Waqas Ahmed .

5 Questions 9 Answers 0 Followers

Questions related from Waqas Ahmed .

Anyone knows about manufacturing of catalin phenolic resin?

I am working on resole and Novolak phenolic resin but my new tast is to develop Catalin phenolic resin which can be shaped into different colors. Thanks

26 August 2019 429 2 View

Hello everyone ! I made PU Rexine but its surface become sticky and oily after 24 hours, please help me in this regard,,?

Initially when it is prepared, its surface is clean looks good but after some hours it start to turn oily surface, plz refer any additive to sort out the problem thanks

10 April 2018 5,589 2 View

When i say Highly polymerized polyvinyl acetate, does it mean more solid contents of PVAc? please guide how can we increase degree of polymerization?

I need highly polymerized polyvinyl acetate but don't know how to get it, please guide. i want to make polyvinyl alcohol from this acetate

05 December 2017 4,732 3 View

What will be the physical changes if we increase the PH of a chemical by adding a base? Will it degrade to its componets which were acidic in nature?

i am talking about phenol formaldehyde

29 November 2016 5,135 1 View

Can we maintain the calorific value of fuels after deuslphorization of petroleum?

13 March 2015 5,095 6 View