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Flexible wax and method of making same

A flexible and wax composition technology, which is applied in the direction of candle preparation equipment, fatty acid preparation/refining, wax coating, etc., can solve the problems of expensive and scarce, and achieve the effects of fast cooling, increased flexibility and crack resistance

Pending Publication Date: 2020-08-25
CARGILL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although beeswax is still useful in modern times, it is becoming more expensive and scarce

Method used

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  • Flexible wax and method of making same
  • Flexible wax and method of making same
  • Flexible wax and method of making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0133]The following chemical transesterification method was performed to prepare samples 405-3, 405D, 405E, 405F, 1120-1 and 607-1 in the figure. All fatty acids (including dimers) or oils described in Table 2 were pre-melted and heated to 70°C before adding to the reaction vessel. The melted fatty acid or oil is then added to the reaction vessel and a nitrogen sparge is started to prevent oxidation of the product during the reaction. Then add the glycerin and turn on the mixer to mix the contents. Caustic catalyst (potassium hydroxide (KOH) or calcium hydroxide (Ca(OH) 2 )). Once all ingredients are added and mixed well, the temperature is raised to 200°C to 250°C. The reaction temperature was varied to determine the effect of reaction time on product properties. The reaction temperature is maintained until an acid number of 1.5 or less is reached. 0.2% acid (85% strength phosphoric acid) was added to neutralize the catalyst in slight excess. The mixture was cooled to 7...

Embodiment 2

[0135] The following enzymatic transesterification method was performed to prepare sample 405Lipo. All fatty acids or oils described in Table 2 were pre-melted and heated to 70°C before adding to the reaction vessel. The melted fatty acid or oil is then added to the reaction vessel and a nitrogen sparge is started to prevent oxidation of the product during the reaction. Then add the glycerin and turn on the mixer to mix the contents. 2% of the enzyme catalyst, lipase Novozyme 435, was added to the reaction. As the reaction progressed, a vacuum of 50 Torr was applied to the sample to remove all water. A temperature of 70°C was maintained until an acid number of 1.5 or less was reached. Filter off the enzyme catalyst using a Buchner funnel and filter paper.

[0136] Table 2

[0137]

[0138] table 3

[0139]

[0140] Table 2 provides the formulations for each sample. With the exception of 405F, all samples in Table 2 had dimers present in the formulation and are...

Embodiment 3

[0153] Several wax compositions were heated and cooled while monitoring their internal temperatures. The wax compositions tested were S-130 wax (conventional partially hydrogenated soy wax), conventional paraffin, a blend of S-130 and paraffin, and Example 405-3. Cooling is measured over a period of approximately six hours.

[0154] Such as image 3 As shown, conventional soy wax has a rapid initial cooling rate, but then shows a significant warming after about 45 minutes of cooling. Regular paraffin showed the slowest cooling rate. The blend of conventional soy wax and conventional paraffin wax showed a slow cooling rate, but also a cooling rate that flattened out over a period of 30 minutes to 3 hours. In contrast, Example 405-3 exhibited a rapid cooling rate with a rate comparable to that of the S-130 wax, but it did not undergo the ramp-up period exhibited by the S-130 wax.

[0155] The temperature spikes produced by conventional soy wax disrupt and adversely affect th...

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Abstract

The disclosure relates to flexible wax compositions and a method of making the same. Described herein is a wax composition containing about 20 wt% to about 45 wt% monoacylglycerides, about 28 wt% to about 40 wt% diacylglycerides, and about 10 wt% to about 45 wt% acylglyceride polymers, which contain one or more dimerized fatty acid residue and a plurality of glycerol moieties. The flexible wax composition described herein has an average creep stiffness of less than about 30 MPa and can be used in candles, paper coatings, box coatings, fruit coatings, broadsizing for OSB, tire and rubber, polyvinyl chloride piping, crayons, and personal care applications.

Description

[0001] Cross references to related patent applications [0002] This application claims the benefit of priority to U.S. Provisional Application Serial No. 62 / 617,378, filed January 15, 2018, which is hereby incorporated by reference in its entirety. technical field [0003] The present application relates to natural oil-based wax compositions and methods for their preparation. Background technique [0004] Beeswax is a naturally occurring wax that has been used since prehistoric times. Although beeswax is still useful in modern times, it has become increasingly expensive and scarce. The advent of paraffin wax in the 19th century, along with the development of petroleum refining, provided an abundant and low-cost alternative to beeswax. Today, paraffin is the main industrial wax used in the manufacture of candles and other wax-based products. [0005] Conventional candles produced from paraffin wax typically emit smoke, particles and odors when burned. Candles with a redu...

Claims

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Application Information

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IPC IPC(8): C08L91/02C08L91/06C11C5/02
CPCC08L91/02C08L91/06C11C5/02C09D191/06C11C5/002A23L33/12A23V2002/00A61K8/92A61K2800/10A61Q19/00B60C1/00C08L2201/06C11C1/045C11C3/02C11C3/10
Inventor 托德·L·库斯玛丽亚·伊丽莎白·林达尔蒂莫西·艾伦·墨菲克里斯多夫·帕特里克·斯蒂弗莫尔
Owner CARGILL INC
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