CN108276763A - A kind of PU for vehicle glass exempts from the formula of primary coat bound edge and the preparation method of bound edge - Google Patents
A kind of PU for vehicle glass exempts from the formula of primary coat bound edge and the preparation method of bound edge Download PDFInfo
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- CN108276763A CN108276763A CN201810119916.7A CN201810119916A CN108276763A CN 108276763 A CN108276763 A CN 108276763A CN 201810119916 A CN201810119916 A CN 201810119916A CN 108276763 A CN108276763 A CN 108276763A
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- 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
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3271—Hydroxyamines
- C08G18/3275—Hydroxyamines 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
- C08G18/48—Polyethers
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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
- C08G18/6677—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 having at least three hydroxy groups
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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
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of PU for vehicle glass to exempt from the formula of primary coat bound edge and the preparation method of bound edge, and the formula of the bound edge is blended by the raw material of following component and weight proportion：Diisocyanate 52~58, polyether polyol 85~100, antioxidant 1~3, catalyst 0.2~0.5, fire retardant 0.3~0.5, crosslinking agent 0.3~0.6, stabilizer 1~3, interfacial agent 1~2, silane coupling agent 5~10, colorant 0.5~1.The present invention also provides preparation methods.The present invention exempts from the formula components of primary coat bound edge by rationally changing PU, it is used in the preparation process of the PU bound edges of vehicle glass and exempts primary coat coating process, while saving production cost, improve production efficiency, make the injury that will not be contained highly reactive poisonous and harmful combustible material when operation in basecoat material again, improves the production environment of enterprise's workshop.
Description
Technical field：
The present invention relates to a kind of PU for vehicle glass to exempt from the formula of primary coat bound edge and the preparation method of bound edge.
Background technology：
In early days, automobile manufacturing enterprise assembles the bound edge of forming using with adhesive and fastener on vehicle window bound edge
Method on glass for vehicle window, technics comparing is cumbersome, and the operating time is long, low production efficiency.The early 1990s, foreign countries start
Reaction injection molding (RIM) technology is introduced to the production of vehicle window bound edge, it is by the isocyanates of low viscosity high activity and polynary
Alkoxide component is mixed through high-pressure impingement, while being rapidly injected and being put well in the mold of glass for vehicle window in advance, the passing through in mold cavity
Reaction and phase separation rapid curing are learned, forms PU bound edges at glass for vehicle window edge, technique collection liquid conveying, metering, impact are mixed
Close, fast reaction be molded as one, have be swift in response, short molding cycle, cycle and ejection pressure are low, formula adjustable extent
Greatly, the features such as production efficiency is high simplifies traditional operating procedure, shortens the operating time, production efficiency is made to greatly improve.Together
When, the bound edge is specious, good mechanical performance, has fabulous bonding force to glass, can improve the sealing of automobile well
Performance and product specification.Therefore, this technology is once using just rapidly instead of traditional handicraft.
But, it is contemplated that the adhesive strength between PU bound edges and glass, generally all can PU bound edges carry out injection-molding edge at
Before type, primary coat is coated in glass surface, concrete operations process includes：Glass activation, glass apply primary coat and primary coat activates three big works
Sequence, this process is equivalent to traditional asphalt waterproof construction brushing adhesive bitument primer prevents waterproof coating the purpose is to separate base's moisture
It plays drum to be detached from, reinforces base, improve the adhesion strength of film and base, prevent coating from the defects of needle stomata occur.Thus will
The process for increasing coating primer using cumbersome and improve use cost indirectly, and also has the disadvantages that：(1) primary coat
Material is usually the larger adhesive of the viscosity such as isocyanates, and coating operation is difficult to carry out, and there is also holiday risks, such as " L "
The easy coating of type bound edge is not in place, leads to imperfect bonding；(2) basecoat material is coated on glass, and large area, which is sprawled, is exposed to sky
In gas, isocyanates is active chemical reagent, easily reacts and fails with the water in air, and primary coat exposes the time in air
Longer, the risk of failure is bigger, and then influences the adhesive effect between glass and polyurethane elastomer, and the production for influencing product is steady
It is qualitative, increase production cost；(3) contain highly reactive poisonous and harmful combustible material, such as isocyanates in basecoat material
Or volatile class organic solvent, when operation, must wear safeguard, be also easy to produce in long-term mating safeguard work tired
Labor, it is more that worker does not like wearing complaint.Meanwhile workshop need to be aerated to ensure the air flow property of workshop, it reduces
Harmful substance contents in air in workshop.
