CN102079960B - Polyurethane heat-insulation structural adhesive and manufacturing method for heat-insulation aluminum profile - Google Patents
Polyurethane heat-insulation structural adhesive and manufacturing method for heat-insulation aluminum profile Download PDFInfo
- Publication number
- CN102079960B CN102079960B CN 201010589901 CN201010589901A CN102079960B CN 102079960 B CN102079960 B CN 102079960B CN 201010589901 CN201010589901 CN 201010589901 CN 201010589901 A CN201010589901 A CN 201010589901A CN 102079960 B CN102079960 B CN 102079960B
- Authority
- CN
- China
- Prior art keywords
- component
- mdi
- insulation structural
- heat insulation
- structural glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a polyurethane heat-insulation structural adhesive, which comprises components A and B, wherein the mass ratio of A to B is (90-110):(70-90); the component A comprises polyether polyol and auxiliaries; on the basis of the mass ratio of the auxiliaries to the polyether polyol, the auxiliaries comprise following components by weight percent: 0.1-0.3% of catalyst, 0.1-0.5% of flatting agent, 0.1-0.5% of de-foaming agent, 0.5-1.5% of chain extender, 0.1-5% of padding, 0.3-5% of plasticizer, 0.1-0.3% of anti-oxygen, and 0.1-0.3% of ultraviolet absorber; and the component B is isocyanate of MDI (methyl diphenylene diisocyanate) or TDI (toluene di-isocyanate). The invention also discloses a method for using the structural adhesive to prepare a heat-insulation aluminum profile. The polyurethane heat-insulation structural adhesive provided by the invention has advantages of excellent mechanical property, fatigue resistance, shock resistance, wear-resisting property, and stability. Room-temperature pouring and room-temperature solidifying processes are realized through the molding production; the pouring period is long; the molding production is not limited by temperature and the shape of aluminum profile; the operation is easily controlled; the rejection rate is low; and the molding production is beneficial to the popularization and application of the pouring type heat-insulation aluminum profile technique.
Description
Technical field
The present invention relates to aluminum alloy doors and windows, curtain wall with building the aluminium alloy extrusions technical field, relate in particular to the manufacture method of a kind of urethane heat insulation structural glue and heat-insulation aluminum section thereof.
Background technology
The energy-conserving and environment-protective problem is subjected to concern and attention more and more widely in the whole world, occupied vital position in social development.Along with the continuous enhancing of people to environmental protection and energy saving consciousness, many advanced persons' energy-conserving product and energy-saving technique have applied to every field such as building trade gradually.
At present, existing bridge insulation thermal resistance aluminum alloy doors and windows, curtain wall mainly contain " penetrating bar type " and " cast-type " two types with bridge insulation thermal resistance aluminium section.The penetrating bar type heat-insulation aluminum section is coupled together two portions inside and outside the aluminium section bar by two heat insulating strips and forms, and the conduction of heat realizes energy-conservation purpose inside and outside the aluminium section bar by stoping.This kind technology is easy to grasp and extensively adopt, but because two aluminium section bars and heat insulating strip combination are assembled, therefore cause size deviation easily and the high phenomenon of scrap rate occurs, and this type of product size is fixed, malleable not, makes the design of window type be restricted.Pouring-type heat-insulation aluminum section is bonded to an integral body by the adiabatic gum of casting with inside and outside two portions of aluminium section bar and forms, what adopt is once through moulding technology, thereby reduced defective workmanship, need not pressing, avoid causing owing to the external force reason damage of aluminium section bar, improved the shock resistance of clad aluminum section bar; And compact construction, to compare with penetrating bar type, cost is lower, plasticity-good, can process the door and window of Any shape, so the pouring-type heat-insulation technology is subjected to favor and the attention of vast energy-conservation aluminium section bar producer gradually.Yet, the prior art pouring-type heat-insulation aluminum section is subjected to the restriction of factors such as material, and the mechanical property of product is not satisfactory, and construction is comparatively complicated in the moulding production process, be subjected to Temperature Influence bigger, temperature range is narrow, need control to pour into a mould under 25 ± 2 ℃ of temperature, and casting cycle is short, operation and control difficulty are big, therefore be confined to the cast production of vertical bar shaped aluminium section bar, be difficult to obtain the cast-type aluminium section bar of other shapes, thereby influenced popularization and the use of pouring-type heat-insulation technology.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of have excellent mechanical property, antifatigue, shock resistance, the good and stable urethane heat insulation structural glue of wear resisting property are provided.Another object of the present invention is to provide the processing method of using above-mentioned polyurethane structural glue to produce heat-insulation aluminum section, with the simplification technological operation, and obtain difform pouring-type heat-insulation aluminum section.
