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Light protective bottle design

A photosensitive, packaging technology, used in containers to prevent rot, packaged food, packaged milk, etc., can solve problems such as expensive

Pending Publication Date: 2018-02-27
THE CHEMOURS CO FC LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While it is possible to overcome design challenges to allow for reduced resin usage in the package, redesigning the bottle shape is costly as the systems and processes used to manufacture and process the bottle may need to be reconfigured for such changes

Method used

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  • Light protective bottle design

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Bottles were prepared using the extrusion blow molding method using a Uniloy 250 R1 machine. Standard operations and setups for processing HDPE rigid packaging were used with the dies described below.

[0071] Die: MA 1002-80 plated

[0072] Arbor: MA 1002-9

[0073] Mold: Container MA-8552

[0074] In this process, a single screw extruder with a 24:1 L / D ratio comprised four sections with the following temperature settings:

[0075] - Feed section: 325°F

[0076] - Conveying section: 360°F

[0077] - Additive metering section 340°F

[0078] - Bottom: 340°F

[0079] Treated TiO pre-blended with HDPE resin (Ineos A60-70-162 PE) at desired ratio 2 The extruder feed rate of masterbatch is 4.6 (lbs / min), wherein TiO 2 According to the teachings of US Pat. No. 5,562,990, there is an inorganic surface modification using alumina hydrate, fluoride ions, and organosilicon compounds. The parisons were inflated with 120 PSIG system air, the blow pressure was 80 PSIG, and ...

Embodiment 2

[0085]The mechanical properties of representative bottles of bottle conditions 1 and 2 described in Example 1 were further evaluated by drop testing. The drop test is a pass / fail test to determine the mechanical integrity of blow molded bottles which involves dropping a bottle containing a liquid from a preset height and observing that it does not lose its integrity as a liquid container after the impact of the drop sex. The drop test was performed from a height of 24", where the drop height was measured from the base of the bottle. The drop test was performed outdoors (~10C) on a dry flat concrete surface. A sleeve was used to guide the bottle straight and in a consistent manner For the drop test, place the bottle in the sleeve and support the bottle from the bottom with your hand, then release the supporting hand to drop the bottle.

[0086] Evaluations were made within a few hours of bottle preparation, but after the bottles had reached ambient temperature. Multiple (3 to...

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Abstract

A new light protective package including a monolayer which includes treated TiO2 particles at high concentration levels of 6 wt% or higher of the monolayer, more preferably greater than 7 wt% of the monolayer, even more preferably greater than 8 wt. % of the monolayer, wherein the monolayer protects the food within the package from both light and physical damage. The monolayer has superior light protection properties while maintaining mechanical properties. The monolayer has a light protection factor (LPF) value of greater than 25, preferably greater than 30, more preferably greater than 40 oreven more preferably greater than 50. The treated TiO2 material can be dispersed and processed in package production processes by use of incorporation with a masterbatch, and preferably processed into a package using blow molding methods.

Description

Background technique [0001] Certain compounds and nutrients contained in packages can be negatively affected by exposure to light. As a result of direct or indirect exposure to light, molecular species can undergo many different chemical and physical changes, which can be collectively referred to as photochemical processes. As described by Atkins, photochemical processes can include initial absorption, physical processes such as fluorescence, collision-induced luminescence, stimulated luminescence, intersystem crossing, phosphorescence, internal conversion, singlet electron energy transfer, energy pooling, triplet electron energy transfer, triplet-triplet absorption), ionization (such as Penning ionization, dissociation ionization, impact ionization, binding ionization), or chemical process (such as dissociation or degradation, addition or insertion, abstraction or fragmentation, Isomerization, dissociation excitation) (Atkins, P.W.; Table 26.1 Photochemical Processes. Physic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K9/08C08K9/06B65D81/30B65D85/80
CPCB65D81/30B65D85/80C08K9/06C08K9/08C08L23/06B32B27/32B65D85/30C08K3/22B32B2307/40B32B2439/00C08K2003/2241C08K2003/2227C08L2207/062B29C49/0005B29K2023/065B29K2509/02B29L2031/7158C08K5/5419C08K9/02C08K2201/019
Inventor C.M.斯坦奇克P.M.尼登祖J.D.小康诺利
Owner THE CHEMOURS CO FC LLC
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