Invention content：
The present invention is the problems of above-mentioned in order to solve, and provides a kind of PU for vehicle glass and exempts from primary coat bound edge
Formula and bound edge preparation method, can exempt automobile glass encapsulation injection molding before primary coat coating process, and ensure PU bound edges with
Adhesive strength between glass.
The present invention solves technical problem and uses following scheme：
A kind of PU for vehicle glass exempts from the formula of primary coat bound edge, which is characterized in that by following component and weight proportion
Raw material be blended：
Wherein,
The diisocyanate is methyl diphenylene diisocyanate (MDI) or isophorone diisocyanate
(IPDI)。
Wherein, the silane coupling agent is amino silane or hydrosulphonyl silane.It studies basecoat material bonding mechanism and shows primary coat
Material contains silane coupling agent, and silane coupling agent is containing active-OR groups and-NH2 groups, activity-OR bases on silane coupling agent
Group is first hydrolyzed to obtain-OH groups and the-SiOH group dehydrations on glass, and on silane coupling agent-NH2 groups easily with
- OCN groups react on PU bound edge materials, form bridge joint, and realization glass is effective bonding with PU bound edge materials.
Wherein, the catalyst is selected from amines catalyst, dimethyl cyclohexyl amine, triethylenediamine, tetramethyl alkylidene
One kind in diamines or dimethylbenzyl.To accelerate the speed of polyurethane reaction, while it can balance and control and is different in the process
Competitive reaction.
Wherein, the fire retardant is triethylamine or melamine.The PU bound edge products tool that addition fire retardant can allow
There is anti-flammability, increases the safety fire fighting function of PU bound edge products.
Wherein, the crosslinking agent is diethanol or pentaerythrite.The line that the molecule knot of high molecular material is grown just as a rule,
Intensity is low when not being crosslinked, and easily breaks, and without elasticity, and the effect of crosslinking agent is exactly to generate chemical bond between the molecule of line style,
So that linear molecule is connected with each other, form reticular structure, improve the intensity and elasticity of rubber in this way, to promote the production of PU bound edges
The mechanical performance of product.
Wherein, the stabilizer selects silicon stabilizer PU-1251.PU-1251 dedicated for polyurethane flexible foam silicon
Stabilizer, the product give good abscess regulation performance, and very high stability, and it is close can be suitable for very wide foam
Spend range.
Wherein, the antioxidant is Hinered phenols antioxidant IRGANOX1010, IRGANOX1076 or IRGANOX1790
In one kind.Hinered phenols antioxidant can be effectively prevented thermal oxidative degradation of polymer material during long-term ageing, together
When be also a kind of efficient processing stabilizers, discoloration-resistant of polymer material under the conditions of high temperature process can be improved.
Wherein, the interfacial agent is polysiloxanes or dimethyl silicone polymer.It lives on the surface that PU bound edges can be improved
Property, contribute to bonding between glass.
A kind of PU for vehicle glass exempts from the preparation method of primary coat bound edge, which is characterized in that this method includes following step
Suddenly：
(1) it stocks up according to following components and content (parts by weight)：
Wherein,
The diisocyanate is methyl diphenylene diisocyanate (MDI) or isophorone diisocyanate
(IPDI)；
(2) polyether polyol of required number is taken to be added in the storage tank A of high-pressure injection machine by formula, then in storing
Fire retardant, crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant are added in tank A successively, 95
~125 DEG C, pressure be 300~800KPa under conditions of stir to get mixed solution, then by storage temperature be set as 20 DEG C~
40℃；
(3) diisocyanate of required number is taken to be added in the storage tank B of high-pressure injection machine by formula, it then will storage
Temperature setting is -10 DEG C~40 DEG C；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is passed through into the metering pump in RIM units
It is delivered to mixing head, collisional mixing is carried out under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, is reinjected in advance
It is placed with reaction sizing in the injection mold of glass, wherein mold temperature is set as 80~105 DEG C, molds, waits for after curing 30~80S
It is cooled to room temperature rear pickup, finally obtains the PU bound edges being coated on glass edge.
