Pearlescent container

Patent metadata

Field	Value
Publication number	US-9676135-B2
Application number	US-201414480659-A
Country	US
Kind code	B2
Filing date	Sep 9, 2014
Priority date	Nov 11, 2010
Publication date	Jun 13, 2017
Grant date	Jun 13, 2017

Abstract

A pearlescent container comprising about 86% to about 99.99% of a thermoplastic material having a Total Luminous Transmittance value of at least about 80%, about 0.01% to about 5% of a siloxane fluid having a viscosity of no greater than about 1,000,000 cst, wherein said thermoplastic material and said siloxane fluid are immiscible, forms a lamellar structure, and have a Refractive Index difference of at least about 0.1.

First claim

What is claimed is:

1. A process for making a pearlescent container, comprising the steps of:
a) providing a perform or parison for making a pearlescent container, the perform or parison comprising:
a) about 86% to about 99.99%, by weight of the container, of a thermoplastic material having a Total Luminous Transmittance value of at least about 80%,
b) about 0.01% to about 5%, by weight of the container, of a siloxane fluid having a viscosity of no greater than about 1,000,000 cst, wherein said thermoplastic material and said siloxane fluid are immiscible
and have a Refractive Index difference of at least about 0.1, and wherein the intermediate product form is a preform or a parison;

b) processing the intermediate product form by blow molding to form the pearlescent container.

2. The process according to claim 1 , wherein the step of providing a perform or parison consists of providing a preform, and said preform is processed by stretch blow molding to form the pearlescent container.

3. The process according to claim 2 , wherein the stretch blow molding has a stretch ratio of about 6:1.

Assignees

• Procter & Gamble

Inventors

• Wang Ping
• Yang Liang
• Mcdaniel John Andrew
• Debelder Gian Armand Juliana
• Wang Gaoyang

Classifications

• B29C49/0005 Primary

  characterised by the material · CPC title

• B29L2031/712

  Containers; Packaging elements or accessories, Packages (closures therefor B29L2031/56; ink or toner cartridges B29L2031/7678; squeeze tubes B29L2023/20; suitcases B29L2031/7418) · CPC title

• Y10T428/1397

  Single layer [continuous layer] · CPC title

• Y10T428/1314

  Contains fabric, fiber particle, or filament made of glass, ceramic, or sintered, fused, fired, or calcined metal oxide, or metal carbide or other inorganic compound [e.g., fiber glass, mineral fiber, sand, etc.] · CPC title

• B29K2023/0633

  LDPE, i.e. low density polyethylene · CPC title