Purpose of the present invention is achieved by the following technical programs:
A kind of urethane heat insulation structural glue provided by the invention is made of mass ratio A: B=90～110: 70～90 A, B component; Wherein,
The A component is made up of polyether glycol and auxiliary agent, and described auxiliary agent comprises according to the mass ratio of shared polyether glycol: catalyzer 0.1～0.3%, flow agent 0.1～0.5%, defoamer 0.1～0.5%, chainextender 0.5～1.5%, filler 0.1～5%, softening agent 0.3～5%, oxidation inhibitor 0.1～0.3%, UV light absorber 0.1～0.3%;
The B component is the isocyanic ester of MDI and/or TDI system, comprises monomer, performed polymer or the oligopolymer of different isomerization body, or their mixture.
In the structure glue A component of the present invention, do not contain all kinds of hydrocarbon blowing agents that cause the product foamed phenomenon.Preferably, polyether glycol is that functionality is 2～3, molecular weight is 200～3000 Soxylat A 25-7 or polyoxyethylene glycol a kind of or both mixtures.
Described catalyzer is the organic tin catalyzer, preferably as dibutyl tin laurate, stannous octoate etc.Described flow agent, defoamer are anhydrous silicone based and/or organic silicon-fluorine class compound.Described chainextender is amine chain extender and/or alcohols chainextender, preferably as diethyl toluene diamine (DETDA), diformazan sulfenyl tolylene diamine (DADMT), N, N '-two sec-butyl methylenediphenyl diamines, 4,4 '-diaminodiphenyl-methane (MDA), 3,3 '-two chloro-4,4 '-diaminodiphenyl-methane (MCOA), aliphatic polyamine, 1,4-butyleneglycol (BDO), 1,3-butyleneglycol, 1,5-pentanediol, 1, single chainextender or the mixed chain extender of 6-hexylene glycol, TriMethylolPropane(TMP) (TMP), glycerol, trolamine etc.The one or more combination of the preferred nano-calcium carbonate of described filler, talcum powder, barium sulfate, quartz.The preferred dibutyl phthalate of described softening agent and/or dioctyl phthalate (DOP).
Oxidation inhibitor of the present invention, UV light absorber are all selected IRGANOX1010,1076, TINUVIN P, 327,328 etc. for use.In addition, according to concrete environment for use needs, also can add other complementary additive such as mould inhibitor, tinting materials etc., consumption is 0.1～3%.
In the structure glue B component of the present invention, preferably, its functionality of isocyanic ester of described MDI and/or TDI system is 2.1～2.7, NCO content is 26～30%.
Another object of the present invention is achieved by the following technical programs:
The present invention uses the manufacture method of the heat-insulation aluminum section of above-mentioned urethane heat insulation structural glue, may further comprise the steps:
1) preparation of A component
Add polyether glycol and the auxiliary agent that measures in reactor, be warming up to 100～120 ℃ after fully mixing, vacuum hydro-extraction makes water-content be lower than 0.03% and gets final product cooling curing, discharging sealing and inflated with nitrogen protection packing;
2) preparation of B component
The isocyanic ester of MDI and/or TDI system is mixed to join in the reactor, and vacuum stirring mixes the back cooling under 75～80 ℃ of temperature, discharging sealing and inflated with nitrogen protection packing;
3) A, B component are accurately controlled flow by volume pump and be sent to the high pressure mixing head and carry out high-speed stirring and mix, be poured into then in the aluminium section bar groove that moves with 0.075～0.12 meter per second speed, after non-shock chilling solidifies, excise the aluminium section bar of bottom portion of groove and form the structure glue bridge cut-off, obtain urethane adiabatic gum clad aluminum section bar.
Utilize the catalyzer control cooling curing time to be under the normal temperature 15～20 seconds in the step 1) of the present invention.Described step 2) in the preparation of B component, with liquid MDI and 2,4 '-MDI is according to 1～3: 1～2 mass ratio is mixed to join in the reactor, and wherein liquid MDI is 4, and introducing carbamate or carbodiimide groups form among 4 '-MDI.
