plastic wikipedia - EAS
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Xem tất cả trên WikipediaPlastic - Wikipedia
https://en.wikipedia.org/wiki/PlasticPlastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptability, plus a wide range of other properties, such as being
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Xem thêmThe word plastic derives from the Greek πλαστικός (plastikos) meaning "capable of being shaped or molded," and in turn from πλαστός (plastos) meaning "molded." As a nounthe word most commonly refers to the solid products of
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Most plastics contain organicpolymers. The vast majority of these polymers are formed from chains of carbon atoms, with or without the attachment
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Xem thêmPlastics are usually classified by the chemical structure of the polymer's backbone and side chains. Important groups classified in this way include the acrylics, polyesters, silicones, polyurethanes, and halogenated plastics. Plastics can be classified by the chemical
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Xem thêmCommodity plastics
Around 70% of global production is concentrated in six major polymer types, the so called commodity plastics. Unlike most other plastics these can often be identified by their resin identification code (RIC):...
Xem thêmThe largest application for plastics is as packaging materials, but they are used in a wide range of other sectors, including: construction (pipes,
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Xem thêmAdditives are chemicals blended into plastics to change their performance or appearance, making it possible to alter the properties of plastics to better suit their intended applications.
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Xem thêmThe plastic industry includes the global production, compounding, conversion and sale of plastic products. Although the Middle East and Russia produce most of the required
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồiPlastic - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/PlasticYou can help Wikipedia by finding good sources, and adding them. (August 2019) These objects are all made out of plastic. Amber, a naturally-occurring plastic. A plastic is a material that can change its shape easily. Many things are made of plastics, some types of wood can be made out of plastic, usually because making them to the right shape ...
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Plastic pollution - Wikipedia
https://en.wikipedia.org/wiki/Plastic_pollutionPlastic pollution is the accumulation of plastic objects and particles (e.g. plastic bottles, bags and microbeads) in the Earth's environment that adversely affects wildlife, wildlife habitat, and humans. Plastics that act as pollutantsare categorized by size into micro-, meso-, or macro debris. Plastics are inexpensive and durable making them very adaptable for different uses; as a result human…
Wikipedia · Nội dung trong CC-BY-SA giấy phépChất dẻo – Wikipedia tiếng Việt
https://vi.wikipedia.org/wiki/Chất_dẻoXem thêm trên vi.wikipedia.orgHầu hết chất dẻo chứa các polyme hữu cơ. Phần lớn các polyme này có nguồn gốc từ các chuỗi chỉ có các nguyên tử cacbon hoặc kết hợp với oxy, lưu huỳnh hoặc nitơ. Để tạo ra các đặc điểm của chất dẻo, các nhóm phân tử khác nhau được liên kết vào mạch cacbon tại những vị trí thích hợp. Cấu trúc của các chuỗi …- Thời gian đọc ước tính: 13 phút
Plastic - Wikipedia
https://ro.wikipedia.org/wiki/PlasticXem thêm trên ro.wikipedia.orgÎn 1908, chimistul Jacques Brandenberger descoperă celofanul, a cărui denumire o patentează în 1912.În 1909, belgianul Leo Baekeland inventează prima materie plastică sintetică, care avea să îi poarte numele, rășina fenolformaldehidică bachelită. Primele materiale plastice au fost produse din transformarea materiale…- Thời gian đọc ước tính: 7 phút
Plastic — Wikipédia
https://fr.wikipedia.org/wiki/PlasticLe plastic est un type d'explosif très puissant composé d'hexogène ou de penthrite, de liants (gomme styrène-butadiène), de plastifiants (bis-2-éthylhexyl-adipate ou -sébaçate) et parfois d'huile minérale.Le mélange RDX / penthrite est la base explosive du plastic d'origine tchèque Semtex.. Très utilisé par les militaires, du fait de sa mise en œuvre simple, rapide et sûre, il l ...
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Plàstic - Viquipèdia, l'enciclopèdia lliure
https://ca.wikipedia.org/wiki/Plàstic- El mot plàstic deriva del mot llatí plasticus, que al seu torn prové de les paraules gregues πλαστικός (plastikos) i πλαστός (plastos), que fan referència a la seva mal·leabilitat, la capacitat de ser modelat per tal de donar-li qualsevol forma física (pel·lícules, fibres, tubs, ampolles, caixes, ...), utilitzant diferents mètodes (fusió, extrusió, pressió, ...). La paraula es va utilitzar originalme…
- Substància química: matèria orgànica
