New Renault Clio has injection molded hatch

Published: November 9, 2012 6:00 am ET

Related to this story

Topics Automotive Materials Design
Companies & Associations

BERWYN, PA. (Nov. 9, 11:45 a.m. ET) — Styron LLC has been involved in a two-year development project leading to the launch of a thermoplastic hatch on the new Renault Clio car. The hatch is injection molded in three PP compounds developed by Styron.

The inner skin is injection molded using a talc filled PP compound. This connects to the structural part which is produced with a concentrated long glass fiber-filled PP resin (LGF-PP) developed by Styron. The concentrate is blended at the molding machine with a PP copolymer resin.

The outer skin is made with a blend of a PP impact copolymer grade, a specifically formulated 70 percent talc masterbatch and color concentrate. Styron says this method, which it calls Inspire At-Press, allows for a tailored mechanical performance to meet the specific application requirements.

“The automotive industry has been looking for alternatives to steel for lift-gates [hatches] for many years. Weight savings, styling freedom and function integration are the main objectives,” said Marjolein Groeneweg, marketing manager at Styron Automotive.

Berwyn-based Styron supported Renault in the engineering phase with process simulations to develop a thermoplastic hatch, as the company wanted the hinges and the closing mechanism to be hidden. The company also addressed issues to do with external conditions, such as exposure to high/low temperature in humid environment which can cause deformation.

Styron said LGF-PP was used to help improve impact resistance, expansion and durability of the structural part of the hatch. Using a material with higher glass content improves the stiffness and toughness of the structural part.

The company said that choosing a material composition and manufacturing process that achieves the desired glass fiber length distribution was critical to meeting the specific performance requirements of the Clio's hatch.

In addition, Styron also supported Renault in selecting the appropriate plasticizing screw to maintain the required fiber length and also in optimizing the injection mold design.


Comments

New Renault Clio has injection molded hatch

Published: November 9, 2012 6:00 am ET

Post Your Comments


Back to story


More stories

Image

Ford moving forward in carbon fiber for 'high volume' use

April 17, 2015 10:21 am ET

Ford Motor Co. has signed a deal with a carbon-fiber manufacturer to jointly explore “high-volume” automotive uses for the lightweight...    More

Image

German auto supplier opening first US plant

April 17, 2015 11:00 am ET

Automotive supplier EuWe Eugen Wexler U.S. Plastics Inc. is investing $11.1 million to open a manufacturing facility in Anderson County, S.C., the...    More

Image

Zoltek expanding CF capacity in Europe

April 17, 2015 10:12 am ET

Leading carbon fiber group Zoltek Corp. has signed a strategic agreement with the Hungarian government to expand its operation in northern Hungary,...    More

Image

Spain's Grupo Antolin to buy Magna's interiors business

April 16, 2015 12:33 pm ET

Spain's Grupo Antolin has reached an agreement to purchase Canadian auto supply giant Magna International Inc.'s interiors unit in a deal valued at...    More

Image

Hanwha Azdel adds capacity in Lynchburg

April 16, 2015 2:01 pm ET

Composite maker Hanwha Azdel Inc. will add space and a new production line at its Lynchburg, Va., production facility, the company announced April 16.    More

Market Reports

Plastics Recycling Trends in North America

This report is a review and analysis of the North American Plastics Recycling Industry, including key trends and statistics based on 2013 performance. We examine market environment factors, regulatory issues, industry challenges, key drivers and emerging trends in post-consumer and post-industrial recycling.

Learn more

Injection Molding Market Analysis & Processor Rankings

Plastics News BUNDLED package contains our in-depth Market Analysis of the Injection Molding segment. You will gain keen insight on current trends and our economic outlook.

As a BONUS this includes PN's updated 2014 database of North American Injection Molders RANKED by sales volume. Sort, merge, mail & prospect by end market, materials processed, region, # of plants and more.

Learn more

Plastics Caps & Closures Market Report

The annual recap of top trends and future outlook for the plastics caps & closures market features interviews with industry thought leaders and Bill Wood’s economic forecast of trends in growing end markets. You will also gain insight on trends in caps design, materials, machinery, molds & tooling and reviews of mergers & acquisitions.

Learn more

Upcoming Plastics News Events

June 2, 2015 - June 3, 2015Plastics Financial Summit - Chicago 2015

September 15, 2015 - September 17, 2015Plastics Caps & Closures - September 2015

More Events