際際滷shows by User: RaulMacena / http://www.slideshare.net/images/logo.gif 際際滷shows by User: RaulMacena / 際際滷Share feed for 際際滷shows by User: RaulMacena https://cdn.slidesharecdn.com/profile-photo-RaulMacena-48x48.jpg?cb=1661515850 Research and Development - Polyamide and Intermediates. Development of new technologies for polymers, especially polyurethanes.