{"id":480,"date":"2018-11-08T06:12:28","date_gmt":"2018-11-08T06:12:28","guid":{"rendered":"https:\/\/www.recycle-plant.com\/?p=480"},"modified":"2026-08-10T15:59:48","modified_gmt":"2026-08-10T07:59:48","slug":"what-kind-of-plastic-is-made-in-disposable-cups-in-life","status":"publish","type":"info","link":"https:\/\/www.recycle-plant.com\/de\/what-kind-of-plastic-is-made-in-disposable-cups-in-life.html","title":{"rendered":"Welche Art von Kunststoff wird in Einwegbechern hergestellt?"},"content":{"rendered":"

PP is a semi-crystalline material. It is harder and has a higher melting point than PE. Since the PP temperature of the homopolymer type is very brittle when it is higher than 0 \u00b0 C, many commercial PP materials<\/a><\/strong> are random copolymers of 1 to 4% ethylene or a clamp copolymer of a higher ratio of ethylene. The copolymer type PP material has a low heat distortion temperature (100 \u00b0 C), low transparency, low gloss, low rigidity, but has a stronger impact strength. <\/p>

The strength of PP increases as the ethylene content increases. The Vicat softening temperature of PP is 150 \u00b0C. Due to the high degree of crystallinity, this material has excellent surface stiffness and scratch resistance. There is no environmental stress cracking problem in PP. The PP is usually modified by adding glass fibers, metal additives or thermoplastic rubber.<\/p>

Die Durchflussrate von PP hat einen MFR von 1 bis 40. Materialien mit niedrigem MFR haben eine bessere Schlagfestigkeit, aber eine geringere Dehnung. Bei Materialien mit demselben MFR ist die Festigkeit des Copolymer-Typs h\u00f6her als die des Homopolymer-Typs. \"PP<\/p>

Due to crystallization, the shrinkage rate of PP is quite high, generally 1.8 to 2.5%. And the direction uniformity of shrinkage is much better than materials such as PE-HD. <\/p>

The addition of 30% glass additive can reduce the shrinkage to 0.7%. Both the homopolymer type and the copolymer type PP materials have excellent moisture absorption resistance, acid and alkali corrosion resistance, and solubility resistance. However, it is not resistant to aromatic hydrocarbons (such as benzene) solvents, hydrogen chloride (carbon tetrachloride) solvents, and the like. <\/p>

PP does not have oxidation resistance at high temperatures like PE, and it is harmful to the human body.<\/p>

Einwegbecher, die im t\u00e4glichen Leben verwendet werden, bestehen in der Regel aus PC- und PP-Kunststoff.<\/h3>

PC ist ein amorphes Ingenieurmaterial mit au\u00dfergew\u00f6hnlicher Schlagfestigkeit, thermischer Stabilit\u00e4t, Glanz, bakterieller Hemmung, flammhemmenden Eigenschaften und Fleckenbest\u00e4ndigkeit. Der Abstand von PC<\/p>

Die Festigkeit ist sehr hoch und die Schrumpfrate ist sehr niedrig, im Allgemeinen 0,1 % bis 0,2 %. PC hat gute mechanische Eigenschaften, aber die Flie\u00dfeigenschaften sind schlecht, daher ist dies<\/p>

Der Spritzgussprozess von Materialien ist schwierig. Bei der Auswahl des geeigneten PC-Materials sollte man sich an den endg\u00fcltigen Erwartungen des Produkts orientieren. Wenn das Kunststoffteil eine hohe Schlagfestigkeit erfordert, sollte man ein Material mit niedriger Flie\u00dff\u00e4higkeit verwenden.<\/p>

Kinetisches PC-Material; im Gegensatz dazu k\u00f6nnen hochflie\u00dfende PC-Materialien verwendet werden, um den Spritzgussprozess zu optimieren.<\/p>

PP Polypropylen: Schmelztemperatur: 220~275 \u00b0C.<\/p>","protected":false},"excerpt":{"rendered":"

Disposable cups used in daily life are generally made from PP polypropylene or PC plastic. This article compares PP\u2019s crystallinity, heat resistance, shrinkage, chemical resistance, and impact strength with PC\u2019s strong impact performance, thermal stability, flame retardance, and injection molding challenges, highlighting key material properties relevant to plastic cup production.<\/p>","protected":false},"author":1,"featured_media":490,"parent":0,"template":"","tags":[81],"info-type":[2],"class_list":["post-480","info","type-info","status-publish","has-post-thumbnail","hentry","tag-pp-pe-flake-products-recycling-and-pelletizing-machine","info-type-news"],"taxonomy_info":{"post_tag":[{"value":81,"label":"PP PE flake products recycling and pelletizing machine"}],"info-type":[{"value":2,"label":"Case & News"}]},"featured_image_src_large":["https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2018\/11\/PP-PE-flake-products-recycling-and-pelletizing-machine6.jpg",720,540,false],"author_info":{"display_name":"Ella","author_link":"https:\/\/www.recycle-plant.com\/de\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/info\/480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/media\/490"}],"wp:attachment":[{"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/media?parent=480"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/tags?post=480"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/www.recycle-plant.com\/de\/wp-json\/wp\/v2\/info-type?post=480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}