Indian Plastics Institute Mumbai Chapter organised a joint technical seminar on Liquid colorants which was sponsored by Colortek (India) Ltd. On 19th April 2019 at Hotel Tunga International, Andheri.
The event started with the lighting of the lamp by the dignitaries.
Welcoming the attendees, Mr Kunal Kamdar, chairman. IPI Mumbai chapter spoke about the activities of the Institute and also about the agenda for the seminar. Mr Parag Dave, secretary IPI Mumbai chapter introduced the speakers for the day.
Mr Prashant G Choksey, MD Colortek(India) Ltd., the first speaker gave a background to his company and traced the journey of Colortek who had introduced the concept of liquid colorants. He also gave a brief about the other associate companies, namely HMP Minerals and the strategic role they play in the plastics industry.
Prof Dr M A Shenoy, Adjunct professor, ICT gave a detailed lecture on 'Colorants—Prospective candidates for plastics coloration'. He started of by giving a perspective about the size of the plastics industry in India. He said that thermoplastics polymer consumption is expected to grow at 9% from 14550KT in 16-17 to about 18910 KT in 19-20, while thermoplastics and thermosets will reach 20000KT by 2020.
Giving details about the size of the masterbatch industry in India, he said that demand for colors and additives would grow from 360KT in 16-17 to 605KT in 19-20, while filler master batch would rise from 762KT 16-17 to 1035KT in 19-20. He then listed out the growth drivers for masterbatches. However the salient point to be considered are: Initial dry solid mixing; Overcoming surface energy in mixing; High melt viscosities of polymers with solid colorants; Dusting due to solid colorants and fillers; Limitations in grinding for agglomerates and fillers; Achieving tertiary and difficult colour shades, thus limitations in colour availability. Introducing the topic of liquid colorants, he said the textbook definition is as follows: 'Fluid colour concentrates that are free flowing dispersion of pigments in carriers that are compatible with the base polymer matrix'. He said that the global consumption of liquid colour concentrates is growing at a CAGR of 6.5% and Asia Pacific has the largest marketsize. The advantages of the use of liquid colorants during plastics manufacturing are: Accurate additions with metering methods; Effective and consistent dosing; Lower dispersion energies in polymer matrix in liquid state; Does not require melting prior to mixing with polymers and ease of obtaining tertiary and difficult coloured plastics. He then discussed about the customization available to customers from Colortek as also the prompt follow up services. He also gave some examples of use of colorants in PP, HIPS and ABS. Later Mr Ravindra Hola, Director Technical, Intercontinental Polymers, spoke on the topic “Minerals for enhancement of thermoplastics & polyurethane”. He started his talk by giving the types of industrial minerals, their cost and quality considerations; the market values of industrial minerals. He ended is talk with a glimpse into the future of industrial minerals in plastics. The participants asked a lot of questions which was ably fielded by the speakers and their team(Colortek).
The meeting ended with a vote of thanks by Mr Umang Shah and was followed by a sumptuous dinner and cocktails.
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