The present invention has the advantages that due to taking above-mentioned technical proposal：
1, the present invention exempts from the formula components of primary coat bound edge by rationally changing PU, is used in the system of the PU bound edges of vehicle glass
Exempt primary coat during standby and coat process, while saving production cost, improves production efficiency, ensure production
Stability makes the injury that will not be contained highly reactive poisonous and harmful combustible material when operation in basecoat material again,
Worker no longer needs to wear safeguard, improves the production environment of enterprise's workshop.
2, in preparation process, there is preparation method simplicity, the spy it is not necessary that existing process equipment, low production cost is transformed
Point.
Specific implementation mode：
The present invention is further explained in the light of specific embodiments.
Embodiment 1
A kind of PU for vehicle glass exempts from the preparation method of primary coat bound edge, and this approach includes the following steps：
(1) it stocks up according to following components and content (parts by weight)：
| Component | Parts by weight |
| Diisocyanate MDI | 56 |
| Polyether polyol | 100 |
| Antioxidant IRGANOX1010 | 3 |
| Catalyst triethylenediamine | 0.3 |
| Fire retardant triethylamine | 0.4 |
| Crosslinking agent diethanol amine | 0.5 |
| Stabilizer PU-1251 | 3 |
| Interfacial agent polyoxy silane | 2 |
| Silane coupling agent amino silane | 8 |
| Colorant black color | 1 |
(2) polyether polyol of required number is taken to be added in the storage tank A of high-pressure injection machine by formula, then in storing
Fire retardant, crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant are added in tank A successively, 95
~125 DEG C, pressure be 300~800KPa under conditions of stir to get mixed solution, then by storage temperature be set as 20 DEG C~
40℃；
(3) diisocyanate of required number is taken to be added in the storage tank B of high-pressure injection machine by formula, it then will storage
Temperature setting is -10 DEG C~40 DEG C；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is delivered to mixing by metering pump
Head carries out collisional mixing under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, reinjects and be placed with glass in advance
Reaction sizing in injection mold, wherein mold temperature are set as 80~105 DEG C, are molded after curing 30~80S, are cooled to room temperature
Pickup afterwards, the PU bound edges being coated on glass edge finally obtained.
Embodiment 2
A kind of preparation method of PU bound edges for vehicle glass, this approach includes the following steps：
(1) it stocks up according to following components and content (parts by weight)：
| Component | Parts by weight |
| Diisocyanate MDI | 52 |
| Polyether polyol | 85 |
| Antioxidant IRGANOX1076 | 3 |
| Catalyst triethylenediamine | 0.5 |
| Fire retardant triethylamine | 0.5 |
| Crosslinking agent diethanol amine | 0.6 |
| Stabilizer PU-1251 | 3 |
| Interfacial agent polyoxy silane | 2 |
| Silane coupling agent amino silane | 6 |
| Colorant black color | 0.5 |
(2) polyether polyol of required number is taken to be added in the storage tank A of high-pressure injection machine by formula, then in storing
Fire retardant, crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant are added in tank A successively, 95
~125 DEG C, pressure be 300~800KPa under conditions of stir to get mixed solution, then by storage temperature be set as 20 DEG C~
40℃；
(3) diisocyanate of required number is taken to be added in the storage tank B of high-pressure injection machine by formula, it then will storage
Temperature setting is -10 DEG C~40 DEG C；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is delivered to mixing by metering pump
Head carries out collisional mixing under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, reinjects and be placed with glass in advance
Reaction sizing in injection mold, wherein mold temperature are set as 80~105 DEG C, are molded after curing 30~80S, are cooled to room temperature
Pickup afterwards, the PU bound edges being coated on glass edge finally obtained.