The present invention has following beneficial effect:
Urethane heat insulation structural glue material of the present invention has excellent mechanical property, and antifatigue, shock resistance, wear resisting property is good and stable.Use this material produce pouring-type heat-insulation aluminum section, realized normal temperature cast, ambient cure, the temperature range of adaptation is wide, is convenient to construction; Simultaneously, casting cycle is long, and the casting cycle scope is very wide, can produce difform aluminium section bar.Therefore, the present invention is not subjected to the restriction of temperature and aluminium section bar shape, is easy to operate and control, and scrap rate is low, helps the promotion and application of pouring-type heat-insulation aluminum section technology.
The present invention is described in further detail below in conjunction with embodiment.
Embodiment
Embodiment one:
Present embodiment urethane heat insulation structural glue is made of A, B component, and the mass ratio of A, B component is 100: 80.Each component and proportion by weight are as follows:
The A component
Wherein polyether glycol is the mixture of Soxylat A 25-7 and/or polyoxyethylene glycol, and is for example initial with glycerine, the polyol of propylene oxide, oxyethane, and the random or end-blocking copolymerization of oxyethane, EO content is 35%, functionality is 3, the about 40mgKOH/g of hydroxyl value.
The B component
Be liquid MDI and 2, than mixture, functionality was that 2.4, NCO content is 28% to 4 '-MDI according to 3: 2 quality, and wherein liquid MDI is 4, introduced carbamate among 4 '-MDI or carbodiimide groups forms.
Use the manufacture method of the heat-insulation aluminum section of above-mentioned urethane heat insulation structural glue, its step is as follows:
1) preparation of A component
In reactor, add polyether glycol and the auxiliary agent that measures, be warming up to 120 ℃ after fully mixing, about 3 hours of vacuum hydro-extraction, making water-content be lower than 0.03% can cool off, and solidifies 15 seconds discharging sealing and inflated with nitrogen protection packing under the normal temperature;
2) preparation of B component
With liquid MDI and 2,4 '-MDI is mixed to join in the reactor according to 3: 2 mass ratio, and vacuum stirring mixes the back cooling under 80 ℃ of temperature, discharging sealing and inflated with nitrogen protection packing;
3) A, B component are accurately controlled flow by volume pump and be sent to the high pressure mixing head and carry out high-speed stirring and mix, be poured into then in the aluminium section bar groove that moves with 0.075～0.12 meter per second speed, non-shock chilling solidified after 24 hours, excise the aluminium section bar of bottom portion of groove and form the structure glue bridge cut-off, obtain the urethane adiabatic gum clad aluminum section bar of complicated shape.
Embodiment two:
Present embodiment and embodiment one difference are: present embodiment urethane heat insulation structural glue, and the mass ratio of its A, B component is 100: 70, and wherein the B component is liquid MDI and 2, and 4 '-MDI is according to the mixture of 1: 1 mass ratio.Solidified 20 seconds under the normal temperature of cooling back in the manufacture method step 1); Material is poured in the aluminium section bar groove that moves with 0.35 meter per second speed in the step 3), and non-shock chilling solidified 20 hours.Obtain the urethane adiabatic gum clad aluminum section bar of vertical bar shape.
Embodiment three:
Present embodiment and embodiment one difference are: present embodiment urethane heat insulation structural glue, the mass ratio of its A, B component is 100: 90.
Embodiment four:
Present embodiment and embodiment one difference are: present embodiment urethane heat insulation structural glue, and the inferior tin of octoate catalyst is 0.3% in its A component, and chainextender TMP is 1.0%, and chainextender MDA is 0.
Embodiment five:
Present embodiment and embodiment one difference are: present embodiment urethane heat insulation structural glue, and catalyzer is dibutyl tin laurate in its A component, consumption is 0.3%; Chainextender is DADMT, and consumption is 1.2%; Oxidation inhibitor is 1076, and consumption is 0.3%.
Embodiment six:
Present embodiment and embodiment one difference are: present embodiment urethane heat insulation structural glue, and catalyzer is dibutyl tin laurate in its A component, consumption is 0.1%; Chainextender is DETDA, and consumption is 1.0%; Oxidation inhibitor is 1076, and consumption is 0.2%.
