Kompozitna aluminijasta folija

What is composite aluminum foil

Kompozitna aluminijasta folija je funkcionalen material, sestavljen iz aluminijaste folije in drugih materialov. Ima različne lastnosti, kot je antioksidant, toplotna odpornost, odpornost proti koroziji, in toplotno izolacijo, and is widely used in industry, gradbeništvo, food packaging and other fields.

As a common material, aluminum foil is light, tanek, prilagodljiva, effectively blocks ultraviolet rays and high temperatures, and has good thermal conductivity. Uporabite aluminijasto folijo v kombinaciji z drugimi materiali, da izkoristite njihove prednosti in izboljšate splošno učinkovitost.

kompozitna aluminijasta folija

What are the composite materials of composite aluminum foil?

PET

PET je okrajšava za "polietilen tereftalat", običajen termoplastični polimer in član družine poliestra. PET materiali se široko uporabljajo po vsem svetu, predvsem na področju embalaže, vlakna in inženirska plastika.

V kombinaciji z aluminijasto folijo, PET materiali lahko zagotovijo dobre mehanske lastnosti, kot je togost, odpornost proti udarcem in obrabi; medtem ko aluminijasta folija zagotavlja odlične pregradne lastnosti, kot je preprečevanje kisika, prodiranje vlage in svetlobe. Ta sestavljeni material iz PET/aluminijeve folije se pogosto uporablja v embalaži vrhunske hrane, farmacevtskih in kemičnih izdelkov za zagotovitev roka uporabnosti izdelkov in stabilne kakovosti. Poleg tega, PET can also be combined with multi-layer films to make heat shrink films, label films and other functional packaging materials.

PE/LDPE

PE refers to “Polyethylene”, which is a very common synthetic resin. It is a high molecular polymer and is made by polymerizing ethylene monomer. Polyethylene is widely used around the world due to its excellent physical properties and chemical stability.

Polyethylene can be divided into various types based on molecular weight, crystallinity and branched chain structure, kot npr:

Low-density polyethylene (LDPE, Low-Density Polyethylene):

It has good flexibility, ductility and transparency, and is commonly used in plastic bags, plastic wrap, agricultural mulch films, flexible pipes and other products.

Linear Low-Density Polyethylene (LLDPE, Linear Low-Density Polyethylene):

Compared with LDPE, it is more linear in structure, has stronger mechanical properties, in je nekoliko manj pregleden. Široko se uporablja v plastičnih folijah, plastične vrečke, cevi, materiali za izolacijo kablov in druga področja.

Polietilen visoke gostote (HDPE, Polietilen visoke gostote):

Ima visoko trdnost, trdota in odpornost proti obrabi, in je relativno odporen na vročino. Uporablja se predvsem za izdelavo steklenic (kot so steklenice za pomivanje posode, steklenice za mleko), vedra, igrače, vodovodne cevi, velike posode, neživilska embalaža in različne industrije. deli itd.

Polietilen z ultra visoko molekulsko maso (UHMWPE, Polietilen z ultra visoko molekulsko maso):

Ima izjemno visoko udarno trdnost, samomazljivost in odpornost proti obrabi, in se uporablja predvsem v izdelkih z visokimi zahtevami glede zmogljivosti, kot so neprebojni materiali, plošče za drsališče, umetnih sklepov, pomorski kabli in deli vrhunske športne opreme.

PE (polietilen) in kompozit aluminijaste folije je kombinacija polietilenskega filma in aluminijaste folije z lepilom ali drugo kompozitno tehnologijo, da se tvori kompozitni material z različnimi odličnimi lastnostmi. Ta kompozitni material združuje prednosti PE in aluminijaste folije

PVC/PVDC

PVC je okrajšava za "polivinil klorid", ki je običajen sintetični polimerni material, proizveden z adicijsko polimerizacijo monomera vinil klorida (VCM). PVC ima široko paleto uporabe, predvsem na področju gradbeništva, pakiranje, žice in kabli, medicinske opreme, dekoracija pohištva, itd.

PVC (polivinil klorid) in kompozit aluminijaste folije se nanaša na lepljenje PVC materiala in aluminijaste folije skupaj s posebnim postopkom za oblikovanje kompozitnega materiala z več lastnostmi. This PVC aluminum foil composite material combines the advantages of both materials.