Embodiment 3
A kind of preparation method of PU bound edges for vehicle glass, this approach includes the following steps：
(1) it stocks up according to following components and content (parts by weight)：
| Component | Parts by weight |
| Diisocyanate MDI | 58 |
| Polyether polyol | 90 |
| Antioxidant IRGANOX1790 | 3 |
| Catalyst dimethyl cyclohexyl amine | 0.4 |
| Flame-retardants melamine | 0.5 |
| Crosslinking agent pentaerythrite | 0.3 |
| Stabilizer PU-1251 | 3 |
| Interfacial agent polyoxy silane | 2 |
| Silane coupling agent amino silane | 7 |
| Colorant black color | 0.5 |
(2) polyether polyol of required number is taken to be added in the storage tank A of high-pressure injection machine by formula, then in storing
Fire retardant, crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant are added in tank A successively, 95
~125 DEG C, pressure be 300~800KPa under conditions of stir to get mixed solution, then by storage temperature be set as 20 DEG C~
40℃；
(3) diisocyanate of required number is taken to be added in the storage tank B of high-pressure injection machine by formula, it then will storage
Temperature setting is -10 DEG C~40 DEG C；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is delivered to mixing by metering pump
Head carries out collisional mixing under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, reinjects and be placed with glass in advance
Reaction sizing in injection mold, wherein mold temperature are set as 80~105 DEG C, are molded after curing 30~80S, are cooled to room temperature
Pickup afterwards, the PU bound edges being coated on glass edge finally obtained.
Embodiment 4
A kind of preparation method of PU bound edges for vehicle glass, this approach includes the following steps：
(1) it stocks up according to following components and content (parts by weight)：
| Component | Parts by weight |
| Diisocyanate MDI | 54 |
| Polyether polyol | 95 |
| Antioxidant IRGANOX1010 | 3 |
| Catalyst triethylenediamine | 0.4 |
| Fire retardant triethylamine | 0.4 |
| Crosslinking agent diethanol amine | 0.3 |
| Stabilizer PU-1251 | 3 |
| Interfacial agent dimethyl siloxane | 3 |
| Silane coupling agent amino silane | 8 |
| Colorant black color | 0.5 |
(2) polyether polyol of required number is taken to be added in the storage tank A of high-pressure injection machine by formula, then in storing
Fire retardant, crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant are added in tank A successively, 95
~125 DEG C, pressure be 300~800KPa under conditions of stir to get mixed solution, then by storage temperature be set as 20 DEG C~
40℃；
(3) diisocyanate of required number is taken to be added in the storage tank B of high-pressure injection machine by formula, it then will storage
Temperature setting is -10 DEG C~40 DEG C；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is delivered to mixing by metering pump
Head carries out collisional mixing under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, reinjects and be placed with glass in advance
Reaction sizing in injection mold, wherein mold temperature are set as 80~105 DEG C, are molded after curing 30~80S, are cooled to room temperature
Pickup afterwards, the PU bound edges being coated on glass edge finally obtained.
