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Roll-to-roll slot die coating method to create interleaving multi-layered films with chemical slurry coatings

Patent ·
OSTI ID:1925116
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An improved method for manufacturing a continuous self-healing barrier film is provided. The method includes slot-die coating opposing sides of a separator substrate with a curing agent slurry and a curable resin slurry using a single-sided coating line or a tandem coating line. The method also includes sequentially interleaving inner and outer protective layers via a continuous roll-to-roll process to create a multi-layered barrier film. The barrier film can optionally be formed into a barrier envelope, and an insulating core material can be inserted into the barrier envelope to define an enclosure. Evacuating and sealing the enclosure along a perimeter of the barrier envelop forms a self-healing vacuum insulation panel with excellent properties for use as a building material and in refrigeration systems, for example. The barrier film can alternatively be used in the manufacture of tires, roofing, cargo containers, food packaging, and pharmaceutical packaging, for example.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725;
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
11,446,915
Application Number:
16/895,006
OSTI ID:
1925116
Country of Publication:
United States
Language:
English

References (8)

Roll-to-Roll Coating Technology and Its Applications: A Review journal April 2016
Fifteen chemistries for autonomous external self-healing polymers and composites journal October 2015
Self-healing polymeric materials based on microencapsulated healing agents: From design to preparation journal October 2015
Hints for an additional aging factor regarding the thermal performance of vacuum insulation panels with pyrogenic silica core journal February 2014
Rapid, Puncture-Initiated Healing via Oxygen-Mediated Polymerization journal July 2015
FG/FxFG as well as GLFG repeats form a selective permeability barrier with self-healing properties journal August 2009
Humidity-triggered self-healing films with excellent oxygen barrier performance journal January 2014
2016 Building Technologies Office Peer Review Report report December 2016

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