PVC characteristics:

• Odpornost na vremenske vplive: PVC material itself has good aging resistance, corrosion resistance and certain weather resistance.
• Strength and flexibility: PVC can provide basic structural strength and can be adjusted to achieve different hardness and flexibility requirements through formula adjustment.
• Električna izolacija: PVC is an excellent electrical insulation material, suitable for use in sheaths of wires and cables or other places that require insulation.

Aluminum foil characteristics:

• Zmogljivost pregrade: Aluminum foil has extremely high barrier properties, which can effectively block the penetration of moisture, kisik, ultraviolet rays, itd., ensuring that the internal materials are not affected by the external environment.
• Resistant to thermal radiation: Aluminum foil can reflect thermal radiation and help maintain stable internal temperature, so it has a significant effect in thermal insulation and heat insulation applications.
• Plastičnost: Although aluminum foil is very thin, it still has a certain degree of plasticity and ductility, and its practicality and adaptability can be enhanced through compounding.

EPE

EPE is the abbreviation of “Expanded Polyethylene”, also known as pearl cotton, which is a new type of environmentally friendly packaging material. It uses a physical foaming process to heat low-density polyethylene (LDPE) and add a foaming agent. It is extruded by an extruder and then cooled and shaped to form numerous independent closed-cell foam materials.

EPE material and aluminum foil are bonded together through a special process to form a new packaging or insulation material with dual performance advantages. EPE usually takes the form of pearl cotton, which is lightweight, mehko, elastic, and shock-absorbing. It is widely used as cushioning packaging and filling materials for various products.

composite-aluminum-foil-production

Common alloys of Composite aluminum foil

Common alloys used to make aluminum foil mainly include the following:

• 1000 serije: kot npr 1235 aluminijasto folijo, which contains more than 99% aluminij, has few impurities and good conductivity. It is mainly used in food packaging, farmacevtska embalaža in druga področja.
• 3000 serije: This type of alloy mainly adds manganese element and has a certain strength, but is less commonly used in aluminum foil production.
• 8000 serije: Kot npr 8011 aluminijasto folijo, which is a commonly used alloy. Due to its good formability and rust resistance, it is widely used in various types of flexible packaging, aluminijasta folija za farmacevtsko embalažo, cable shielding and container foil, itd.
• 8021 aluminijasto folijo: It is also one of the 8000 serije. In addition to being used for ordinary packaging, it is also often used to make high-barrier packaging materials because of its good heat sealing performance.

aluminum foil packaged

Why is aluminum foil used in combination with other materials?

There are several main reasons for the composite use of aluminum foil and other materials:

• Improved safety: Composite aluminum foil can achieve the “short circuit effect” and significantly improve the thermal stability of the battery. When the battery is struck and broken by external force, almost no metal burrs are produced, which avoids puncturing the battery separator, reduces the risk of battery short circuit, and greatly improves battery safety.
• Improve energy density: While the thickness of composite aluminum foil remains unchanged, the amount of aluminum used is greatly reduced, making it lighter in weight. The amount of aluminum used inside the battery is reduced, and the energy density is increased under the same weight, thereby improving the battery’s endurance.
• Improve barrier properties: Aluminum foil is easy to form pinholes during packaging and use, which reduces its barrier properties. Zato, aluminum foil is often made into composite materials with films, polymers or other metal sheets.
• Improve mechanical strength and sealing properties: Although aluminum foil is soft and foldable, it has low mechanical strength and poor sealing properties. By compounding aluminum foil with high-strength, heat-sealable plastic films, pregradne lastnosti, mechanical properties and heat-sealing properties can be obtained. Aluminum-plastic composite flexible packaging material with excellent performance.
• Protecting the quality and safety of pharmaceuticals: Aluminijasto folijo je mogoče zatesniti s tehnologijo toplotnega ali hladnega tesnjenja, da se zagotovi tesnjenje farmacevtske embalaže. To lahko pomaga zaščititi zdravila pred zunanjo kontaminacijo in oksidacijo.

Zato, te prednosti kompozitne aluminijaste folije so natanko težave, ki jih mora tradicionalna baterijska aluminijasta folija nujno rešiti. Z razvojem nove energije in prodorom scenarijev nadaljnjih aplikacij, Pričakuje se, da bo kompozitna aluminijasta folija nadomestila tradicionalno baterijsko aluminijasto folijo in se celo razširila na več drugih področij, postaja naslednji modri ocean novih materialov.

