CN1342734A - Process for preparing refractory carboxyl chlorobutadiene adhesive for spraying - Google Patents
Process for preparing refractory carboxyl chlorobutadiene adhesive for spraying Download PDFInfo
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- CN1342734A CN1342734A CN 00116018 CN00116018A CN1342734A CN 1342734 A CN1342734 A CN 1342734A CN 00116018 CN00116018 CN 00116018 CN 00116018 A CN00116018 A CN 00116018A CN 1342734 A CN1342734 A CN 1342734A
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Abstract
A high-temp. resistant spray adhesive of carboxyl chlorobutadiene is prepared through reaction of carboxyl chlorobutadiene monomer, resin and anti-ageing agent in a mixed solvent at 70-85 deg.C for 5-6 hr. Its advantages include high heat-resistant nature and adhesion, wide temp. range, high content of solid component, and no environmental pollution.
Description
The invention discloses a kind of high temperature resistant green wood strip carboxyl neoprene adhesive for spraying synthesis preparation method, product is called high temperature resistant YHP-400 neoprene spraying synthetic adhesive again.It belongs to fine chemistry industry synthetic adhesive technical field.
At present, the home and abroad is in order to satisfy the needs of industry developments such as aircraft manufacturing, aerospace flight technology, transportation industry, building decoration, the high temperature resistant synthetic adhesive of having studied and having produced (" New Chemical Materials " 1996.10) can be divided into resol class, epoxy resin, silicone based, heterocyclic polymer class, also comprises polybenzimidazole class, Ju quinoxaline, polyimide.These products still exist some shortcomings on aspects such as preparation technology, temperature tolerance, use operation, can not spray in the use and the operating performance complexity, still are badly in need of improving perfect.Documents and materials according to the retrieval are not so far relevant for the report of resistant to elevated temperatures band carboxyl neoprene adhesive for spraying class.
The objective of the invention is: for improving, overcome above-mentioned weak point, meet the need of market, during satisfy to decorate decorate (1) in the high temperature PLASTIC LAMINATED at high-density plate, shaving board, synthetic resin board with to give thermal flexure moulding on the multiple materials such as handling metal sheet bonding and require heat bonding between anti-140～200 ℃ plane; (2) satisfy require in the every profession and trades such as automobile, building, electronics thermotolerance higher, the spraying occasion bonding.Intend that development research goes out that the new variety of all kinds of high-temperature resistance adhesives different from the past are high temperature resistant, solvent-borne type, low viscous band carboxyl neoprene adhesive for spraying, to satisfy above-mentioned special requirements of industries.
Be the technical measures that realize that the object of the invention is taked:
The new synthesis preparation method of the band carboxyl neoprene synthetic adhesive that the present invention is a kind of high temperature resistant, solvent-borne type, low viscosity, can spray.It is to give reactant building-up reactions in mixed solvent by band carboxylated neoprene monomer and resin to form.
The concrete technological method of synthesis preparation method of the present invention is: at first, treated good band carboxylated neoprene monomer and a certain mixed solvent input are had in the reactor of whipping appts, a certain amount of resin type of amount adding gives anti-thing in proportion again, the control reactor temperature is at 70～85 ℃, under constantly stirring, carry out colloidal sol and chemical reaction, after reacting 5～6hr, add and comprise 2, the 6-ditertbutylparacresol is the protective agent of antioxidant 264, after mensuration viscosity (CPS/25 ℃) meets 400～500, get final product discharging, packing.
Concrete technical matters condition is as follows in the synthetic preparation of the present invention:
Material input amount weight ratio is the band carboxylated neoprene: resin type gives reactant: mixed solvent: anti-aging agent=15-20: 20-26: 50-60: 0.15, and control reaction temperature is 70～85 ℃; Reaction times is 5～6hr.
Mixed solvent and ratio thereof are: ethyl acetate: hexanaphthene: toluene=50: 20: 30 or ethyl acetate: acetone: toluene=40: 30: 30.
It is a kind or various kinds of resin and some the inorganic active agent (as ZnO, CaO, MgO etc.) that comprises in the resenes such as terpine resin, rosin modified phenolic resin, rosin glyceride or resol that resin gives reactant, by weight being portions of resin metal active agent=30-40: 6-9, obtain to give reactant at 50-60 ℃ of following reaction certain hour.
The technique effect that the present invention has reached:
The present invention is high temperature resistant, and (technical indicator that the synthetic adhesive for spraying of nonmetal band carboxyl neoprene has reached is: major ingredient is the band carboxylated polychloroprone rubber; High temperature resistant is 140～210 ℃; Outward appearance is the even rare glue of light yellow thickness; Proportion (25 ℃) is 0.85～0.86; Solid content (%) is 25 ± 1; Viscosity (CPS/25 ℃) is 400～500; The contact drying time is 5～10min/25 ℃; Tack retention hour is 10～20min/25 ℃; Quality guaranteed period (25 ℃) is 8 months.