Embodiment 5
A kind of preparation method of PU bound edges for vehicle glass, this approach includes the following steps：
(1) it stocks up according to following components and content (parts by weight)：
| Component | Parts by weight |
| Diisocyanate IPDI | 55 |
| Polyether polyol | 95 |
| Antioxidant IRGANOX1790 | 2 |
| Catalyst triethylenediamine | 0.3 |
| Fire retardant triethylamine | 0.5 |
| Crosslinking agent diethanol amine | 0.3 |
| Stabilizer PU-1251 | 3 |
| Interfacial agent dimethyl siloxane | 3 |
| Silane coupling agent amino silane | 9 |
| Colorant black color | 1 |
(2) polyether polyol of required number is taken to be added in the storage tank A of high-pressure injection machine by formula, then in storing
Fire retardant, crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant are added in tank A successively, 95
~125 DEG C, pressure be 300~800KPa under conditions of stir to get mixed solution, then by storage temperature be set as 20 DEG C~
40℃；
(3) diisocyanate of required number is taken to be added in the storage tank B of high-pressure injection machine by formula, it then will storage
Temperature setting is -10 DEG C~40 DEG C；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is delivered to mixing by metering pump
Head carries out collisional mixing under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, reinjects and be placed with glass in advance
Reaction sizing in injection mold, wherein mold temperature are set as 80~105 DEG C, are molded after curing 30~80S, are cooled to room temperature
Pickup afterwards, the PU bound edges being coated on glass edge finally obtained.
Peeling strength test：
The PU bound edges product that embodiment 1 to embodiment 6 is obtained is transferred as Sample storage in 23 DEG C and 65%RH environment
It sets three days, the discharge of the substances such as material plasticizing, solidification and catalyst is allowed to reach most stable state.
After sample is placed three days, 90 ° of peel test (traction degree of room temperature are carried out to sample:200mm/min).
Above-mentioned embodied peeling strength test is expressed as follows：
1. side bound edge is cut with paper knife, until being completely exposed glass side；
2. the wrapping strip of long 50mm will be swept with paper knife, wrapping strip is made to be cut open from glass or print side bonding interface；
3. clamping wrapping strip with special fixture, it is used in combination the other end that dynamometer catches on fixture slow along vertical glass outward direction
Slowly it at the uniform velocity draws, displacement is pulled to have to be larger than 20mm, then read the maximum value of dynamometer, then calculate peel strength.
Table 1 shows embodiment 1 to the collapse state and peel strength of the PU bound edge products of embodiment 6, and testing result is remembered,
It is that material surface destroys, and peel strength is in 3.0~3.5N/mm according to all collapse states of experimental result,
Technology requirement higher than 2.0N/mm, meets the adhesive strength of PU bound edge products.
Table 1 (according to an embodiment of the invention)
| Collapse state | Peel strength (N/mm) | |
| Embodiment 1 | Material surface destroys | 3.5 |
| Embodiment 2 | Material surface destroys | 3.0 |
| Embodiment 3 | Material surface destroys | 3.0 |
| Embodiment 4 | Material surface destroys | 3.1 |
| Embodiment 5 | Material surface destroys | 3.2 |
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalents made by bright specification are applied directly or indirectly in relevant technical field, are similarly included in the present invention's
In scope of patent protection.
Claims (9)
1. a kind of PU for vehicle glass exempts from the formula of primary coat bound edge, which is characterized in that by following component and weight proportion
Raw material is blended：
Wherein,
The diisocyanate is methyl diphenylene diisocyanate (MDI) or isophorone diisocyanate (IPDI).
2. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Silane coupling agent is amino silane or hydrosulphonyl silane.
3. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Catalyst is in amines catalyst, dimethyl cyclohexyl amine, triethylenediamine, tetramethyl Alkylenediamine or dimethylbenzyl
It is a kind of.
4. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Fire retardant is triethylamine or melamine.
5. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Crosslinking agent is diethanol amine or pentaerythrite.
6. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Stabilizer selects silicon stabilizer PU-1251.
7. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Antioxidant is one kind in Hinered phenols antioxidant IRGANOX1010, IRGANOX1076 or IRGANOX1790.
8. a kind of PU for vehicle glass according to claim 1 exempts from the formula of primary coat bound edge, which is characterized in that described
Interfacial agent is polysiloxanes or dimethyl silicone polymer.