Application fields of composite aluminum foil

Kompozitna aluminijasta folija je funkcionalen material iz aluminijaste folije in drugih materialov. Ima različne lastnosti, kot je antioksidant, toplotna odpornost, odpornost proti koroziji, in toplotno izolacijo. Široko se uporablja v industriji, gradbeništvo, food packaging and other fields.

Kot običajen material za kompozitne materiale, aluminijasta folija ima prednost, da je lahka, tanek, in prilagodljiv. It can effectively block ultraviolet rays and high temperatures, and also has good thermal conductivity. Zato, the composite use of aluminum foil with other materials can bring into play their respective advantages and improve the overall performance of the material.

packaging used composite aluminum foil

In the field of food packaging, composite aluminum foil is widely used. Due to the antioxidant properties of aluminum junctions, it can well protect food from the influence of the external environment and extend the shelf life. Ob istem času, composite aluminum foil can effectively isolate the transmission of oxygen, moisture and taste, maintaining the taste and texture of food. Poleg tega, aluminum foil also has good thermal conductivity and can quickly dissipate heat, allowing the food to cool quickly during the packaging process.

Na področju gradbeništva, aluminum box composite materials are often used as thermal insulation materials. Due to the heat resistance of the aluminum box, it can effectively isolate the indoor and outdoor temperature differences, reduce energy transmission losses and improve the energy-saving performance of the building. Poleg tega, aluminum foil also has good anti-corrosion properties, which can prevent rain and chemicals in the air from corroding building materials and extend the service life of the building.

In the industrial field, composite aluminum foil is often used in the packaging of electronic products. Because the aluminum junction has good electrical conductivity, it can effectively shield electromagnetic radiation and protect the normal operation of electronic products. Ob istem času, aluminum foil also has good antioxidant properties, ki lahko preprečijo, da bi oksidacija poškodovala elektronske komponente.

Na kratko, kompozitna aluminijasta folija, kot funkcionalen material, se pogosto uporablja pri pakiranju hrane, gradbeništvo, elektronski izdelki in druga področja. Njegove prednosti vključujejo svetlobno prilagodljivost, odpornost proti hidrogeniranju, toplotna odpornost, toplotna izolacija in odpornost proti koroziji. Lahko učinkovito izboljša splošno učinkovitost materiala in zadovolji potrebe materialov na različnih področjih.

Packaging conforms to aluminum foil

Vrečke iz kompozitne aluminijaste folije so izdelane iz aluminija in drugih materialov z visoko odpornostjo po suhem mešanju. Material: PET/NY/AL/PE (splošno pakiranje) PET/NY/AL/CPP (kuhanje pri visoki temperaturi); VMPET/CPE ali PET/AL/NY/CPE (antistatična zaščitna vrečka). Debelina: 70~180, mikron: na splošno prilagojeno glede na zahteve kupcev, oblika vrečke: tristransko tesnjenje, samostoječa torba na zadrgo, jin in jang vrečke, sredinski tesnilni organ. Uporaba izdelka: kozmetika, maske za obraz, zdravilni materiali, zdravila, različne rešitve, razna živila, različne PC plošče, IC integrirana vezja, optični pogoni, trdi diski, LCD electronic components, welding materials, elektronski izdelki, vezja, itd. Food packaging films, medicinal packaging films, pesticide packaging films, seed packaging films, industrial product packaging films, facial mask packaging films, solid packaging films, itd. on the market are all composite aluminum foil bags.

The characteristics of composite aluminum foil bags include: PET: good printing effect; N Y: low oxygen permeability; A L: strong barrier and opaque; P E: ordinary packaging inner layer; CPP: high-temperature cooking inner layer. The advantages include: strong air barrier performance, antioksidacija, waterproof and moisture-proof; strong mechanical properties, visoka odpornost na udarce, odpornost proti prebadanju in trganje; odpornost na visoke temperature (121℃), odpornost na nizke temperature (-50℃), oil resistance, It has good fragrance retention performance; it is non-toxic and odorless, and meets the hygienic standards for food and drug packaging; it has good heat sealing performance, softness and high barrier properties.

Aluminum foil for power batteries

Although the market demand for akumulatorsko aluminijasto folijo is strong, as a key auxiliary material for batteries, it also needs to face safety and battery life issues. Composite aluminum foil can solve these problems.

Composite aluminum foil is a new type of composite foil that uses organic polymer materials such as polymer PET as a support layer, deposits metal aluminum on its surface, and plating it into a sandwich structure of “aluminum-PET polymer material support layer-aluminum”. Batteries made from this material have the characteristics of high safety and high energy density.