The product performance index of the various embodiments described above is as shown in table 1.
The product performance index of table 1 embodiment of the invention
The manufacture method of urethane heat insulation structural glue of the present invention and heat-insulation aluminum section, the processing parameter in the composition of each component and proportioning thereof and the manufacture method is not limited to above-mentioned listed examples.
Claims (10)
1. a urethane heat insulation structural glue is characterized in that: be made of mass ratio A: B=90～110: 70～90 A, B component; Wherein,
The A component is made up of polyether glycol and auxiliary agent, and described auxiliary agent comprises according to the mass ratio of shared polyether glycol: catalyzer 0.1～0.3%, flow agent 0.1～0.5%, defoamer 0.1～0.5%, chainextender 0.5～1.5%, filler 0.1～5%, softening agent 0.3～5%, oxidation inhibitor 0.1～0.3%, UV light absorber 0.1～0.3%; Being prepared as follows of A component: add polyether glycol and the auxiliary agent that measures in reactor, be warming up to 100～120 ℃ after fully mixing, vacuum hydro-extraction makes water-content be lower than 0.03% and gets final product cooling curing, discharging sealing and inflated with nitrogen protection packing;
The B component is the isocyanic ester of MDI and/or TDI system, comprises monomer, performed polymer or the oligopolymer of different isomerization body, or their mixture; The isocyanic ester of being prepared as follows of B component: MDI and/or TDI system is mixed to join in the reactor, and vacuum stirring mixes the back cooling under 75～85 ℃ of temperature, discharging sealing and inflated with nitrogen protection packing;
Described A component is accurately controlled flow with the B component by volume pump and is sent to the high pressure mixing head and carries out high-speed stirring and mix, be poured into then in the aluminium section bar groove that moves with 0.075～0.12 meter per second speed, non-shock chilling solidifies the back and forms urethane heat insulation structural glue.
2. urethane heat insulation structural glue according to claim 1 is characterized in that: described polyether glycol is that functionality is 2～3, molecular weight is 200～3000 Soxylat A 25-7 or polyoxyethylene glycol a kind of or both mixtures.
3. urethane heat insulation structural glue according to claim 1 is characterized in that: its functionality of isocyanic ester of described MDI and/or TDI system is 2.1～2.7, NCO content is 26～30%.
4. urethane heat insulation structural glue according to claim 1, it is characterized in that: described catalyzer is the organic tin catalyzer.
5. urethane heat insulation structural glue according to claim 1, it is characterized in that: described flow agent, defoamer are anhydrous silicone based and/or organic silicon-fluorine class compound; Described chainextender is amine chain extender and/or alcohols chainextender.
6. urethane heat insulation structural glue according to claim 1 is characterized in that: described filler is nano-calcium carbonate, talcum powder, barium sulfate, quartzy one or more combination.
7. urethane heat insulation structural glue according to claim 1, it is characterized in that: described softening agent is dibutyl phthalate and/or dioctyl phthalate (DOP).
8. right to use requires each the manufacture method of heat-insulation aluminum section of urethane heat insulation structural glue of 1-7, it is characterized in that may further comprise the steps:
1) preparation of A component
Add polyether glycol and the auxiliary agent that measures in reactor, be warming up to 100～120 ℃ after fully mixing, vacuum hydro-extraction makes water-content be lower than 0.03% and gets final product cooling curing, discharging sealing and inflated with nitrogen protection packing;
2) preparation of B component
The isocyanic ester of MDI and/or TDI system is mixed to join in the reactor, and vacuum stirring mixes the back cooling under 75～85 ℃ of temperature, discharging sealing and inflated with nitrogen protection packing;
3) A, B component are accurately controlled flow by volume pump and be sent to the high pressure mixing head and carry out high-speed stirring and mix, be poured into then in the aluminium section bar groove that moves with 0.075～0.12 meter per second speed, after non-shock chilling solidifies, excise the aluminium section bar of bottom portion of groove and form the structure glue bridge cut-off, obtain urethane adiabatic gum clad aluminum section bar.
9. the manufacture method of heat-insulation aluminum section according to claim 8 is characterized in that: utilize the catalyzer control cooling curing time to be under the normal temperature 15～20 seconds in the described step 1).
