深圳新志和新材料有限公司

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进口145Dymerex

进口145Dymerex

  • Application/Uses
    Assembly,Bookbinding,Caulks and Sealants,Contact Adhesives,Footw ear and Leather,Hot Melt Adhesives
    Laminating,Pressure sensitive adhesives,Solventborne Adhesives,Tapes and Labels,Wire and Cable

    Key Attributes
    Alcohol-soluble,Non-crystalline,Resistant to oxidation,Thermoplastic rosin acid,Very high softening point

    Product Description
    Dymerex™ modified rosin is a pale, acidic, thermoplastic, high softening point resin. It is composed predominately of dimeric acids derived from rosin w ith lesser amounts of monomeric resin acids and neutral materials of rosin origin. Dymerex™ modified resin has high resistance to oxidation and does not crystallize from solutions or from solid compositions. It is compatible with many natural and synthetic film formers and rubbers. Being an acidic resin, it reacts readily w ith polyalcohols or hydrated lime to yield high melting derivatives.
  

Typical Properties

Property

Test Method

Typical Value,Units

Ring and Ball Softening Point

ASTM E 28

144°C

Color,Gardner a

 

9

Color,USRG Rosin Scale

 

N

Acid Number (mg KOH/g)

 

145

Molecular Weight Distribution b

 

 

Mn

 

412

Mw

 

487

Mz

 

582

Mw/Mn

 

1.18

Melt Viscosity,Brookfield Thermosel

 

 

@150℃

 

153,000 cP

@170℃

 

7,000 cP

@190C

 

740 cP

@210°C

 

145 cP

Density @20°℃

 

1.069 kg/L

 

Compatibility and SolubilityCompatible w ith ethylcellulose, natural rubber, SBR (styrene-butadiene), polychloroprene, drying oils, alkyd resins, shellac, low molecular w eight polyethylene, paraffin and microcrystalline w axes.
Soluble in aromatic, aliphatic and chlorinated hydrocarbons, esters, ketones, and higher molecular w eight alcohols. Insoluble in methanol, ethanol, isopropanol and w ater.

 

PackagingDymerex™ Polymerized Rosin is packed in aluminum-kraft-bags of 25 kg net, and supplied on shrink-w rapped pallets of 28 bags each.

 

StorageBecause of the extremely large surface area they present, flaked forms of resins are prone to gradual oxidation, some more so than others. This could result in darkening and/or it could have an adverse effect on solubility in organic solvents. It is strongly recommended that strict control of inventory be observed at all times, taking care that the oldest materials is used first. Dymerex™ Polymerized Rosin material w ill remain w ithin product specification limit for a period of at least 18 months after shipment from Eastman's production facilities, provided storage conditions outlined in this data sheet are observed. How ever, as w e can neither anticipate the conditions under w hich the resin is processed nor the end use applications for w hich it is used,we recommend that the material be tested upon receipt.

 

备注：本资料仅提供参考，并不构成本公司承担法律责任的保证陈述。本公司若对相关内容进行调整，恕不另行通知。