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Imenpol blog

2024/10/10

One-component polyurethane foam (OCF)

One-component polyurethane foam (OCF) is a pre-mixed, self-expanding foam used for insulation and sealing in construction. It comes in cans, expands upon application, and cures within hours. OCF is adhesive, weather-resistant, and requires safety precautions due to its flammability.
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Hydroponic polyurethane foam
2024/09/26

Hydroponic polyurethane foam as a cultivation media

Hydroponic polyurethane foam offers a sustainable soil alternative for efficient plant growth and resource use. With high water absorption and reusability, it supports long-term cultivation despite challenges with non-renewable materials. Future research aims to enhance its environmental benefits and food security contributions.
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why does foam turn yellow
2024/09/23

Yellowing in polyurethane foam

Almost all polymers are prone to yellowing during processing and use, and the most fundamental reason for yellowing is the instability of polymer structure, which is easily affected by light, oxidation, high temperature and so on.
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2024/09/23

Misconceptions about polyurethane foams

Polyurethane foams have become an integral part of human life today in various dimensions. These foams can be rigid or flexible depending on the changes in their formulation, and are used in a variety of applications such as construction, automotive, furniture, bedding, and so on.
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Scorching phenomenon in polyurethane foams
2024/09/23

Scorching phenomenon in polyurethane foams

During the continuous production process of slabstock foams, if some basic variables are not properly controlled, for instance, ambient temperature, ventilation and humidity on storage, quality of polyols and isocyanates, and so on a thermal oxidation reaction or thermooxidation occurs and can lead to boost fire or burning of the foam.
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برچسب: Polyurethane foam