Extra Light Color Hydrogenated Rosinates
The fully light
FOREVEREST® Extra Light Color Hydrogenated Rosinates (
Technical Advice
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SUPER EXCELLENT PERFORMANCE
The hydrogenation degree can be determined by the content of Tetrahydro-resin acid/ester and Dihydro-resin acid/ester. CHRDs show a high level of hydrogenation (see Table 1), which represents the latest hydrogenation technology in China, with an ultra-light color and excellent color stability (see Table 2).
Table 1.High level hydrogenation performance of CHRDs
Label | Composition | Tetrahydro-resin acid/ ester, % | Dihydro-resin and Tetrahydro-resin acid/ester, % | Dehydro-resin acid/ester, % |
400 | Colorless fully hydrogenated rosin | 40 to 60 | 92 min | 10 max |
GEHR100D, GEHR100H | Colorless glyceryl hydrogenated rosinate | 35 to 40 | 92 min | 10 max |
PEHR100D, PEHR100E | Colorless pentaerythritol hydrogenated rosinate | 35 to 40 | 92 min | 10 max |
Table 2.Extra light color stability of CHRDs
Label | Color, @Hazen Unite | Color Stability, @180 to 200°C, 8h, Hazen Unit |
400 | 50 to 100 | 100 max |
GEHR100D, GEHR100H | 150 max or 200 max | 150 max or 200 max |
PEHR100D, PEHR100E | 150 max or 200 max | 150 max or 200 max |
ADVANTAGES OVER OTHER RESINS
Compared to other tackifiers, CHRDs provide an optimum combination of adhesion, clarity, and stability, all important attributes for formulating high-end adhesives. (See Table 3).
Table 3.CHRDs compared with other resins
Advantages over non-hydrogenated rosin resins and partially-hydrogenated rosin resins | Advantages over Hydrogenated hydrocarbon resins |
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END-USE & ALTERNATIVES
Foreverest® Colorless Hydrogenated Rosin Derivatives (CHRDs) are mainly used as tackifiers in adhesives and sealants, especially for acrylic adhesives, while 400 could also be used in soldering fluxes. They are excellent alternatives to Arakawa® products and Eastman® products (see Table 4).
Table 4.Alternatives of CHRDs
Label | End-use | Alternatives |
400 |
|
Eastman® Product Arakawa® Product |
GEHR100D, GEHR100H |
|
Arakawa® Product Arakawa® Product |
PEHR100D, PEHR100E |
|
Arakawa® Product |
NOTE:
(1) Arakawa is the trademark of Arakawa Chemical Industries
(2) Eastman is the trademark of Eastman Chemical Company
EXPLORING THE CHRDs
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