• (1) Improve thermal runaway and improve battery safety. The sandwich structure allows the composite aluminum foil to achieve the “short circuit effect” and significantly improve the thermal stability of the battery: ko baterijo udari in jo zlomi zunanja sila, almost no metal burrs are produced, which avoids puncturing the battery separator, reduces the risk of battery short circuit, in močno izboljša življenjsko dobo baterije. Varnost; poleg tega, tudi če je v bateriji prišlo do notranjega kratkega stika zaradi predrtja ali drugih razlogov, kratkega stika ni mogoče vzdržati zaradi talilnega učinka kompozitnega odjemnika toka, tako se izognete nevarnosti vžiga in eksplozije baterije.
• (2) Majhna teža, kar pomaga povečati energijsko gostoto. While the thickness of composite aluminum foil remains unchanged, the amount of aluminum used is greatly reduced, kar zmanjšuje njegovo kakovost. The amount of aluminum used inside the battery is reduced, and the energy density is increased under the same weight, thereby improving the battery’s endurance.

Te prednosti kompozitne aluminijaste folije so natanko tisti problemi, ki jih mora tradicionalna baterijska aluminijasta folija nujno rešiti. Z razvojem nove energije in prodorom scenarijev nadaljnjih aplikacij, Pričakuje se, da bo kompozitna aluminijasta folija nadomestila tradicionalno baterijsko aluminijasto folijo in se celo razširila na več drugih področij, postaja naslednji modri ocean novih materialov.

kompozitna aluminijasta folija za baterijo

Drugačen od tradicionalnega postopka priprave za zvijanje aluminijaste folije, oprema za vakuumsko nanašanje kompozitne aluminijaste folije v glavnem odlaga neposredno na površino organskega filma z metodo vakuumskega izparevanja, tako da kovinska aluminijasta plast končno doseže zahtevano debelino za izpolnjevanje tehničnih zahtev akumulatorskega tokovnega zbiralnika. Priprava kompozitne aluminijaste folije vključuje postopek popolnega vakuumskega nanašanja, kar je preprostejše, nima onesnaženja v proizvodnem procesu, in nima nobenih zahtev glede kvalifikacij za varstvo okolja. To je resnično popolnoma suh in okolju prijazen postopek.

EPE pearl cotton composite aluminum film (aluminijasto folijo)

Kompozitna aluminijasta folija iz bisernega bombaža je sestavljena iz bisernega bombaža in aluminijaste folije. Imen je veliko, kot npr: biserna bombažna kompozitna aluminijasta folija, talna podloga iz aluminijaste folije, odporna na vlago, aluminijast kompozitni film perla bombaž, itd. V primerjavi z drugimi kompozitnimi izdelki iz bisernega bombaža, praktična funkcija biserne bombažne kompozitne aluminijaste folije je relativno enojna. But in terms of global warming and the continued high temperature weather this summer, it is a very effective insulation material! After being combined with pearl cotton, it combines the best of both worlds and is shockproof, nepremočljiva, odporen na vlago, dustproof and non-toxic.

EPE composite aluminum foil

Application fields: The demand for pearl cotton composite aluminum film has increased sharply in recent years. It is usually used as a decoration material for inner walls of buildings and indoor furniture. It is also widely used in facades and interior decoration of commercial institutions, especially in packaging, mechanical and electrical and construction industries. Large areas have become essential. The composite aluminum film market is not large horizontally, but it can extend the industrial chain vertically and process aluminum foil materials into end products. The high added value of the products can offset the lack of professional market capacity. Relying on the competitive advantages of professional brands, it can still Obtain better operating benefits.

Introduction to the advantages of composite aluminum foil insulation materials

• (1) Simplify the structure and avoid waste;
• (2) There is no need to install a roof exhaust system;
• (3) The waterproof layer is protected from damage to the waterproof layer by thermal stress, ultraviolet rays and other factors;
• (4) Excellent moisture resistance gives it long-term stable thermal insulation performance and compressive strength;
• (5) It can maintain long-term thermal insulation function, and its durability is equal to the life of the building;
• (6) Hydrophobic insulation materials can be cut and processed with electric heating wires or conventional tools, making construction quick and easy;
• (7) Future roof maintenance will not damage the materials and is convenient and simple;
• (8) High-efficiency insulation materials are used, which is in line with the development direction of building energy-saving technology.