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Hydrogenated DCPD resin used in Hot Melt Road Marking (HMRM)

IP.com Disclosure Number: IPCOM000250061D
Publication Date: 2017-May-24
Document File: 6 page(s) / 243K

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The IP.com Prior Art Database


This article discusses about formulating an HMRM using a hydrogenated DCPD (H2 DCPD) based resin. This type or resin brings advantages such as good heat stability and potential to improve compound's color. However formulation redesign is required due to the DCPD microstructure compared with traditional HMRM formulations. Advantage of improvement on mechanical strength is confirmed by comparing this resin with traditional C5 hydrocarbon resin (C5 HCR). An optimal formulation obtained in this study achieves an equivalent performance to traditional compositions. Further study indicates oil content is also an important factor to balance compound's performance.

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Hydrogenated DCPD resin used in Hot Melt Road Marking (HMRM) 


This article discusses about formulating an HMRM using a hydrogenated DCPD (H2 DCPD) based resin.  This type or resin brings advantages such as good heat stability and potential to  improve compound’s  color.  However  formulation  redesign  is  required  due  to  the  DCPD  microstructure  compared  with  traditional HMRM  formulations. Advantage  of  improvement  on mechanical  strength  is  confirmed  by  comparing this resin with traditional C5 hydrocarbon resin (C5 HCR). An optimal formulation obtained in  this study achieves an equivalent performance  to  traditional compositions. Further study  indicates oil  content is also an important factor to balance compound’s performance.  


HMRM  is  an  important  segment  for  hydrocarbon  resin  with  a  large  market  volume.  Generally  acid  modified C5 aliphatic resins are used  in this application. The key function of the resin  is to, 1) provide  fluidity, and, 2) bind fillers together. 




Compared with traditional C5 HCR, DCPD based resin has a higher density and lower molecular weight.  This  results  in  a  different  performance  of  the  final  HMRM  compound.  However,  DCPD  resin  brings  excellent  mechanical  strength  to  HMRM  compound.  Furthermore  hydrogenation  brings  a  white  appearance and better heat stability which provide ...