10. the manufacture method of heat-insulation aluminum section according to claim 9, it is characterized in that: described step 2) in the preparation of B component, with liquid MDI and 2,4 '-MDI is according to 1～3: 1～2 mass ratio is mixed to join in the reactor, wherein liquid MDI is 4, and introducing carbamate or carbodiimide groups form among 4 '-MDI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589901 CN102079960B (en) | 2010-12-15 | 2010-12-15 | Polyurethane heat-insulation structural adhesive and manufacturing method for heat-insulation aluminum profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589901 CN102079960B (en) | 2010-12-15 | 2010-12-15 | Polyurethane heat-insulation structural adhesive and manufacturing method for heat-insulation aluminum profile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102079960A CN102079960A (en) | 2011-06-01 |
| CN102079960B true CN102079960B (en) | 2013-08-14 |
Family
ID=44086158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010589901 Expired - Fee Related CN102079960B (en) | 2010-12-15 | 2010-12-15 | Polyurethane heat-insulation structural adhesive and manufacturing method for heat-insulation aluminum profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102079960B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408865B (en) * | 2011-09-27 | 2013-10-23 | 英特沃斯(北京)科技有限公司 | Double-component polyurethane adhesive and preparation method thereof |
| CN102516918B (en) * | 2011-12-14 | 2013-10-02 | 湖北回天胶业股份有限公司 | Dual-component polyurethane adhesive with high elongation rate and preparation method thereof |
| CN102559126B (en) * | 2012-01-05 | 2013-11-06 | 北京天山新材料技术股份有限公司 | Hydrolysis-resistant double-component polyurethane adhesive for structure adhesion |
| CN102533200B (en) * | 2012-02-29 | 2013-11-20 | 广州睿腾化工产品有限公司 | Bi-component polyurethane adhesive |
| CN102627937B (en) * | 2012-03-27 | 2014-04-30 | 合肥工业大学 | Bi-component conductive polyurethane pouring adhesive and preparation method thereof |
| CN103224606B (en) * | 2013-05-03 | 2015-03-11 | 中国海洋石油总公司 | Polyurethane node material for submarine oil-gas pipeline interface wet type thermal insulation, and preparation method thereof |
| CN103352635B (en) * | 2013-07-16 | 2015-09-23 | 浙江博奥铝业有限公司 | A kind of processing method of built-up sectional material of percolation-proof |
| CN103835623B (en) * | 2014-03-20 | 2015-09-09 | 陆明军 | A kind of bridge insulation thermal resistance aluminium section spraying goods |
| CN104497257A (en) * | 2014-12-16 | 2015-04-08 | 山东一诺威聚氨酯股份有限公司 | Preparation method of double-component polyurethane heat insulation casting rubber for aluminum profile |
| CN105566887A (en) * | 2014-12-25 | 2016-05-11 | 南京理工大学常熟研究院有限公司 | Preparation method of polyurethane thermal insulation material |
| CN105566886A (en) * | 2014-12-25 | 2016-05-11 | 南京理工大学常熟研究院有限公司 | Polyurethane thermal insulation material for plastic-aluminum composite doors and windows |
| CN104559135B (en) * | 2015-01-15 | 2017-12-26 | 河南均美铝业有限公司 | A kind of aluminium alloy type timber-used heat-barrier material and preparation method thereof |
| JP5864008B1 (en) * | 2015-05-08 | 2016-02-17 | サンユレック株式会社 | Polyol composition for production of polyurethane resin composition |
| CN106785032B (en) * | 2017-03-17 | 2019-08-09 | 北京工业大学 | A kind of lithium ion battery polymer dielectric and preparation method |
| CN107417883B (en) * | 2017-05-17 | 2023-07-21 | 张家港市乐嘉新材料股份有限公司 | Heat-insulating aluminum profile and preparation method thereof |
| CN107353395A (en) * | 2017-06-07 | 2017-11-17 | 湖州倍格曼新材料股份有限公司 | A kind of bridge-cut-off insulated aluminium alloy section bar polyurethane foam glue and preparation method thereof |
| CN109749691B (en) * | 2018-12-26 | 2020-04-14 | 陈均脑 | Manufacturing method of composite section for doors and windows |
| CN110028922A (en) * | 2019-04-23 | 2019-07-19 | 爱冉(上海)实业有限公司 | Special urethane adiabatic gum, its production method for preparing raw material and its raw material |
