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    Location:Home>Products>Water-based resin

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    Water-based resin
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    水性Bayhytherm 3146

    水性Bayhytherm 3146

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    • Introduction
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    • Bayhytherm? 3146

      Characterization ? ? ? Water-reducible, aliphatic, self-crosslinking stoving

      ???????????????????????? urethane resin.Binder for waterborne, one-component

      ???????????????????????? stoving polyurethane systems
      Form supplied????????? approx. 46 % waterborne dispersion


      Specification
      Property?????????????? Value?????????? Unit of measurement?????? Method
      Acid value???????????? 8.0 ± 1?????????? mg KOH/g??????????? DIN EN ISO 2114
      Viscosity
      at 23 °C, (D = approx. 186 s-1)
      ?????????????????????? 700 ± 500???????? mPa·s????????????? DIN EN ISO 3219/A.3
      Non-volatile content
      (1 g / 1 h / 105 °C)
      ?????????????????????? 46 ± 1 ? ? ? ? ? ?? %???????????????? DIN EN ISO 3251
      pH
      (thinned 1 : 4 with deionized water)
      ?????????????????????? 7.85 ± 0.65?????????????????????????? DIN ISO 976


      Other data*
      Property?????????????? Value?????????? Unit of measurement ? ? ? Method
      Density??????????????? approx. 1.10?????? g/ml??????????????? DIN EN ISO 2811
      Visual appearance????? yellowish-white, cloudy
      Dimethylethanolamine?? approx. 1?????????? %


      *These values provide general information and are not part of the product specification.



    • Bayhytherm? 3146

      Solvent????????????? Water????????????????????? approx.????????? 49%
      ????????????????????? Solventnaphtha? 100??????? approx. ? ? ? ? ? 2%
      ????????????????????? N-methyl pyrrolidone?????? approx.?????????? 1%
      ????????????????????? 1-methoxypropylacetate-2?? approx.?????????? 1%


      Solubility / thinnability??

      ????????????????????? Bayhytherm? 3146 can be diluted with water, esters,

      ????????????????????? ketones, alcohols, glycols and glycol ethers.
      ????????????????????? However, the solutions formed must be tested for their

      ????????????????????? storage stability.


      Compatibility?????? Bayhytherm? 3146 is compatible with Bayhydrol? E 270, U

      ????????????????????? 241, UH 2621 and Bayhytherm? VP LS 2153; with blocked

      ????????????????????? polyurethane dispersions such as Bayhydur? BL 5140, VP LS

      ????????????????????? 2310 and Bayhydur? BL XP 2706 and also with amino resins

      ????????????????????? such as Cymel? 303, 328, 3701) and Maprenal? MF 9042).
      ????????????????????? However, the compatibility of the combinations used should

      ????????????????????? always be tested.
      ????????????????????? 1) Cytec Deutschland GmbH, Neuss
      ????????????????????? 2) INDEOS Melamines GmbH, Frankfurt/Main

      Properties / Applications

      ????????????????????? Bayhytherm? 3146 is used for the formulation of waterborne,

      ????????????????????? one-component baking systems such as waterborne fillers or

      ????????????????????? general purpose industrial coatings. Coating films based

      ????????????????????? on Bayhytherm? 3146 exhibit extraordinary impact strength,

      ????????????????????? adhesion and overcoatability. Bayhytherm? 3146 can also be

      ????????????????????? used as an additive to conventional waterborne stoving

      ????????????????????? systems to improve flexibility, impact strength and

      ????????????????????? adhesion.
      ????????????????????? The product is characterized by greater reactivity and

      ????????????????????? better pigment wetting and thermal stability than the

      ????????????????????? self-curing Bayhytherm? VP LS 2153. Because it is easier

      ????????????????????? to dilute, it also offers advantages with respect to the

      ????????????????????? solids content and filling power of the coating systems at

      ????????????????????? spray viscosity.
      ????????????????????? Typical curing parameters are 30 min at 130 °C. The

      ????????????????????? product exhibits overbaking stability up to 120 min at 190

      ????????????????????? °C. Slight thermal yellowing may occur depending on the

      ????????????????????? baking temperature and time.


      Storage?????????????? -Storage in original sealed Bayer MaterialScience container.


      ????????????????????? -Recommended storage temperature: 5 - 23 °C.


      ????????????????????? -Protect from frost, heat and foreign material.


      ????????????????????? General information: The product is sensitive to frost.

      ????????????????????? Freezing will damage the product irreversibly. Prolonged

      ????????????????????? storage at higher temperatures may result in a decrease

      ????????????????????? of viscosity and/or an increase of average particle size,

      ????????????????????? possibly resulting in sedimentation or coagulation.

      Storage time???????? Bayer MaterialScience represents that, for a period of

      ????????????????????? three months following the day of shipment as stated in

      ????????????????????? the respective transport documents, the product will meet

      ????????????????????? the specifications or values set forth in section

      ????????????????????? "specifications or characteristic data" above, what ever

      ????????????????????? is applicable, provided that the product is stored in

      ????????????????????? full compliance with the storage conditions set forth in

      ????????????????????? and referenced under section "storage" above and is

      ????????????????????? otherwise handled appropriately.
      ????????????????????? The lapse of the three months period does not necessarily

      ????????????????????? mean that the product no longer meets specifications or

      ????????????????????? the set values. However, prior to using said product,

      ????????????????????? Bayer MaterialScience recommends to test such a product

      ????????????????????? if it still meets the specifications or the set values.

      ????????????????????? Bayer MaterialScience does not make any representation

      ????????????????????? regarding the product after the lapse of the three
      ????????????????????? months period and Bayer MaterialScience shall not be

      ????????????????????? responsible or liable in any way for the product failing

      ????????????????????? to meet specifications or the set values after the lapse

      ????????????????????? of the three months period.

      Labeling and REACH applications

      ????????????????????? This product data sheet is only valid in conjunction with

      ????????????????????? the latest edition of the corresponding Safety Data Sheet.

      ????????????????????? Any updating of safety-relevant information- in accordance

      ????????????????????? with statutory requirements – will only be reflected in

      ????????????????????? the Safety.
      ????????????????????? Data Sheet, copies of which will be revised and

      ????????????????????? distributed. Information relating to the current

      ????????????????????? classification and labeling, applications and processing

      ???????????????????? ?methods and further data relevant to safety can be found

      ????????????????????? in the currently valid Safety.
      ????????????????????? Data Sheet.


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