Covestro PC and TPU materials: creating a new transparent window solution

HC Plastics News:

Covestro presents innovative film solutions at TRUSTECH, held in Cannes, France from November 27th to 29th, 2018, through the polycarbonate (PC) film of the gramford® range and the thermoplastic polyurethane of the Platilon® range. (TPU) film, a transparent window solution for creating new license data pages.

Covestro PC and TPU materials: creating a new transparent window solution

Covestro PC and TPU materials: creating a new transparent window solution

Transparent window solution: higher security

In the field of identity documents, the role of transparent windows on ID card and passport personal data pages is becoming more and more significant. Covestro has created a new window concept that takes the transparent window security concept to a whole new level by optimizing the polycarbonate license structure process and streamlining the production process, while making the license more difficult to tamper with and copy by criminals.

For the manufacture of ID cards, a flat, even surface is important. Covestro has developed a very thin opaque film that is especially suitable for seamless connection in transparent window applications.

With this innovative film solution, it is no longer necessary to fill the window area of ​​the card after cutting with additional transparent piece material and process. During the lamination process, the transparent coating layer can naturally fill the chopped film window area.

This innovative structure provides more space for the transparent layer and higher security, even for complex window shapes. The thin opaque film further simplifies the lamination process and shortens the manufacturing cycle.

More streamlined production process

“We are proud to offer our customers solutions that streamline the production process,” explains CengizYesildag, Head of Global ID/Security at Covestro. “The gram-free® ID opaque film offers the advantage of making it easier to build a transparent window for a security card while reducing the lamination cycle.”

This model is also awarded the “Blue Shield Cup” security technology innovation award at the 13th Card Ticket Safety Technology Exhibition and Summit Forum.

Next generation TPU hinge material

Another research project by Covestro: The Platilon® range of thermoplastic polyurethane (TPU) films also improved the interior design of the passport. The TPU Passport Hinges solution securely integrates PC-formatted data pages into a new generation of electronic passports. In addition, the TPU film has a fabric texture characteristic that imparts high resistance to breakage and bending resistance.

Covestro will present a new Platilon® ID film at TRUSTECH, which will further increase the fracture resistance of the new film by 35% compared to the standard product Platilon® ID9122.

Editor in charge: Yao Chunlin

PPS plastics is a kind of advanced plastics with excellent comprehensive performance.PPS plastics has excellent high temperature resistance, corrosion resistance, resistance to radiation, flame retardant, physical and mechanical properties of the equilibrium and excellent dimensional stability and excellent electrical characteristics, are widely used as structural polymer materials, widely used as modified by filling, advanced plastics

At the same time,  PPS plastics can be made into various functional films, coatings and composite materials, which can be successfully applied in electronics, aerospace, automobile transportation and other fields.In recent years, domestic enterprises have actively developed and developed a certain production capacity, which has changed the situation of completely relying on imports.However,  PPS plastics technology in China still has problems such as low product varieties, low functional products, and rapid expansion of capacity. These will be the focus of the next development of PPS. 

Features:

PPS plastics has the advantages of high mechanical strength, high temperature resistance, high flame retardant and chemical resistance.PPS plastics has the advantages of hard and brittle, high crystallinity, hard burning, high thermal stability, high mechanical strength and excellent electrical performance. 

PPS plastics is one of the best heat-resistant varieties in engineering plastics. Thermal deformation temperature is generally greater than 260 degrees and chemical resistance second only to PTFE plastic, which is second only to nylon. 

In addition, PPS plastics  also has the forming shrinkage rate small (about 0.08%), the water absorption rate is low (about 0.02%), good fire resistance, strong vibration fatigue and other advantages. 

Weight: 1.36 g/cm3 molding shrinkage rate: 0.7% molding temperature: 300-330 ℃

Material properties of PPS plastics

1, Good electric insulation (especially high frequency insulation), white hard and brittle, fell on the ground have metal sound, light transmittance after organic glass, coloration water resistance, good chemical stability.Good flame retardant, for non - combustible plastics. 

2, Strength, good rigidity, but qualitative fragile brittle, easy to produce stress will not endure the benzene. Gasoline and other organic solvents. Long-term use of temperature can reach 260 degrees, 400 degrees of stability in the air or nitrogen.By adding Glass Fiber reinforced materials or other modification, can greatly improve the impact strength, heat resistance and other mechanical properties are improved, the density increases to 1.6-1.9, molding shrinkage rate to 0.15 0.25% smaller is suitable for production of heat-resistant parts. Insulation parts and chemical equipment. Spare parts such as optical instruments.

The forming property of PPS plastics

1. Amorphous material, moisture absorption is small, but appropriate drying to form. 

2. The liquidity is between ABS plastics and PC plastics, solidify fast, shrink, easy to break down, choose high injection pressure and injection speed.The temperature is 100 to 150 degrees.The main channel taper should be large and the runner should be short. 

The disadvantages of PPS plastics are brittleness, poor toughness and low impact strength. After the improvement, excellent comprehensive performance can be obtained, and the products sold in the market are all improved products.

PPS Plastic Sheet

PPS plastics are widely used in:

Electronic aspects: depending on the machine, the high-voltage element, shell, socket, on the computer terminal, the starting of the motor coil, leaf, brush bracket and the rotor insulation parts, contact switch, relay, electric iron, hair dryer, lamp holder, warm air blower, F film, etc. 

Automobile industry: applicable to exhaust recirculation valve and pump impeller, and vaporizer, exhaust device, exhaust control valve, light reflector, bearing, sensor parts, etc. 

Mechanical industry: used as bearings, pumps, valves, pistons, precision gears, and photocopiers, cameras, computer parts, catheters, sprays, oil sprays, instruments and instruments. 

Chemical industry: used for the production of corrosion resistant parts such as valve pipes, fittings, valves, gaskets and submersible pumps or impeller.


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