| CN110016116A (en) * | 2019-04-23 | 2019-07-16 | 爱冉(上海)实业有限公司 | Polyurethane adiabatic gum, its production method for preparing raw material and its raw material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195738A (en) * | 1998-01-16 | 1998-10-14 | 李江岩 | Method for producing poured bridge cut-off aluminium section |
| CN101550327A (en) * | 2008-04-03 | 2009-10-07 | 航天材料及工艺研究所 | High hardness high-toughness polyurethane casting compound and application thereof |
-
2010
- 2010-12-15 CN CN 201010589901 patent/CN102079960B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195738A (en) * | 1998-01-16 | 1998-10-14 | 李江岩 | Method for producing poured bridge cut-off aluminium section |
| CN101550327A (en) * | 2008-04-03 | 2009-10-07 | 航天材料及工艺研究所 | High hardness high-toughness polyurethane casting compound and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 王佩璋，王澜.铝塑复合保温门窗的结构和特点.《塑料异型材与门窗生产技术问答》.化学工业出版社,2003,第258-261页. * |
| 罗忆等.什么叫断热铝合金.《建筑门窗》.化学工业出版社,2009,第131-134页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102079960A (en) | 2011-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102079960B (en) | Polyurethane heat-insulation structural adhesive and manufacturing method for heat-insulation aluminum profile | |
| CN103834345B (en) | A kind of excellent one-component damp solidifying polyurethane fluid sealant of UV resistant performance | |
| WO2018045622A1 (en) | Micro powder-reinforced, polyurethane-based, high-strength, waterproof, thermal-insulation decorative integrated material and preparation method therefor | |
| CN101760143B (en) | Highly-transparent polyurethane hot-melt film applicable to sandwich glass and preparation method thereof | |
| CN104017533B (en) | Roof of the vehicle monocomponent moisture cure urethanes adhesive and preparation method thereof | |
| CN103897650A (en) | Hardly-foamed one-component polyurethane sealant | |
| CN102304214B (en) | Method for preparing micropore polyurethane vibration reduction buffering block for automobile | |
| CN101838458B (en) | Method for manufacturing polyurethane microporous automotive buffer block | |
| CN102775579B (en) | Preparation method of polyurethane foam with water sealing performance | |
| CN104861920A (en) | Monocomponent polyurethane sealant with high temperature resistance and water resistance and preparation method therefor | |
| CN102250307A (en) | Biobased micro-porous polyurethane material and preparation method thereof | |
| CN105732946A (en) | Method for preparing microporous polyurethane elastomer | |
| CN110372838A (en) | A kind of combined polyether glycol, polyurethane foam and preparation method thereof | |
| CN107383321B (en) | Vibration-damping and corrosion-preventing polyurethane grouting composite material, preparation method and application | |
| CN103172822B (en) | Quickly-demoulded weatherproof composition for polyurethane-reaction injection molding and preparation method thereof | |
| CN109021207A (en) | A kind of hard polyurethane foam for refrigerator | |
| CN104059352A (en) | Manufacturing methods of polyurethane (PUR) elastomer and automobile part foam damping buffer ring | |
| CN104140518A (en) | Hydrophilic one-component water-solidification polyurethane and preparing method of hydrophilic one-component water-solidification polyurethane | |
| CN110373146B (en) | Two-component polyurethane sealant and preparation method and application thereof | |
| CN114133856B (en) | Low-density porous all-plastic spraying polyurethane runway slurry and preparation and use methods thereof | |
| CN106674480A (en) | Preparation method of NDI (Naphthalene Diisocyanate) modified MDI (Diphenyl Methane Diisocyanate)-based polyurethane microporous elastomer | |
| CN103788332B (en) | NDI modification MDI base polyurethane micropore method for producing elastomers | |
| CN109503804A (en) | A kind of room temperature curing high-performance polyurethane elastomer composition | |
| CN107189028A (en) | A kind of preparation method of environment-friendly and high-performance fast demoulding polyurethane reaction injection moulding composition and its self-catalysis chain extender | |
| CN102399354A (en) | Manufacturing method of bamboo-wood polyatomic alcohol polyurethane flexible foam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |