-yellowing polyurethane resin and superfine fiber synthetic leather prepared from same |
| CN110951030B (en) * | 2019-12-11 | 2021-11-05 | 上海华峰超纤科技股份有限公司 | Low-temperature-resistant and wear-resistant non-yellowing polyurethane resin and superfine fiber synthetic leather prepared from same |
| CN111621182A (en) * | 2020-05-27 | 2020-09-04 | 中国船舶重工集团公司第七二五研究所 | Connecting coating matched with fouling release type antifouling paint and preparation method thereof |
| CN111621182B (en) * | 2020-05-27 | 2021-11-16 | 中国船舶重工集团公司第七二五研究所 | Connecting coating matched with fouling release type antifouling paint and preparation method thereof |
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| CN109337077B (en) | 2021-04-13 |
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