Adopt the band carboxyl neoprene adhesive for spraying synthesis preparation method of high temperature resistant novel material of the present invention, it has following 3 aspect characteristics: working method is simple, processing condition are easy to control, the reaction times is short; This reactor product thermotolerance is good, and the heat resisting temperature scope is wide, can reach 140～210 ℃, and hot sticky relay is strong; This reactor product solid content height and figure's smoothness, thin and the easily spraying of particle, fast drying and initial bonding strength are big, big area spraying and adhesive bonding construction operation is good, better than brushing bonding quality, not only saving of labor but also material-saving, particularly, for the high temperature resistant bonding but occasion that is not easy to brush of needs, just more embody the characteristics of reaction product of the present invention.
Below in conjunction with embodiment the present invention is further described.
Embodiment 1:YHP-400 is high temperature resistant band carboxyl neoprene adhesive for spraying building-up reactions product
In 1000 liters stainless steel cauldron, press the above-mentioned raw materials weight ratio, drop into band carboxylated neoprene 160kg, mixed solvent 446.8kg (ethyl acetate: acetone: toluene=40: 30: 30), add resin again and give reactant 192kg, feed intake finish after, control reactor temperature be 80～85 ℃, keeping the reaction times is 5.5hr, add antioxidant 264 then and be 1.2kg, like this, obtain viscosity and be 450CPS/25 ℃ the high temperature resistant band carboxyl of YHP-400 neoprene adhesive for spraying product 800kg.
Resin give reactant be rosin glyceride 40Kg and CaO9Kg 60 ℃ of reactions in mixed solvent obtain give reactant.
Embodiment 2: high temperature decorative sheet paint application
(hr) stripping strength of bonding time of adhering object (N/25mm) shearing resistance (MPC) high temperature facing plate-plank 1 35 1.1 high temperature facing plate-planks 24 53
*2.2
** be expressed as material damage.
Claims (2)
1. high temperature resistant green wood strip carboxyl neoprene adhesive for spraying synthesis preparation method, it is characterized in that: drop into weight ratio by material and be the band carboxylated neoprene: resin type gives reactant: mixed solvent: protective agent=15-22: 20-26: 50-60: 0.15, band carboxylated neoprene and a certain mixed solvent are put in the reactor of whipping appts, amount adding resin type gives anti-thing in proportion again, the control temperature in the kettle is at 70～85 ℃, colloidal sol and behind 5～6hr chemical reaction under constantly stirring, amount adds protective agent in proportion, after CPS/25 ℃ of mensuration viscosity meets 400～500, the promptly synthetic product that is prepared into.
2. by the described high temperature resistant green wood strip carboxyl neoprene adhesive for spraying synthesis preparation method of claim 1, it is characterized in that: mixed solvent and ratio thereof are ethyl acetate: hexanaphthene: toluene=50: 20: 30 or ethyl acetate: acetone: toluene=40: 30: 30; Add and comprise that 2,6 ditertiary butyl p cresol is the protective agent of antioxidant 264; It is the resin and the inorganic active agent that comprises ZnO, CaO, MgO that comprises terpine resin, rosin modified phenolic resin, rosin glyceride or resol that resin gives reactant, by weight portions of resin metal active agent=30-40: 6-9, under 50-60 ℃, react and obtain give reactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00116018 CN1342734A (en) | 2000-09-11 | 2000-09-11 | Process for preparing refractory carboxyl chlorobutadiene adhesive for spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00116018 CN1342734A (en) | 2000-09-11 | 2000-09-11 | Process for preparing refractory carboxyl chlorobutadiene adhesive for spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1342734A true CN1342734A (en) | 2002-04-03 |
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ID=4585446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00116018 Pending CN1342734A (en) | 2000-09-11 | 2000-09-11 | Process for preparing refractory carboxyl chlorobutadiene adhesive for spraying |
Country Status (1)
| Country | Link |
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| CN (1) | CN1342734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357384C (en) * | 2006-03-31 | 2007-12-26 | 中国科学院广州化学研究所 | Chloroprene rubber type flame-retardant spray adhesive and process for preparing same |
-
2000
- 2000-09-11 CN CN 00116018 patent/CN1342734A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357384C (en) * | 2006-03-31 | 2007-12-26 | 中国科学院广州化学研究所 | Chloroprene rubber type flame-retardant spray adhesive and process for preparing same |
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Addressee: Yate Novel Material Science and Technology Co Ltd, Wuhan Document name: Notification before expiration of term |
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Addressee: Yate Novel Material Science and Technology Co Ltd, Wuhan Document name: Deemed as a notice of withdrawal |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |