JP2019531110A - High heat resistant fragrance composition - Google Patents

Abstract

The present invention relates to a fragrance composition comprising microcrystalline wax. In particular, since the fragrance composition according to the present invention is stable and excellent in fragrance even at a high temperature, it exhibits excellent fragrance even in a space where the temperature is likely to rise, such as an automobile or a closet.

Description

  The present invention relates to a fragrance composition that is stable at high temperatures.

  This application claims priority based on Korean Patent Application No. 10-016-0101967 filed on August 10, 2016, and all the contents disclosed in the specification and drawings of the corresponding application are incorporated in this application. The

  Various researches have been repeated in response to requests to release various scents in residential spaces and limited indoor spaces. Many studies have proposed effective transmission methods such as liquid type, gel type, wax type, electric type, membrane type, etc. It was not enough. A diffuser is a typical form of a liquid type fragrance, and is a form in which contents are volatilized through a porous lead, but there is a limit that the aroma characteristics change as time passes.

  In addition, depending on the solvent used, the scent characteristics change, and there is a limit in transmitting the sensibility inherent to the scent. Typical electric types include plug-ins and automatic injection. In the case of a plug-in, there is a limitation in space such as a bathroom with much moisture, and there is a disadvantage that the scent gradually changes when the contents containing the scent are heated by electricity. In the case of the automatic injection type, when the scent filled in the can is dispersed in the space in the form of an aerosol, there is a limit to upgrading the sensibility due to noise and a strong strong scent. In the case of membrane fragrances and wax-type fragrances, it is necessary to improve problems such as leakage in the vehicle, explosion due to vehicle temperature in the summer, and melt flow.

  In fragrances, the biggest constraint on the development of a stable scent is the fragrance due to external temperature changes, the scent change, and the inherent scent change by the base including the solvent designed to transmit the scent. is there.

  Therefore, there is a need for research on fragrances that can stably emit fragrances without deformation or melting flow even at high temperatures without impairing the inherent fragrance.

  The problem to be solved by the present invention is to provide a fragrance composition capable of stably emitting fragrance from a fragrance without being deformed or melted even at a high temperature.

  To achieve the above object, the present invention provides a fragrance composition comprising a microcrystalline wax and having a melting point of 90 to 125 ° C.

  In the present invention, the melting point may be 90 to 125 ° C, desirably 93 to 120 ° C, and more desirably 95 to 115 ° C.

  The present inventors have completed the present invention by confirming that the fragrance composition according to the present invention does not leak or melt even at a high temperature, and are stable at a high temperature while containing a fragrance containing a large amount of scent components. The present invention was completed by experimentally confirming the effect of excellent fragrance.

  The present invention will be described in detail below. Terms and words used in this specification and claims should not be construed to be limited to ordinary or lexicographic meanings, and the inventor himself used the terminology concepts to best explain the invention. In accordance with the principle that it can be properly defined, it must be interpreted in the meaning and concept corresponding to the technical idea of the present invention.

  The fragrance composition according to the present invention contains microcrystalline wax, and exhibits an excellent effect when the melting point of the composition is 90 to 125 ° C. Desirably, the composition according to the invention may further comprise natural wax and / or paraffin wax. The inventors of the present invention have experimentally confirmed that when a fragrance composition having a melting point of 90 to 125 ° C. and containing a microcrystalline wax is obtained, an excellent effect is achieved. It was experimentally confirmed that when a paraffin wax was further included, a further remarkable effect was exhibited.

In the present invention, the “microcrystalline wax” is a wax having a predetermined crystallinity and a strong hardness, and obtained by refining and separating the residual asphalt remaining after refining crude oil, C ₂₅ -C _80, preferably a molecular weight from 300 to 1,500 of _C 31 _{-C 70,} preferably a molecular weight 400 to 1200, more preferably a hydrocarbon mixture composed mainly of isoparaffin molecular weight from 450 to 1,000.

  The microcrystalline wax that can be used in the present invention is a commercially available microcrystalline wax, such as, for example, the trade name Multiwax W-445 (Sonneborn), Hiwax 400P, Wax 410P (Mitsui Chemicals), Kahl Wax, etc. can be used, but are not limited thereto.

  Microcrystalline wax contains a large amount of branched hydrocarbon, generally melted at a higher temperature than paraffin wax, and has high hardness and adhesiveness (adhesiveness). Has opposite physical properties. In addition, it has a higher oil absorption capacity than paraffin wax, which is advantageous for impregnation of fragrances, and has a different purification method.

  In the present invention, the microcrystalline wax is contained in an amount of 10 to 90% by weight, preferably 20 to 85% by weight, and more preferably 30 to 80% by weight based on the total weight of the composition.

  In the present invention, the “natural wax” includes all animal natural waxes and vegetable natural waxes. Examples of the animal natural wax include, but are not limited to, beeswax, wool wax, wax obtained from whales, shellac obtained from insects, and the like. The plant natural wax includes, but is not limited to, soy wax, carnauba wax, candelilla wax, and the like.

  The natural wax includes not only natural wax collected directly from nature but also all commercially available natural wax.

  The term “bees wax” as used herein is also referred to as, but not limited to, beeswax, for example, a natural biochemical process by enzymatic action of sugars collected by bees from flowers. It is a yellow substance that is produced in the body through the body and secreted from the lower abdominal secretory glands of worker bees, and the substance that constitutes the honeycomb can be used. The beeswax used in the composition according to the present invention can be desirably used after being filtered through a filter to remove impurities.

In the present invention, the bead wax is 40 to 90% by weight of wax ester, 1 to 30% by weight of free fatty acid, 0.1 to 5% by weight of free alcohol, or two or more of these based on the total weight of the bead wax. Preferably a mixture of wax esters of 62 to 75% by weight, free fatty acids of 5 to 16% by weight, free alcohols of 1 to 2% by weight, or a mixture of two or more thereof. It is more desirable to include. In addition, it may contain 10 to 20% by weight of C _{20 to} C ₄₀ hydrocarbons or 2 to 5% by weight of glycerides (C ₁₄ , C ₁₆ or C ₁₈ ).

In the present invention, the paraffin wax is refined by removing oil components such as lubricating oil from crude wax containing crude oil components having a high boiling point in crude oil and having a molecular structure. Above, a linear hydrocarbon, generally an alkyne (alkane) hydrocarbon represented by the chemical formula of C _n H _{2n + 2} (n ≧ 19), and a hydrocarbon composed of 20 to 40 carbon molecules A mixture of molecules.

  The paraffin wax may have a melting point of 40-90 ° C. In the present invention, the paraffin wax can be classified into a high melting point paraffin wax and a low melting point paraffin wax, and the high melting point paraffin wax means a paraffin wax having a melting point of 60 to 90 ° C., preferably 65 to 85 ° C. To do. The low melting point paraffin wax means a paraffin wax having a melting point of 40 to 60 ° C, preferably 45 to 55 ° C.

  Desirably, the composition according to the present invention may further include natural wax and / or paraffin wax in addition to the microcrystalline wax, wherein the natural wax and / or paraffin wax is based on the total weight of the composition. It may be included at 1 to 20% by weight, desirably 5 to 15% by weight.

  The present inventors have experimentally confirmed that a natural wax and / or paraffin wax is further included in the composition in addition to the microcrystalline wax, thereby exhibiting a more excellent effect. That is, the present invention provides not only a microcrystalline wax but also a natural wax and / or a paraffin wax, thereby providing a fragrance composition that is excellent in fragrance and stable even at high temperatures.

  Moreover, the fragrance | flavor composition by this invention can contain a fragrance | flavor. In the present invention, the fragrances can be used not only in fragrance products such as general fragrances and deodorants, but also in washing products such as shampoos and body soaps, laundry products such as detergents and softeners, and cosmetics such as perfumes. However, it is not limited to these.

  In the present invention, the fragrance is included in the wax structure to form a stable composition. The stable composition of the present invention provides a sensation quality of a good fragrance, and provides a fresh feeling by continuously supplying the incense incense while maintaining a stable form in a sealed space. In the present invention, it is desirable that the fragrance provides a durable fragrance.

  In the present invention, the fragrance may be included in an amount of 1 to 50% by weight, preferably 5 to 40% by weight, and more preferably 10 to 30% by weight based on the total weight of the composition. .

  In the present invention, a fragrance can be added to eliminate the off-flavor and keep the scent on the surface longer. The composition according to the present invention can use any ordinary fragrance, and as the fragrance component, any of a hydrophobicity or a hydrophilicity can be used.

  Moreover, the said fragrance | flavor can express hydrophobicity by logP which is the log value of an octanol / water partition coefficient, and it can be said that hydrophobicity is so large that a value is large. At this time, the greater the hydrophobicity, the better the remaining fragrance. Usually, as a fragrance for a fragrance, a low hydrophobic fragrance is preferred over a highly hydrophobic fragrance in order to improve the fragrance, but the scent devised by a low hydrophobic fragrance is not maintained constant, A highly hydrophobic fragrance has a disadvantage of low fragrance.

  LogP, which is the log value of the octanol / water partition coefficient, can be calculated as expressed by the following formula 1.

  The hydrophobicity criterion of the fragrance used in the present invention is log P = 3. That is, the present inventors have confirmed that when the fragrance has a log P value of about 3 or more, desirably about 3.1 or more, and most desirably about 3.2 or more, desirable residual scent characteristics appear.

  Also, in order to make the fragrance last longer, the fragrance must have at least partial hydrophobicity and a relatively high boiling point. That is, the fragrance may have an octanol / water partition coefficient log value of 3-8 and a boiling point of 200-500 ° C, an octanol / water partition coefficient log value of 3.2-8, and a boiling point of 220-500 ° C. It is desirable that

  The nature of the fragrance component is diverse in isomers and has a great influence on the substances present in the vicinity, so it is difficult to clearly distinguish it by numerical values such as logP, which is a physical property. Therefore, the above numerical values are approximate values for indicating the properties of the fragrance, and the numerical ranges should be interpreted flexibly.

  The hydrophobic fragrance may be included in an amount of 5 to 80% by weight, preferably 10 to 60% by weight, and more preferably 15 to 50% by weight based on the total weight of the fragrance.

  Table 1 below shows the molecular weight, boiling point, log P value for some of the various fragrances that can be used in the present invention, and the remaining fragrance after 3 hours at 90 ° C. when included in the fragrance composition according to the present invention. It is the table | surface which showed the result of having evaluated the grade.

  That is, the perfume that can be used in the present invention is not limited to these. Mine (Cinnamyl cinnamate), Ethylene brushate (Ethylene brasylate), Galaxolide (Galaxolide), Helvetolide (Helvetolide), Hexadecanolide (Hexadenolide), Hexyl Salicylate (Hexyl E) Mystate (Isopropyl myrista) e), methyl dihydrojasmonate, phenylethylphenylacetate, romandolide, tonalid, trisamber or a mixture of two or more thereof. .

  Desirably, the composition according to the present invention may further comprise a polymer, which can increase the residual scent of the additional scent to improve usability.

  Therefore, the polymer is preferably an oil-absorbing polymer as a nonionic polymer. That is, the polymer may be a nonionic oil-absorbing polymer, and includes, but is not limited to, for example, polyethylene glycol, a copolymer of polyoxyethylene and polyoxypropylene, and the like. , Poloxamer, Pluronics and the like.

  The polymer may be included in an amount of 0.01 to 20% by weight, preferably 0.05 to 15% by weight, and more preferably 0.1 to 10% by weight based on the total weight of the composition. .

  Desirably, the composition according to the present invention may further comprise a surfactant. The surfactant helps to mix the wax and fragrance, prevents cracks caused by non-uniform distribution of the fragrance in the wax due to the fragrance spreading during use, and increases the remaining fragrance and has excellent usability Can be given.

  The surfactant may be included in an amount of 0.5 to 15% by weight, preferably 1 to 10% by weight, and more preferably 2 to 7% by weight based on the total weight of the composition.

  Moreover, this invention provides the fragrance | flavor containing the said composition.

  The fragrance is not limited by its form, but may be a solid type.

  Since the fragrance composition according to the present invention is stable even at high temperatures and has excellent fragrance properties, it exhibits excellent fragrance properties even in a space where the temperature is likely to rise, such as automobiles and closets.

  Hereinafter, the present invention will be specifically described with reference to examples. However, the embodiments according to the present invention can be modified in many other forms, and the scope of the present invention should not be construed to be limited to the embodiments described later. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art.

Production of Examples and Comparative Examples The present inventors produced fragrance compositions having the compositions shown in Table 3 below using the fragrances shown in Table 2 below.

  Since the fragrance composition according to the present invention comprises paraffin wax, microcrystalline wax, fragrance and other components, the fragrance is stably dispersed in the high melting point wax and molded in the process of producing the fragrance composition. It is important to maintain the composition within the cooling process. In order to maintain the scent of the high melting point wax, it must first be blended and melted according to the properties of the wax, and after the scent is added, the scent is evenly dispersed in the wax and molded and hardened without bending or cracking. Throughout the process, it was possible to maintain a composition that worked effectively within the composition.

  Since the fragrance composition according to the present invention comprises a paraffin wax, a microcrystalline wax, a fragrance and other components, in the production process of the present composition, a fragrance is stably dispersed in a high melting point wax, and molding and It is important to maintain within the composition during the cooling process. In order to maintain the scent of the high melting point wax, it must first be blended and melted according to the characteristics of the wax, and after the scent is added, the scent is uniformly dispersed in the wax and molded and hardened without warping or cracking Through this, it was possible to maintain a composition that functions effectively within the composition.

  In the comparative examples and examples of the present invention, the wax is obtained by using commercially available raw materials, but can be replaced by raw materials having similar properties at the same level. As the wax used in the comparative example, soy wax and bead wax, which are natural waxes most frequently used for general candles, were used. In addition, paraffin wax, which is a petroleum wax widely used in candle production, was used. The melting point of a general paraffin wax is 47 ° C. to 60 ° C., but in the present invention, the paraffin wax is classified into a low melting point and a high melting point according to the melting point, and a melting point of about 50 ° C. is defined as a low melting point paraffin wax. The thing around 70 degreeC was used as a high melting point paraffin wax.

  In the present invention, microcrystalline wax increases the melting point of the wax, solidifies the properties of the dosage form, and affects the degree of impregnation of the scent. In the case of multi-wax, W-445 wax having a melting point of 82 ° C. was used among the waxes manufactured by Sonneborn. In addition, high wax 410P with a melting point of 125 ° C. and high wax 400P with 115 ° C. made by Mitsui Chemicals were used together to complete the invention.

  In the present invention, polymers and surfactants were further used to complete the dosage forms of the comparative examples and examples.

Experimental Example 1: High temperature evaluation In order to evaluate the high temperature of the fragrance composition according to the present invention, the inventors left it in a high temperature oven at 90 ° C for 3 hours to determine whether it melted or warped. The strength of the fragrance was set to 5 points, and after 3 hours it was cooled to room temperature, and then the fragrance strength was evaluated from 1 to 5 points to evaluate the relative residual fragrance. The evaluation criteria were as shown in Table 4 below based on the normal temperature standard products.

  Comparative Examples 1 to 3 are blends of waxes that are generally used in scented candles. As a result of evaluating at high temperatures for Comparative Examples 1 to 3, it was confirmed that all melt flows were generated, and the extent of melt flow was improved as the amount of petroleum-based high melting point paraffin wax increased. It was judged that this was caused by containing a large amount of low melting point wax such as soy wax, and Comparative Example 2 to which high melting point paraffin wax was applied maintained a more stable state than Comparative Example 1. The warp or melt flow phenomenon appeared more severely than the comparative example 3 which was used a lot.

  In Examples 1 to 3 to which a high melting point microcrystalline wax was applied, it was confirmed that the higher the melting point, the better the high temperature stability. However, in the case of Example 1 to which a multi-wax having a low melting point was applied, it was confirmed that deformation occurred at 90 ° C. over time. Moreover, Example 2 and Example 3 which applied the wax whose melting | fusing point was 110 degreeC or more had the surface cracked or crushed with time at high temperature, and the external appearance was not favorable. This was determined to be because the penetration rate of the liquid scent is low in the case of a wax having a high melting point.

  Example 4 and Example 5 show better results in surface cracking and stability over time when mixed with various microcrystalline waxes. In particular, as in Example 5, wax having a high melting point. When a large amount of was used, it was confirmed that the quality of appearance was better than the content of the same fragrance.

  In Examples 6 and 7, in addition to natural wax known to have miscibility with fragrance, when petroleum-based wax is mixed, appearance such as cracking, crushing, warping, etc. is more than when using only microcrystalline wax. It was confirmed that it was superior in terms of maintenance, and the fragrance characteristics were even better. In addition, it was investigated that the smoothness of the surface was the best when soy wax excellent in compatibility with the fragrance was applied. In terms of fragrance characteristics, it was confirmed that when a wax excellent in fragrance compatibility was mixed, the phenomenon of fragrance exuding in long-term room temperature odor evaluation was reduced.

  When the residual scent intensity was evaluated after 3 hours at a high temperature of 90 ° C., it was found that the residual fragrance was also good at the same time when the form was maintained well like the appearance quality. The results are shown in Table 5 below.

Experimental Example 2: space onset incense Evaluation present inventors, in order to evaluate the space onset incense of Examples and Comparative Examples according to the present invention, as naturally odoriferous the space of 4.5 m ³ 1 After standing at room temperature for 7 days, the strength of the fragrance drifting in the space was evaluated by a 5-point evaluation method.

  There were a total of 10 evaluators who conducted pre-education for clear recognition. The evaluation was performed one by one in a single evaluation booth equipped with forced ventilation equipment, and three or more evaluations were limited at a time in order to improve the accuracy of the evaluation.

  Table 6 below shows the criteria for evaluating the fragrance in the space.

  The results are shown in Table 7 below. The result was similar to the scent intensity in the high temperature aging evaluation, and it was confirmed that the degree of decrease was good also in the case of the scent after 7 days.

  That is, the present inventors have confirmed that, when 3 hours have passed at a high temperature of 90 ° C., the less the change in perfume with room temperature over time, the less the cracking or crushing is maintained while maintaining stable appearance quality.

Claims (7)

  A fragrance composition comprising a microcrystalline wax and having a melting point of 90 to 125 ° C.   The fragrance composition according to claim 1, wherein the composition further comprises natural wax and / or paraffin wax.   The fragrance composition according to claim 1, wherein the composition contains 1 to 50% by weight of a fragrance based on the total weight of the composition.   The fragrance comprises a fragrance having an octanol / water partition coefficient log value of 3 to 8 and a boiling point of 200 to 500 ° C in an amount of 5 to 80% by weight based on the total weight of the fragrance. The fragrance composition described.   The fragrance composition according to claim 1, wherein the microcrystalline wax is included in an amount of 10 to 90% by weight based on the total weight of the composition.   The fragrance composition according to claim 2, wherein the paraffin wax has a melting point of 40 to 90 ° C.   The fragrance | flavor containing the composition as described in any one of Claims 1-6.