Tackifying resin emulsion, aqueous adhesive and/or adhesive composition, and adhesive and/or adhesive sheet
A tackifying resin emulsion and composition technology, applied in the field of tackifying resin emulsion, water-based adhesive and/or adhesive composition and adhesive and/or adhesive sheet, can solve the problem of low transparency, low transparency of emulsion-type adhesive, Insufficient compatibility and other problems, to achieve the effect of excellent compatibility and high transparency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment
[0102] Hereinafter, the present invention will be described in more detail with examples and comparative examples, but the present invention is not limited to these. As long as there is no special statement, "parts" and "%" in the examples are quality standards.
[0103]
[0104] Regarding the weight average molecular weight of the petroleum resins (B-1) to (B'-3) in Production Examples 14 to 22, a gel permeation chromatograph (manufactured by Tosoh Corporation, trade name "HLC-8320GPC") was used to pass Three chromatographic columns (manufactured by Tosoh Corporation, brand name "TSKgelSuperHM-L") were connected for measurement, and it was determined by polystyrene conversion.
[0105] NMR / S NMR ) Calculation>
[0106] For the petroleum resins (B-1) to (B'-3) in Production Examples 14-22, each was dissolved in a deuterated chloroform solvent to prepare a 5% (w / v) solution. For this solution, use A commercially available 1H-NMR device (product name "Varian UnityyINOVA-400", 400M...
manufacture example 1
[0110] In a reaction vessel equipped with a stirring device, a thermometer, a reflux condenser, a dropping funnel, and a nitrogen introduction pipe, 43.4 parts of water and polyoxyethylene alkyl ether sulfate ammonium salt (anionic emulsifier: commercial Name "HITENOL LA-16", manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.) 0.92 parts of aqueous solution, heated to 70°C. Next, a mixture composed of 90 parts of butyl acrylate, 7 parts of 2-ethylhexyl acrylate and 3 parts of acrylic acid, 0.24 parts of potassium persulfate (polymerization initiator), 0.11 part of sodium bicarbonate (pH adjuster), and 1 / 10 of the initiator aqueous solution composed of 8.83 parts of water was added to the reaction vessel, and the prepolymerization reaction was performed at 70°C for 30 minutes under a nitrogen stream. Next, the remaining 9 / 10 of the above mixture and the above initiator aqueous solution were added to the reaction vessel over 2 hours to perform emulsion polymerization, and the...
manufacture example 2
[0113] Put 100 parts of polymerized rosin (acid value 145mgKOH / g, softening point 140℃) and 14 parts of pentaerythritol into a reaction vessel equipped with a stirring device, a condenser, a thermometer, and a nitrogen introduction tube / steam introduction tube. After reacting at 250°C for 2 hours, the temperature was further increased to 280°C and reacted at this temperature for 12 hours to complete the esterification. Then, moisture and the like were removed under reduced pressure to obtain a polymerized rosin ester (A-1) having a softening point of 160°C.
PUM
| Property | Measurement | Unit |
|---|---|---|
| softening point | aaaaa | aaaaa |
| softening point | aaaaa | aaaaa |
| softening point | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More