9. the PU for vehicle glass described in a kind of claim 1 exempts from the preparation method of primary coat bound edge, include the following steps：
(1) it stocks up according to following components and weight proportion：
Wherein,
The diisocyanate is methyl diphenylene diisocyanate (MDI) or isophorone diisocyanate (IPDI)；
(2) polyether polyol is added in the storage tank A of high-pressure injection machine, then added successively in storage tank A fire retardant,
Crosslinking agent, stabilizer, interfacial agent, silane coupling agent, antioxidant and colorant, at 95~125 DEG C, pressure is 300~
Mixed solution is stirred to get under conditions of 800KPa, and storage temperature is then set as 20 DEG C~40 DEG C；
(3) diisocyanate is added in the storage tank B of high-pressure injection machine, storage temperature is then set as -10 DEG C~40
℃；
(4) diisocyanate in the mixed solution and storage tank B in storage tank A is conveyed by the metering pump in RIM units
To mixing head, collisional mixing is carried out under 30-35 DEG C of temperature, the environmental condition of 150~170bar of pressure, reinjects and is placed in advance
Reaction sizing in the injection mold of glass, wherein mold temperature are set as 80~105 DEG C, are molded after curing 30~80S, to be cooled
Pickup after to room temperature finally obtains the PU bound edges being coated on glass edge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810119916.7A CN108276763A (en) | 2018-02-07 | 2018-02-07 | A kind of PU for vehicle glass exempts from the formula of primary coat bound edge and the preparation method of bound edge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810119916.7A CN108276763A (en) | 2018-02-07 | 2018-02-07 | A kind of PU for vehicle glass exempts from the formula of primary coat bound edge and the preparation method of bound edge |
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| CN108276763A true CN108276763A (en) | 2018-07-13 |
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| CN201810119916.7A Withdrawn CN108276763A (en) | 2018-02-07 | 2018-02-07 | A kind of PU for vehicle glass exempts from the formula of primary coat bound edge and the preparation method of bound edge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724243A (en) * | 2019-10-21 | 2020-01-24 | 徐州宏华玻璃科技有限公司 | Formula of bottom-coating-free edge covering of glass |
| CN112898526A (en) * | 2021-01-22 | 2021-06-04 | 南京大学 | Two-component instantaneous-drying temperature-resistant polyurethane and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173907B1 (en) * | 1984-09-01 | 1990-07-11 | BASF Aktiengesellschaft | Method of enveloping the edges of glass panes with elastic polyisocyanate-polyaddition products |
| CN101768251A (en) * | 2009-12-31 | 2010-07-07 | 南京汇科高分子材料有限公司 | Polyurethane elastomer for automobile glass encapsulation and preparation method thereof |
| CN107189028A (en) * | 2017-06-23 | 2017-09-22 | 黎明化工研究设计院有限责任公司 | A kind of preparation method of environment-friendly and high-performance fast demoulding polyurethane reaction injection moulding composition and its self-catalysis chain extender |
-
2018
- 2018-02-07 CN CN201810119916.7A patent/CN108276763A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173907B1 (en) * | 1984-09-01 | 1990-07-11 | BASF Aktiengesellschaft | Method of enveloping the edges of glass panes with elastic polyisocyanate-polyaddition products |
| CN101768251A (en) * | 2009-12-31 | 2010-07-07 | 南京汇科高分子材料有限公司 | Polyurethane elastomer for automobile glass encapsulation and preparation method thereof |
| CN107189028A (en) * | 2017-06-23 | 2017-09-22 | 黎明化工研究设计院有限责任公司 | A kind of preparation method of environment-friendly and high-performance fast demoulding polyurethane reaction injection moulding composition and its self-catalysis chain extender |
Non-Patent Citations (2)
| Title |
|---|
| 宋聪梅 等: "RIM聚氨酯弹性体与玻璃粘接性能的研究", 《弹性体》 * |
| 白晓光 等: "硅烷偶联剂改性水性聚氨酯薄膜的研究", 《化学世界》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724243A (en) * | 2019-10-21 | 2020-01-24 | 徐州宏华玻璃科技有限公司 | Formula of bottom-coating-free edge covering of glass |
| CN112898526A (en) * | 2021-01-22 | 2021-06-04 | 南京大学 | Two-component instantaneous-drying temperature-resistant polyurethane and preparation method thereof |
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Application publication date: 20180713 |